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HJ 2044-2014

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Standard ID HJ 2044-2014 (HJ2044-2014)
Description (Translated English) Technical specifications of wastewater treatment for fermentative pharmaceutical industry
Sector / Industry Environmental Protection Industry Standard
Word Count Estimation 24,256
Date of Issue 2014/10/24
Date of Implementation 2015/1/1
Drafting Organization China Environmental Science Society
Administrative Organization Ministry of Environmental Protection
Regulation (derived from) Ministry of Environmental Protection notice 2014 No. 67

HJ 2044-2014
Technical specifications of wastewater treatment for fermentative pharmaceutical industry
People's Republic of China National Environmental Protection Standards
Fermentative pharmaceutical Wastewater Treatment Project Technical Specifications
Technical specifications of wastewater treatment for fermentative
pharmaceutical industry
Issued on.2014-10-24
2015-1-1 implementation
Issued by the Ministry of Environmental Protection
Table of Contents
Preface ..I
1 Scope ..2
2 Normative references ..2
3 Terms and definitions .5
4 ..5 pollution load
5 ..7 general requirements
6 Wastewater Treatment Process Design .8
7 main process equipment and materials .14
8 detection and process control 15
9 structures and ancillary works ..15
10 labor safety and occupational health ..16
11 construction and acceptance .17
Operation and maintenance 12 18
To implement the "People's Republic of China Environmental Protection Law" and "People's Republic of China Water Pollution Prevention Law"
The implementation of "fermentative pharmaceutical industrial water pollutant discharge standards" to regulate the fermentative pharmaceutical wastewater treatment project
Construction and operation of facilities, improving environmental quality, the development of this standard.
This standard of fermentative pharmaceutical wastewater treatment project design, construction, inspection and operation management of a
skills requirement.
This standard is a guiding standard.
This standard is the first release.
This standard is developed by the Ministry of Environmental Protection Science, Technology organization.
This standard drafting units. China Environmental Science Society, South Jiangsu Environmental Protection Technology Co., river
Northern Provincial Academy of Environmental Sciences, Zhejiang Environmental Protection Science Design Institute, Shandong Shengli Biological Engineering Co.,
the company.
This standard is approved by the Ministry of Environmental Protection October 24, 2014.
This standard since January 1, 2015 implementation.
The standard explanation by the Ministry of Environmental Protection.
Fermentative pharmaceutical Wastewater Treatment Project Technical Specifications
1 Scope
This standard specifies the technical requirements of fermentative pharmaceutical wastewater treatment project design, construction, inspection and operation.
This standard applies to fermented-based pharmaceutical wastewater treatment project, as fermentative pharmaceutical environment projects
Impact assessment, environmental protection facilities design and construction, and acceptance of completed construction projects after the completion of operation and management skills
Surgery basis.
2 Normative references
This standard refers to the contents of the following documents or the terms. Where undated references, the latest edition of
To this standard.
GB 3096 acoustic environment quality standards
GB 7251 Low-voltage switchgear and control equipment
GB 12348 industrial enterprises of environmental noise emission standard plant boundary
GB 12801 General requirements for the production process safety and health
GB 14554 standard malodorous emissions
GB 18597 Hazardous Waste Storage Pollution Control Standard
GB 18598 Hazardous Waste Landfill Pollution Control Standard
GB 18599 general industrial solid waste storage and disposal site pollution control standards
GB/T 18920 urban recycling urban miscellaneous water quality
GB 21903 fermentative pharmaceutical industrial water pollutant discharge standards
GB 50009 building structural load specifications
GB 50014 outdoor drainage design specifications
GB 50016 architectural design code for fire protection
GB 50019 Heating, ventilation and air conditioning design
GB 50052 power supply and distribution system design specifications
GB 50053 10kV substation and below design specifications
GB 50054 low voltage power distribution design specifications
GB 50055 Universal power distribution equipment design specifications
GB 50057 Lightning in design
GB 50093 Automation Instrumentation Construction and Quality Acceptance
GB 50168 electric equipment installation engineering construction and acceptance of cable lines
GB 50169 electric equipment installation engineering construction and acceptance of grounding devices
GB 50187 for General graphic design specification
GB 50191 Code for seismic design of structures
GB 50194 engineering construction site for electrical safety norms
GB 50204 Construction Quality Acceptance of Concrete Structure Engineering
GB 50208 Underground Waterproof Engineering Quality Acceptance
GB 50231 mechanical equipment installation construction and acceptance of universal norms
GB 50236 field equipment, industrial pipe welding engineering for construction
GB 50243 Construction Quality Acceptance of Ventilation and Air Conditioning Engineering
GB 50254 electrical low-voltage electrical equipment installation engineering construction and acceptance
GB 50255 electric equipment installation engineering power converter equipment for construction and acceptance
GB 50256 electrical equipment installation engineering construction and acceptance of electric device
GB 50257 electrical equipment installation engineering explosion and fire hazard electrical equipment installation and acceptance
GB 50268 and drainage in construction and acceptance
GB 50275 compressor, fan and pump installation engineering construction and acceptance
Building Construction Quality GB 50303 Electrical Projects
GB 50335 Code for design of wastewater reclamation and reuse
GB 50683-site equipment, industrial pipe welding engineering construction quality acceptance
GB J 22 factories and road design specifications
GB J 87 Industrial Enterprise Noise Control Design Specification
