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GB 28936-2012: Discharge standards of water pollutants for reeling industry
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Discharge standards of water pollutants for reeling industry
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Basic data
Standard ID: GB 28936-2012 (GB28936-2012)
Description (Translated English): Discharge standards of water pollutants for reeling industry
Sector / Industry: National Standard
Classification of Chinese Standard: Z63
Classification of International Standard: 13.030.20
Word Count Estimation: 10,155
Quoted Standard: GB/T 6920-1986; GB/T 11893-1989; GB/T 11901-1989; GB/T 11914-1989; HJ/T 195-2005; HJ/T 199-2005; HJ 505-2009; HJ 535-2009; HJ 536-2009; HJ 537-2009; HJ 636-2012; HJ 637-2012; " automatic monitoring pollution management approach" (State Environmental Prote
Regulation (derived from): Department of Environmental Protection Notice No. 64 of 2012 National Standards Bulletin 2012 No. 31
Issuing agency(ies): Ministry of Environmental Protection, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Summary: This Chinese standard specifies the reeling industrial enterprises or production facilities of water pollutant discharge limits, surveillance and monitoring requirements, and standards for the implementation and supervision of relevant regulations. This s
GB 28936-2012: Discharge standards of water pollutants for reeling industry
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Discharge standards of water pollutants for reeling industry
release
Filament industry water pollutant discharge standard
National Standards of People's Republic of China
Published on.2012-10-19
2013-01-01 Implementation
Ministry of Environmental Protection
State Administration of Quality Supervision, Inspection and Quarantine
Content
Foreword. II
1 Scope..1
2 Normative references..1
3 Terms and Definitions.1
4 Pollutant emission control requirements 2
5 Pollutant monitoring requirements..3
6 Implementation and supervision.5
Foreword
To implement the Environmental Protection Law of the People's Republic of China, the Law of the People's Republic of China on the Prevention and Control of Water Pollution, and the Chinese People
Laws and Regulations of the Republic of the Sea on Environmental Protection Law, the State Council's Opinions on Strengthening Environmental Protection Key Work, and the State
The Opinions of the Institute on the Preparation of the National Main Functional Area Plan, Protecting the Environment, Preventing Pollution, and Promoting the Production Process of Silk Industry
And the progress of pollution control technology, the development of this standard.
This standard stipulates the limits, monitoring and monitoring requirements for water pollutant discharge in the production process of silk reeling industrial enterprises.
In order to promote the coordinated development of regional economy and environment, promote the adjustment of economic structure and the transformation of economic growth mode, and guide
The development direction of the industrial production process and pollution control technology of silk reeling, this standard specifies the special emission limit of water pollutants.
The pollutant discharge concentrations in this standard are all mass concentrations.
Filament industrial enterprises emit atmospheric pollutants (including odorous pollutants), and environmental noise is applied to corresponding national pollutant discharges.
Standards, the identification, treatment and disposal of solid wastes are subject to national solid waste pollution control standards.
This standard is the first release.
Since the implementation of this standard, the discharge of water pollutants from silk reeling enterprises has been carried out in accordance with this standard, and the sewage comprehensive system is no longer implemented.
Combined Emission Standards (GB 8978-1996).
Local provincial people's governments may formulate local pollutant discharge standards for pollutants not specified in this standard;
For pollutants that have been stipulated in this standard, local pollutant discharge standards that are stricter than this standard may be formulated.
This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.
This standard was drafted. China Textile Economic Research Center, Zhejiang Kaixi Ya International Co., Ltd., Chinese silk
Association, Environmental Standards Institute of the Ministry of Environmental Protection, Shandong Taian Baichuan Water Industry Technology Co., Ltd.
This standard was approved by the Ministry of Environmental Protection on September 11,.2012.
This standard has been implemented since January 1,.2013.
This standard is explained by the Ministry of Environmental Protection.
Filament industry water pollutant discharge standard
1 Scope of application
This standard specifies the limits, monitoring and monitoring requirements for water pollutants discharged from silk industrial enterprises or production facilities, and
Relevant regulations such as implementation and supervision.
This standard applies to the management of water pollutant discharge in existing reeling industrial enterprises or production facilities.