GB J 141 water supply and drainage construction and acceptance of structures
CECS 97 aeration system design procedures
Cold regions sewage activated sludge process design procedures CECS 111
CECS 112 oxidation ditch design procedures
CECS 128 Biological Contact Oxidation Method Design Practice
CECS 162 meter water supply and drainage construction and acceptance of automation and control engineering
HG 20571 chemical companies with safety and health regulations
HJ/T 91 surface water and wastewater monitoring technical specifications
HJ/T 92 water pollutant total emissions monitoring technical specifications
HJ/T 96 pH water quality automatic analyzer technical requirements
HJ/T 101 ammonia water quality automatic analyzer technical requirements
HJ/T 212 pollution-line automatic monitoring (monitoring) system data transmission standards
HJ/T 242 environmental protection product sludge dewatering with belt filter press
HJ/T 245 environmental protection product hanging packing
HJ/T 246 environmental protection product filler suspension
HJ/T 247 environmental protection product vertical shaft mechanical surface aerator
HJ/T 250 environmental protection product Rotary fine grid
HJ/T 251 environmental protection product Roots Blower
HJ/T 252 environmental protection product, the microporous aerator
HJ/T 259 environmental protection product brush aerator
HJ/T 260 environmental protection product blast submersible aerator
HJ/T 262 environmental protection product Screen Rack
HJ/T 263 environmental protection product jet aerator
HJ/T 278 environmental protection product - high-speed single-stage centrifugal blower aeration
HJ/T 280 environmental protection product carousel aerator
HJ/T 281 environmental protection product diffuser aeration
HJ/T 283 environmental protection product and Van filter frame filter
HJ/T 335 environmental protection product with concentrated sludge dewatering machine
HJ/T 354 environmental protection product water sources on-line monitoring system for acceptance of technical specifications
HJ/T 355 environmental protection product water sources on-line monitoring and assessment system operation specifications
HJ/T 369 environmental protection product used in water treatment dosing device
HJ/T 377 environmental protection product chemical oxygen demand (CODcr) Water Quality Online Automatic Monitoring Instrument
HJ 576 Anaerobic - anoxia - aerobic activated sludge wastewater treatment project technical specifications
HJ 577 sequencing batch activated sludge wastewater treatment project technical specifications
HJ 578 oxidation ditch activated sludge wastewater treatment project technical specifications
HJ 579 membrane separation wastewater treatment engineering technical specifications
HJ 2006 sewage coagulation and flocculation process engineering and technical specifications
HJ 2007 flotation sewage treatment project technical specifications
HJ 2008 sewage treatment filtration engineering technical specifications
HJ 2009 biological contact oxidation process of sewage treatment works technical specifications
HJ 2010 film biological wastewater treatment engineering technical specifications
HJ 2013 upflow anaerobic sludge blanket reactor wastewater treatment engineering technical specifications
HJ 2014 biofilter wastewater treatment engineering technical specifications
HJ 2023 anaerobic expanded granular sludge bed reactor wastewater treatment project technical specifications
HJ 2024 completely mixed anaerobic reaction tank Wastewater Treatment Project Technical Specifications
HJ 2025 hazardous waste collection storage and transportation Technical Specifications
NY/T 1220 biogas technical specifications
"Project (Project) final acceptance approach" (Total construction [1990] No. 1215)
"Acceptance of completed construction projects management approach" (SEPA Order No. 13)
"Pollution automatic monitoring and management approach" (SEPA Order No. 28)
"Dangerous chemical safety regulations" (State Council Decree No. 591)
"Outfall standardized remediation technical requirements" (trial) (EM [1996] No. 470)
"The pharmaceutical industry pollution control technology policy" (Ministry of Environmental Protection Bulletin No. 18, 2012)
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1 fermentative pharmaceutical fermentative pharmaceutical
Refers to the production of antibiotics or other ingredients by fermentation method, and then after the separation, purification and refining processes to produce
Process the drug, according to product categories are divided into classes of antibiotics, vitamins, amino acids and other classes.
3.2 fermentative pharmaceutical industry wastewater wastewater of fermentative pharmaceutical industry
It refers to the fermented-based pharmaceutical companies waste generated in the production process, including process water, production of washing drainage,
Power system drainage and sewage, which does not include solvent recovery produced high concentrations of bottoms.
3.3 Pretreatment classification treatment
It refers to create favorable conditions for wastewater treatment, biological treatment to reduce the load on the set of biochemical process technology before.
3.4 biochemical treatment biological treatment
It refers to the use of microbial life activities to remove the organic matter in wastewater, waste water purification process.
3.5 depth treatment advanced treatment
Refers to the removal of the purification process further biological treatment can not completely remove contaminants.
4 pollution load
4.1 Wastewater origin and classification
4.1.1 fermentative pharmaceutical typical production process and wastewater mainly generated links shown in Figure 1.
Culture fermentation extraction and purification filter
Solvent recovery
Fermentation tank flushing water
The solvent to flush water reuse
Solvents Solvents
Waste and waste water waste liquor liquor
Wastewater Process
Figure 1 fermentative pharmaceutical typical production process and wastewater sectors
4.1.2 fermentative pharmaceutical waste including.
a) Process wastewater. extraction or refining process produces waste liquor and waste water, waste liquor such as extraction, refining waste liquor, resin
Regeneration wastewater;
b) Production Flush Drainage. equipment wash water, ground water rinse;
c) power system Drainage. circulating cooling water drainage, water control and drainage;
d) domestic sewage.
4.1.3 high concentration bottoms, waste solvents, waste mycelia residue, genetic engineering drugs during the mother liquor and other "anti-pollution Pharmaceutical Industry
Governance Technology Policy "and the" List of Hazardous Wastes "made in a separate provision of pollutants allowed to enter the wastewater treatment system.
4.2 Water Wastewater
4.2.1 Total comprehensive wastewater plant should be in total wastewater discharge port for the actual measurement to determine, for each production process emissions from a variety of work
Arts and wastewater should be measured one by one wastewater emissions, wastewater emissions measurement shall comply with HJ/T 91 requirements.
4.2.2 waste water can be compared to the same existing production scale, the same raw materials and products, production processes similar fermentative pharmaceutical enterprises
Emissions data is determined. Fermentation class pharmaceutical company representative pharmaceutical wastewater. See Schedule 1.
4.2.3 no measured and analog data can be estimated by the following formula.
Qi = α • β • Q Ti (1)
QY = ΣQi (2)
Qi - the production process displacement (m3/d);
Q - produced water (m3/d), may be determined according to the production quotas of water;
α - according to the calculation of water displacement reduction factor, should production processes and level of drainage facilities in accordance with due
Su determined, and generally 70% to 90%;
β - term water supply process with a moisture percentage can be determined according to the actual material accounting;
QY - the total amount of wastewater generated (m3/d);
Ti - step into the water in/carry-out (m3/d), into a positive, turn out negative.
4.2.4 In the whole plant water use estimates, the amount of waste water should take 80% to 90% of the total water consumption of the plant, according to which the production process and
The actual situation of the region and other adjustments.
4.3 Water Wastewater
4.3.1 fermentative pharmaceutical wastewater The main pollutants fermentation residues and intermediate products, extraction and refining process in a variety of residues are
Solvent and inorganic salts.
4.3.2 appropriate wastewater generated in the production process of each sampling tests, water quality testing should be consistent with HJ/T 91 requirements.
4.3.3 Water Wastewater same analogy existing scale of production, raw materials and similar products, similar production processes fermentative pharmaceutical enterprises
Emissions data is determined.
4.3.4 no measured data and analog, wastewater quality before the production process can be referred to in Schedule 2 and Schedule 3.
5 general requirements
5.1 General provisions
5.1.1 Enterprises should implement national environmental regulations, industrial policy and other relevant provisions, be produced from waste water treatment and disposal
Control the whole process, priority adopt cleaner production technologies, improve resource and energy efficiency, reduce the generation and emission of pollutants.
5.1.2 Wastewater Treatment should be based on the requirements of GB 21903 and the environmental impact assessment approval documents, and follow the "three simultaneous" system,
And production conditions and the overall plan as the basis to co-ordinate existing projects and new (expanded, changed) construction of the relationship.
5.1.3 Enterprises should follow the principle of "decontamination triage, dual processing", according to the type and quality characteristics of wastewater collection and
5.1.4 contains the chemical synthesis processes of fermentation pharmaceutical companies deal with waste generated by chemical synthesis processes take pretreatment measures
Biological treatment to ensure the water quality meets the system requirements.
5.1.5 antibiotics containing active ingredients, biological or ecological risk of toxic wastewater pretreatment alone should meet the corresponding quality requirements
Only after entering the subsequent processing steps.
5.1.6 should improve the environmental risk prevention system, set up an accident pools and other relevant environmental risk prevention facilities, to ensure that state in the accident
Under the wastewater can be sufficiently collected and processed by the effective discharge standards.
5.1.7 The key wastewater treatment facilities should be taken in parallel design, in order to improve the stability and flexibility of the system is running.
5.1.8 anaerobic methane collection process produces, purification, storage and use shall NY/T 1220 design.
5.1.9 should take measures to prevent secondary pollution, odor and solid waste treatment and disposal should conform to "the pharmaceutical industry pollution prevention
Governance Technology Policy "and GB 14554, GB 18597, GB 18598, GB 18599 of the regulations.
5.2 Construction Scale
5.2.1 Construction scale fermentative pharmaceutical wastewater treatment project should be different products, different production processes and yield and the corresponding waste according to
Water quality, water quantity determination, the process can be enlarged according to the size of the water and the amount of pollutants estimates, the amplification factor is generally
1.2 to 1.5.
5.2.2 Construction scale collection and adjustment unit associated with the size of production units should match the highest when the flow calculation.
5.3 project constitutes a
5.3.1 fermentative pharmaceutical wastewater treatment project consists of the main project, aided engineering.
5.3.2 The main works include. collection regulation system, pretreatment system, biological treatment system, advanced treatment systems, sludge treatment
Systems, exhaust gas treatment systems, biogas systems, monitoring and process control.
5.3.3 ancillary works include. electrical, plumbing, fire protection, heating, ventilation, air conditioning, landscaping, office space, workshops and the like.