This standard is applicable to the environmental impact assessment of the construction projects of silk reel industrial enterprises, the design of environmental protection facilities, and the completion of the ring.
Environmental protection acceptance and management of water pollutant discharge after production.
This standard applies to the discharge of pollutants permitted by law. Site selection and special protection areas for newly established pollution sources
Management of pollution sources, in accordance with the Law of the People's Republic of China on Water Pollution Prevention and Control, and the Marine Environmental Protection of the People's Republic of China
The relevant provisions of laws, regulations and rules such as the Law and the Environmental Impact Assessment Law of the People's Republic of China are implemented.
The water pollutant emission control requirements specified in this standard are applicable to enterprises directly or indirectly discharging water pollution outside their legal boundaries.
The behavior of the dye.
2 Normative references
The contents of this standard refer to the following documents or their terms. For undated references, the valid version applies.
In this standard.
GB/T 6920-1986 Determination of water pH value - Glass electrode method
GB/T 11893-1989 Determination of total phosphorus in water - Ammonium molybdate spectrophotometric method
GB/T 11894-1989 Determination of total nitrogen in water - Alkaline potassium persulfate digestion - UV spectrophotometric method
GB/T 11901-1989 Determination of suspended solids by weight method
GB/T 11914-1989 Determination of chemical oxygen demand in water - Dichromate method
HJ/T 195-2005 Determination of ammonia nitrogen in water quality
HJ/T.199-2005 Determination of total nitrogen in water -- Gas phase molecular absorption spectroscopy
HJ 505-2009 Water quality five-day biochemical oxygen demand (BOD5) determination dilution and inoculation method
HJ 535-2009 Determination of ammonia nitrogen in water quality - Nexus reagent spectrophotometric method
HJ 536-2009 Determination of ammonia nitrogen in water quality - Salicylic acid spectrophotometric method
HJ 537-2009 Determination of ammonia nitrogen in water quality - Distillation - Neutralometric titration
HJ 636-2012 Determination of total nitrogen in water - Alkaline potassium persulfate digestion - UV spectrophotometric method
Water quality - Determination of petroleum and animal and vegetable oils - Infrared spectrophotometric method
Measures for the Automatic Monitoring and Control of Pollution Sources (Order No. 28 of the State Environmental Protection Administration)
Measures for the Administration of Environmental Monitoring (Order No. 39 of the State Environmental Protection Administration)
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1 Silk Enterprise
Refers to the use of silkworm cocoons as the main raw material, through the process of stripping, boiling, twisting, reshaping, and finishing, producing silk, soil, and double
Gongsi and long-spur, head, silkworm cocoon and other by-products, including silkworm silk reeling enterprises and tussah silk reeling enterprises.
3.2 Existing companies
Means that the silk production enterprise that has completed the production or environmental impact assessment document has been approved before the date of implementation of this standard
Or production facilities.
3.3 New Enterprise
Refers to the production of new, rebuilt and expanded silk reel approved by the environmental impact assessment document from the date of implementation of this standard.
Facility construction project.
3.4 Displacement
Refers to the amount of sewage discharged from a production facility or enterprise that does not function. Including direct or indirect relationship with production
Various kinds of effluent sewage (including domestic sewage in the plant area, boilers in the plant area and drainage of power stations, etc.).
3.5 unit product basis displacement
Refers to the upper limit of the discharge amount of raw silk produced by the production unit for the verification of the concentration of water pollutants.
3.6 Direct discharge
Refers to the behavior of pollutant discharge units directly discharging water pollutants into the environment.
3.7 Indirect emissions
Refers to the behavior of sewage units discharging water pollutants to public sewage treatment systems.
3.8 Public sewage treatment system
Refers to collecting waste water through sewage pipelines, providing wastewater treatment services for more than two sewage disposal units and drainage energy
Enterprises or institutions that meet the relevant emission standards, including urban sewage treatment plants of various sizes and types,
Including various industrial parks, development zones, industrial agglomerations, etc.), wastewater treatment plants, etc., the degree of wastewater treatment should reach two or
More than two.
4 Pollutant emission control requirements
4.1 From January 1,.2013 to December 31,.2014, the existing silkworm silk reeling enterprises will implement the water contaminant discharge specified in Table 1.