5.4 General layout
5.4.1 General layout should be consistent with GB 50014, GB 50187 and other standards, and to meet environmental impact assessment approval documents
5.4.2 Wastewater Treatment should be arranged according to the various functions and processing facilities requirements, combined with topography, geology, prevailing wind direction, Pai
Water conditions and other factors from the sensitive area, it is determined after technical and economic comparison.
5.4.3 partition layout should be reasonable, and strive compact and reasonable, easy to civil construction, equipment installation, pipeline connections and maintenance
Maintenance Management.
Vertical Design 5.4.4 processing unit should be done as far as possible earthwork balance, gravity drainage, reduce energy consumption requirements.
5.4.5 Design of the pipeline should be routed beyond repair and emptying facilities.
5.4.6 When the wastewater treatment project stage, which covers the whole process should be reserved for the size of the venue, and overall layout.
Pipeline network and underground structures should be built first.
5.4.7 Wastewater Treatment should be set to produce an auxiliary building, and meet the treatment process and daily management needs, the area should be based on
Wastewater Treatment scale, process technology and management system is determined.
6 Wastewater Treatment Process Design
6.1 General provisions
6.1.1 Before the design process, to deal with water quality, quantity and variation of water to conduct a comprehensive investigation and make the necessary monitoring,
6.1.2 high strength wastewater and special waste should be based on water quality characteristics, provided at the workshop or production site or a wastewater treatment project
Multi-stage pretreatment measures to ensure that the water quality meets the system requirements for biological treatment.
6.1.3 should be based on water quality characteristics of wastewater, conduct a small test or pilot study of treated water whereabouts, emissions standards, and reliable
Degree and economy than after the election to determine the appropriate process route.
6.1.4 Process Selection should be combined with local natural conditions, considering the different regions, different seasons of ambient temperature on microbial Movies
Sound, and targeted to take measures such as insulation or cooling.
6.1.5 Wastewater treatment process should be possible to select a small secondary pollution agents, and improve utilization, reduce drug dosing.
6.2 Overall Process selection
6.2.1 fermentative pharmaceutical wastewater treatment process is generally shown in Figure 2, the typical process shown in Fig. 3 to 5.
Pretreatment biological treatment
High concentration wastewater and
Special pretreatment of wastewater plant
Low concentration waste water
Advanced Treatment
Or reuse
Figure 2 fermentative pharmaceutical wastewater treatment process
Anaerobic Hydrolysis - Aerobic depth treatment
Oxidation \\ Restore refractory wastewater
Aerobic secondary settling tank
Sludge Treatment
Was refluxed
Or reuse
\\ Flotation
Other Wastewater
Evaporation of high salinity wastewater
Coagulating sedimentation
Figure 3 "deep biological pretreatment two combination treatment" Typical treatment process
Processing depth anoxia
Refractory wastewater aerobic secondary settling tank
Was refluxed
Coagulating sedimentation sludge return sludge treatment
Other Wastewater
Or reuse stripping
High ammonia wastewater
Figure 4 "anaerobic pretreatment hypoxia - - aerobic processing depth" Typical treatment process
A depth of aerobic aerobic treatment two secondary settling tanks
Sludge Treatment
Was refluxed
Problem-solving for the degradation of micro-electro
Other flotation wastewater
Anaerobic Hydrolysis
Or reuse
Primary sedimentation tank
Figure 5 "anaerobic pretreatment hypoxia - - two aerobic treatment depth" Typical treatment process
6.2.2 special high strength wastewater and waste water according to the water quality after pretreatment plant to enter Wastewater Treatment.
Special waste a) active ingredients containing antibiotics, biological or ecological toxicity risk, should the relevant department under the single
Only pretreatment;
b) should use high ammonia wastewater stripping, evaporation, stripping, etc. or combination of several processes;
c) refractory organics wastewater should take chemical oxidation, iron-carbon micro-electrolysis, distillation and other pretreatment processes;
d) high concentration organic wastewater should use distillation, physical layers, incineration and other processes;
e) high salinity water desalination and other means should be used evaporation.
6.2.3 For the biological treatment is still unable to meet emission requirements, should be in-depth treatment.
6.3 Collection and adjustment
6.3.1 When the inflow height can not meet the gravity into the subsequent processing structures, should be set up waste water pumping station, pumping stations including pumps,
Sump and water facilities, the process should be designed to comply with the relevant regulatory requirements GB 50014 and the like. Sump hydrogen sulfide should be set online
And combustible gas alarm apparatus, electrical and related equipment by explosion-proof design.
6.3.2 should be set to adjust the pool, and meet the following criteria.
a) adjust the pool should ensure adequate effective volume, volume size gauge graphic method should be adopted in accordance with the amount of waste water and water curves
b) adjusting the front end of the pool should be set fine or ultrafine filtration device grille, detailed parameters refer HJ 2008, GB 50014;
c) adjust the pool should be set submersible propeller or aeration stirring device mixing process, etc., and to take measures to collect and process waste gas
CONSTRUCTION. When setting submersible propeller, mixing power can be 4 W/m3 ~ 8 W/m3; when using aeration mixing process
When aeration rate of not less than 3 m3/(m2 · h).
6.3.3 High salt water, acid and alkali corrosive wastewater wastewater collection pipeline corrosion should be used as much as possible should be taken in the pipeline laying
In plain tube, and set the necessary examination of the mouth and sewage drain holes.
6.4 Pretreatment Process
6.4.1 pretreatment technology and process parameters shall adopt and post-test to determine the technical and economic comparison.
6.4.2 sulfate concentrations greater than 5000 mg/L, can be multi-effect evaporation, etc. pretreated, and into the completely mixed
Sulfate concentration of anaerobic wastewater system should be less than 1500 mg/L, into the upflow anaerobic sludge blanket (UASB) and an expansion particles
Sulfate concentration sludge bed (EGSB) reactor should be less than 1000 mg/L.
6.4.3 solvent content of more than 5% higher than earnings or recycling of organic waste disposal costs, should first use of distillation, physical delamination
Way to recovery.
6.4.4 high ammonia wastewater (ammonia nitrogen (NH3-N) concentrations greater than 500 mg/L) ammonia stripping and other processes may be pretreated, and
Ammonia gas to be collected and treated.
6.4.5 contains large amounts of refractory organics wastewater should take chemical oxidation (ozone oxidation, oxidation with chlorine dioxide, Fenton
Oxide), iron-carbon micro-electrolysis, distillation pretreatment Process.
6.4.6 contains large amounts of suspended solids and organic macromolecular colloidal wastewater, can be coagulation sedimentation or flotation process in detail
Parameters respectively refer HJ 2006, HJ 2007.
6.5 biological treatment process
6.5.1 biochemical treatment should be tired (and) based on oxygen and aerobic processes to remove pollutants and nitrogen and phosphorus removal requirements and should be based on waste
Carbon nitrogen and phosphorus ratio of water to ensure that supplementary nutrients nitrogen removal.
6.5.2 should set multi-stage biological treatment process units. Anaerobic - anoxia - when aerobic activated sludge process with reference to HJ 576.
6.5.3 should be set or anaerobic hydrolysis acidification process prior to aerobic biological treatment. After pretreatment of wastewater CODCr concentration of less than 3000
mg/L, it is desirable hydrolytic acidification treatment process; when pretreated wastewater CODCr concentration greater than 3000 mg/L, should adopt
Anaerobic treatment process.
6.5.4 should be used according to the hydrolysis reactor waste water quality, quantity and so on.
6.5.5 into the anaerobic reactor wastewater CODCr concentration should be controlled at 10000 mg/L or less, and the sulfate concentration should be controlled
Concentration limits within the scope of the specification requirements of section 6.4.2, the influent concentration of suspended solids should be controlled at 1000 mg/L or less. When the influent
CODCr, when the concentration of suspended solids not meet the above conditions can be set to pre-acidification pretreatment facilities, the design of pre-acidified water
HRT and pH range should be determined according to the results of small scale or pilot.
6.5.6 upflow anaerobic sludge blanket reactor (UASB), the anaerobic expanded granular sludge bed (EGSB) and completely mixed reaction
The detailed parameters refer respectively HJ 2013, HJ 2023, HJ 2024.
6.5.7 aerobic system should use a conventional activated sludge, sequencing batch activated sludge (SBR), biological oxidation, membrane bioreactor
The reactor (MBR) and other design parameters with reference to the following technical requirements, and, based on experimental results.
a) to be removed should be combined with oxygen demand biochemical oxygen demand (BOD5) and NH3-N is determined, calculation method, see GB 50014
b) aeration tank should consider setting up a foam barrier and eliminate facilities, can increase the aeration tank high, adding defoamers, spray
Water and mechanical defoaming defoaming and other measures;
c) should use anti-clogging, easy maintenance of aeration;
d) aeration equipment should be based on wastewater quality, water regulating oxygen supply, 20000 m3/d above scale wastewater treatment work
Cheng Yi automatic adjustment means;
e) When using completely mixed aeration tank with a selection area and choose district HRT 30 min ~ 50 min, the region should be
Let mixing facilities. When using mechanical mixing mode hybrid power should be greater than 25 W/m3; when using aeration mixing party
Formula, the amount of aeration should be greater than 3 m3/(m2 · h);
f) should be set to aerobic biological reaction tank (except SBR, MBR, etc.) after the secondary settling tank, secondary sedimentation tank load surface is preferably 0.5 m3 /
(M2 · h) ~ 0.7 m3/(m2 · h), the sludge solids loading is preferably 60 kg/(m2 · d) ~ 150 kg/(m2 · d);
g) aerobic biological treatment process should be designed to meet the CECS 97, CECS 111, CECS 112 and other provisions of the standard; Health
Detailed parameters contacting oxidation method reference CECS 128, HJ 2009 with the relevant provisions; sequencing batch activated sludge
Detailed parameters reference the relevant provisions of HJ 577; detailed parameters oxidation ditch activated sludge reference HJ 578; raw film
Detailed parameters were law reference HJ 2010.
6.6 Advanced Treatment Processes
6.6.1 When wastewater by biological treatment does not meet the emissions standards or reuse requirements should be in-depth treatment.
6.6.2 advanced treatment process and technical parameters to be determined later by the process and test technical and economic comparison.
6.6.3 Advanced Treatment choose coagulation sedimentation (or flotation), adsorption, filtration, membrane separation, chemical oxidation, biological filter method
One or several process technology portfolio.
6.6.4 When using a chemical oxidation process, the choice of ozone, sodium hypochlorite, chlorine dioxide, hydrogen peroxide or the like as the oxidant,
The reaction time is 0.5 h ~ 2 h.
6.6.5 using adsorption process, the adsorbent selectively activated carbon, composite functional resin adsorption flow rate should not be higher than 10 BV/h.
6.6.6 membrane separation method, detailed parameters of coagulation and sedimentation, flotation and biological filter method respectively reference HJ 579, HJ 2006,
The relevant provisions of HJ 2007 HJ 2014 and other standards.
6.7 prevention of secondary pollution
6.7.1 General
Prevention of secondary pollutants odor, solid waste and noise generated during construction and operation should implement national and
Fang existing environmental regulations and standards. Wastewater Treatment should be set up places to store materials, chemical, sludge, waste, etc., shall not be open dumps, sludge and
Waste storage site should be impermeable, water-resistant and spill-proof handle.
6.7.2 stench Governance sump, regulation pool, pool acid hydrolysis, sludge storage tank, sludge dewatering room and other places should be set up set up to collect odor
Preparation and focus to deodorize. deodorization process should adopt the physical, chemical and biological Combination combination of technology, commonly used include adsorption deodorizing process,
Absorption, chemical oxidation, low-temperature plasma oxidation, biological washing or biological filtration.
Gas emission concentrations stench treatment facility shall comply with the relevant provisions of GB 14554.
6.7.3 biogas utilization should water quality and methane gas production rate is determined according to the size of biogas utilization system anaerobic reactor. should be based on biogas utilization pathways for biogas desulfurization and dehydration purification treatment, and the right amount of storage, purification and its benefits
Technology should be consistent with the relevant provisions of NY/T 1220 in.
6.7.4 Solid waste treatment biological sludge generated based on the amount of organic matter concentration and removal, sludge yield coefficient calculated materialized sludge
Calculated based on the amount of waste water and the concentration of suspended solids removal, the dosage of the drug. When the lack of information, the conventional case according to the following data to estimate the amount of sludge.
a) When using activated sludge, sludge production can be 0.5 ~ 0.7 kg DS/kg BOD5 design, according to the moisture content of 99.3% yield
~ 99.4% of the amount of sludge waste water treatment capacity of 1.5% to 2.0% check;
b) When using biological contact oxidation, sludge production can be 0.4 ~ 0.5 kg DS/kg BOD5 design, according to yield moisture content 99.3
% To 99.4%, the amount of sludge waste water treatment capacity of 1.5% to 2.0% checked. Biological contact oxidation can be detailed parameters
Referring HJ 2009;
C) When the coagulating sedimentation process after biological treatment, wastewater treatment sludge production can amount to 3% to 5% of the design; coagulation Shen
When the lake processed prior to biological treatment, waste water treatment sludge production according to the amount of 4% to 6% of the design, the moisture content of the sludge
99.6% to 99.7%.
According to the characteristics of the sludge, mechanical dewatering situation before dosing conditioning sludge dewatering. Type of chemicals should be based on the nature of the sludge
And dry sludge treatment selection, dosage test or by reference to the same type of data to determine the sludge dewatering. sludge dewatering machine type shall be determined by the technical and economic comparison after the nature of the sludge, sludge production, dewatering requirements. Take off
Water water content of sludge disposal should meet the requirements. included in the "National List of Hazardous Wastes" or identified as hazardous waste and waste sludge and other solid waste shall be in accordance with the adsorbent
GB 18597, GB 18598, HJ 2025, and other relevant provisions of storage and disposal.
6.7.5 Noise Pollution
Noise emissions Wastewater Treatment Project shall comply with GB 3096 and GB 12348 provisions, facilities inside the building
Noise source control comply with the relevant provisions of 87 GB J.
Inter equipment should have good sound insulation and silencer design, selection of good performance acoustic materials for protection. installation of machinery and equipment should be considered isolation, sound insulation, noise and other noise and vibration control measures. King noise generating sources,
The blower and pumps should be equipped with special silencer device.
6.8 Accident and Emergency Treatment
6.8.1 The workshop should set up a separate accident contamination pouring waste collection tank (tank), contamination pouring waste should be based on waste water treatment plants
Art requires a high temperature, chemical oxidation, UV disinfection inactivation treatment process, even into the conditioning tank Wastewater Treatment Project
6.8.2 should be set within the Wastewater Treatment pool accident, and a matching set of environmental risk prevention and corresponding pipe network switching devices, rain sewage
facility. Because when the wastewater treatment facility failure, abnormal operating conditions, power outages and other incidents to suspend water, waste water should be discharged into the pool accident.
6.8.3 After the return to normal production or wastewater treatment facilities troubleshooting, should accidental discharge of wastewater discharged into the wastewater treatment engineering uniform
Regulation pool treatment discharge standards.
6.9 wastewater reuse
6.9.1 should be based on wastewater reuse plant Reuse-based, off-site reuse supplement.
6.9.2 wastewater reuse water quality should be implemented GB/T 18920 and other national standards based on water segment.
6.9.3 back to the water treatment process, storage, distribution and monitoring systems shall comply with the provisions of GB 50335.
7 main process equipment and materials
7.1 General provisions
7.1.1 Equipment and materials shall engineering design, bidding, construction and installation, operation and maintenance, commissioning and acceptance and other aspects of control,
Meet the selection process, in line with the standard requirements.
7.1.2 Wastewater Treatment selection of equipment should follow the "environmental protection product" series of standards, prohibit the use of
Obsolete technology and equipment.
7.1.3 corrosive equipment, pipe drains should be corrosion-resistant material, and take anti-corrosion measures.
7.2 aeration equipment
7.2.1 should be used oxygen utilization coefficient, good mixing effect, reliable, low resistance loss, easy installation and maintenance products.
7.2.2 should be used in compliance with national or industry standards for product specific requirements are as follows.
a) a vertical shaft mechanical surface aerators should comply with HJ/T 247's;
b), the microporous aerator shall comply with HJ/T 252's;
c) brush aerator shall comply with HJ/T 259's;
d) blast submersible aerator shall comply with HJ/T 260's;
e) shall comply with the provisions of the jet aerator HJ/T 263's;
f) rotary aerator shall comply with HJ/T 280's;
g) diffuser aeration should be consistent with the provisions of HJ/T 281's.
7.3 Fan
7.3.1 Fan supply air volume and pressure should consider the following factors.
a) the density of air and oxygen should be corrected according to the local atmospheric pressure;
b) pressure should be based on characteristics of the fan, duct losses, the resistance of the air diffuser aeration depth (refers to the diffusion means
Ullage) and other calculation.
7.3.2 The selection of the fan, it should be consistent with national or industry standards for product specific requirements are as follows.
a) high-speed single-stage centrifugal blower aeration should be consistent with the provisions of HJ/T 278's;
b) shall comply with the Roots blower HJ/T 251's.
7.3.3 shall be provided with at least one spare fan.
7.4 Other equipment requirements
Meet the selection process, the product meets the following standards.
a) rotary fine grid shall comply with HJ/T 250's;
b) shall comply with grate discharge machine HJ/T 262's;
c) Van filter frame filter and should be consistent with the provisions of HJ/T 283, the belt press filter should be consistent with HJ/T 242
Regulations, sludge thickening belt dewatering machine shall comply with HJ/T 335's;
d) dosing equipment shall comply with HJ/T 369's;
e) should be consistent with hanging packing HJ/T 245's provisions, suspended filler shall comply HJ/T 246's.
8 Inspection and Process Control
8.1 Detection
8.1.1 should be set based on the measurement of water treatment processes and management requirements, observe the water level, water quality observation, sampling laboratory testing, drug
Measurement instruments, meters, wastewater treatment project main parameters of regular testing and monitoring of key indicators to achieve control
Line detection and monitoring.
8.1.2 Sampling frequency and test items should be determined in accordance with the requirements of process control, dissolved oxygen, pH, temperature, water, oxidation-reduction
Bit (ORP) and other indicators should achieve on-line monitoring.
8.1.3 The sampling point line monitoring device, sampling frequency, monitoring programs, operating modes and data transmission shall comply with HJ/T 91,
HJ/T 92, the relevant provisions of HJ/T 355, HJ/T 212 and GB 21903 and other standards.
8.1.4 should be adopted in line with HJ/T 96, HJ/T 101, HJ/T 377 and other provisions of the detection equipment.
8.1.5 field instrumentation should have anti-corrosion, explosion-proof, anti-leakage, anti-fouling, self-cleaning and other functions.
Other requirements 8.1.6 instrument design can refer CECS 162 and other standards.
8.2 Process Control
8.2.1 should be selected for the control method based on project size, process and operational management requirements, determine the parameters of the control requirements.
The main production unit 8.2.2 Comprehensive small wastewater treatment works can be automatically controlled to deal with the scale of 5000 m3/d to
Comprehensive Wastewater Treatment Project on, should be set up in the control room, centralized management and monitoring, computer control system of decentralized control,
Equipped as required in the operation of pollution control facilities, automatic control system and on-line monitoring devices.
9 structures and ancillary works
9.1 Structures
9.1.1 treatment structures should conform to GB 50009, GB 50014, GB 50191 of the relevant provisions and to take anti-corrosion, anti-seepage
Leakage measures.
9.1.2 Wastewater treatment tank emptying facilities should be located, the discharged water should flow into the conditioning tank or pool accident reprocessing.
9.1.3 Wastewater Treatment should be according to "the sewage outfall remediation technical requirements" set the outfall.
9.2 Power & Electrical
9.2.1 Independent Wastewater Treatment should be powered by two load design.
9.2.2 electrical system design should be consistent with GB 50052, GB 50053, GB 50054, GB 50055, GB 7251 and GB 50057
And other standards.
9.2.3 Building construction site for electrical safety should meet the requirements of GB 50194.
9.3 Air Conditioning & HVAC
Heating, ventilation and air conditioning should be within 9.3.1 Wastewater Treatment Project building systems, and should be consistent with GB 50019, GB 50243
And other national standards.
9.3.2 Wastewater Treatment heating system should be designed with the production system of unified planning, the heat source should be provided by the factory heating system.
9.3.3 all kinds of construction, ventilation design structures shall conform to the following principles.
a) could easily lead to accumulation of harmful gases built structures should give priority to the use of local exhaust ventilation, and set the whole room ventilation;
b) There may release toxic and harmful gases buildings (such as inter-dosing, sludge dewatering room and laboratories, etc.) should be root
It is required to meet the maximum allowable concentration of indoor air changes determine the amount of ventilation, indoor air can not recycle, toxic,
Harmful gas emissions should comply with the relevant requirements of existing national standards;
c) explosion-proof requirements of the workshop (eg between methane control, etc.) should be set up emergency ventilation, the accident should be explosion-proof fan;
d) When the mechanical ventilation technology can not meet the indoor temperature, humidity, air-conditioning should be set.
9.3.4 In cold areas, heat treatment structure should be freezing measures, and should make full use of low-grade waste heat, plus the addition of appropriate
Heat exchanger or engineering measures to ensure the biochemical systems the water temperature is higher than 10 ℃. When heating, the indoor temperature can be processed structure 5 ℃
Design; between dosing, laboratory and duty room and other indoor temperature can be 15 ℃ design.
9.4 Water Supply and Drainage and Fire
9.4.1 When the flood tide, storm drain may cause surface water level below the water level should be set Tidal Gate and drainage pumping stations.
9.4.2 Wastewater Treatment fire design should meet the requirements of GB 50016, flammable or workshop shall place fire
Department for setting fire equipment.
9.5 Roads and Green
9.5.1 Wastewater Treatment in the road should be consistent with the relevant provisions of GB J 22.
9.5.2 Wastewater Treatment green area, a large green area of independent wastewater treatment project should not be less than the total area of Wastewater Treatment Project
30% of the area of waste water treatment project in the plant may be determined according to the actual situation.
10 labor safety and occupational health
10.1.1 labor safety management should be consistent with GB 12801 provisions, the establishment of safety inspection system and strictly enforced, and to develop flammable,
Explosion, poisoning, natural disasters and other unexpected incidents emergency plan.
10.1.2 shall be managed and used in accordance with the requirements of the process "dangerous chemical safety regulations" of chemicals.
10.1.3 shall be provided the necessary security measures and warning device according to HG 20571 requirements.
a) Enterprises should be posted on the station's safety and emergency response measures identified in a prominent position;
b) Structure of Water Treatment periphery protective railing, walkway plate with non-slip, anti-drowning lifebuoy and other safety measures, railing height
And strength should be consistent with the relevant national occupational safety and health regulations, the processing overhead structures should be avoided according to the respective specifications set
Mine facilities;
c) a variety of mechanical transmission parts or equipment exposed moving part should be set shields or protective railings, and keep around
Certain operating space;
d) An emergency shower should be flush device in the corresponding region between dosing;
E) When personnel enter closed water structures maintenance, should be forced ventilation, through detection equipment to determine the character
When combined security conditions, personnel before entering, to prevent poisoning, suffocation.
10.1.4 should be set combustible gas detection and alarm devices in an anaerobic reactor, hydrolysis tank, sump and other dangerous devices area.
10.2 Occupational Health
10.2.1 operating room ventilation should be maintained for the operator of long-term work in the post.
10.2.2 should strengthen occupational health protection and workplace, good sound insulation, shock absorption and heatstroke, cold, anti-virus and other prevention efforts.
10.2.3 The operator shall provide the necessary labor protection products, as well as bathrooms, locker rooms and other health facilities.
10.2.4 workers between dosing, sludge dewatering room, fan room high dust, odor, high noise environments should wear necessary
Labor protection equipment.
11 construction and acceptance
11.1 Construction
11.1.1 engineering design, construction units should have the appropriate engineering qualifications.
11.1.2 engineering facilities shall meet the requirements of national and construction industry and construction program management file.
11.1.3 shall engineering design for construction. If the change should occur first obtain engineering design unit design changes into the document again
Line construction.
11.1.4 production equipment used in construction, materials, devices, etc. should comply with the relevant national standards and obtain supplier
Product before use certificate.
11.1.5 Installation of water pollution-line monitoring system shall comply with the provisions of HJ/T 354's.
11.1.6 In addition to construction units should comply with the relevant technical specifications, abide by the relevant state departments issued by the Occupational Safety and
Health, fire and other national mandatory standards.
11.2 completion of the project acceptance
11.2.1 acceptance should be "Project (Project) final acceptance approach" special inspection of the relevant norms and standards related to the present
Provisions of the organization, before project completion and acceptance can not be put into productive use.
11.2.2 Building Electrical Construction Quality Acceptance shall comply with the provisions of GB 50303.
11.2.3 acceptance should be based on. the approval documents of the competent authorities, the approved design documents and document design changes, works contracts
With equipment supply contract and contract attachments, equipment, technical documentation and technical specifications, special equipment construction inspection and other documents.
11.2.4 After each device, structure, building monomer in accordance with relevant national standards or industry (specification) of acceptance, should be water
Unicom overall debugging.
11.2.5 test run should be basically completed in the system debugging facilities, each link is operating normally, with the pre-production process of waste discharge
Water corresponding ability after starting.
11.2.6 relevant professional inspection procedures and content should be consistent with GB 50093, GB 50168, GB 50169, GB 50204, GB
50208, GB 50231, GB 50236, GB 50683, GB 50243, GB 50254, GB 50255, GB 50256, GB
50257, GB 50268, GB 50275 and GB J 141 and other standards.
11.3 Acceptance of Environmental Protection
11.3.1 Environmental engineering acceptance should be "completed construction projects acceptance management approach" regulations.
11.3.2 In addition to engineering environmental protection acceptance should meet the "acceptance of completed constructi...
Related standard: HJ 1083-2020    HJ 1084-2020