The discharge limit; since January 1,.2015, the existing tussah silk reeling enterprises have implemented the water pollutant discharge limit specified in Table 1.
Table 1 Limits of water pollutant discharge concentration of existing enterprises and base product displacement of unit products
Unit. mg/L (except pH)
Serial number pollutant project
Limit
Pollutant emission monitoring location
Direct emission indirect emissions
1 pH value 6～9 6～9
Corporate wastewater discharge
2 Chemical oxygen demand (CODCr) 100.200
3 5th BOD 40 80
4 suspended matter 70 140
5 ammonia nitrogen 25 40
6 total nitrogen 30 50
7 total phosphorus 1.0 1.5
8 animal and vegetable oil 15 15
Unit product basis displacement
(m3/t product)
Displacement measurement position and pollutant discharge
Monitoring location is the same
4.2 Since January 1,.2015, the existing silkworm silk reeling enterprises have implemented the water pollutant discharge limits specified in Table 2.
4.3 From January 1,.2013, the newly-built enterprise shall implement the water pollutant discharge limit specified in Table 2.
Table 2 Limits of water pollutant discharge concentration of new enterprises and base product displacement
Unit. mg/L (except pH)
Serial number pollutant project
Limit
Pollutant emission monitoring location
Direct emission indirect emissions
1 pH value 6～9 6～9
Corporate wastewater discharge
2 Chemical oxygen demand (CODCr) 60.200
3 5th BOD 25 80
4 suspended matter 30 140
5 ammonia nitrogen 15 40
6 total nitrogen 20 50
7 total phosphorus 0.5 1.5
8 animal and vegetable oil 3 3
Unit product basis displacement
(m3/t product)
Displacement measurement position and pollutant discharge
Monitoring location is the same
4.4 According to the requirements of environmental protection work, the density of land development has been high, and the environmental carrying capacity has begun to weaken, or
Areas with small environmental capacity, fragile ecological environment, and prone to serious environmental pollution problems requiring special protection measures,
The company should strictly control the pollutant discharge behavior of enterprises, and the enterprises in the above regions shall implement the special discharge limits of water pollutants specified in Table 3.
value.
The geographical scope and time for the implementation of special discharge limits for water pollutants shall be administered by the administrative department of environmental protection of the State Council or the province.
Level people's government regulations.
Table 3 Special limits for water pollutants
Unit. mg/L (except pH)
Serial number pollutant project
Limit
Pollutant emission monitoring location
Direct emission indirect emissions
1 pH value 6～9 6～9
Corporate wastewater discharge
2 Chemical Oxygen Demand (CODCr) 40 60
3 5th BOD 15 25
4 suspended matter 10 30
5 ammonia nitrogen 5 15
6 total nitrogen 8 20
7 total phosphorus 0.5 0.5
8 animal and vegetable oil 1 1
Unit product basis displacement
(m3/t product)
Displacement measurement position and pollutant discharge
Monitoring location is the same
4.5 The concentration limit of water pollutant discharge is applicable to the fact that the actual displacement of the unit product is not higher than the unit discharge of the unit product.
condition. If the actual displacement of the unit product exceeds the unit product displacement, the measured water pollutant concentration shall be changed according to formula (1).
Calculated as the baseline discharge discharge concentration of water pollutants, and based on the water pollutants reference water discharge concentration as the determination of emissions
The basis of the target. The product production and displacement statistics cycle is one business day.
Production of two or more products at the same time in the production facility of the enterprise, applicable to different emission control requirements or countries in different industries
In the case of pollutant discharge standards and the discharge of sewage from production facilities, the emission standards shall be implemented.
The most stringent concentration limit, and the water pollutant baseline discharge concentration is converted according to formula (1).
Base = ρρ ו∑ ii Q
(1)
In the formula.
Base ρ - water pollutant baseline discharge discharge concentration, mg/L;
Total Q - total drainage, m3;
iY -- the output of a certain product, t;
Base iQ - the base product displacement of a product, m3/t;
Real ρ -- measured water pollutant discharge concentration, mg/L.
If the ratio of the total Q to the base ii QY is less than 1, the measured concentration of the water pollutant is used as the determination of whether the discharge is up to standard.
in accordance with.
5 Pollutant monitoring requirements
5.1 Sampling of wastewater discharged by enterprises shall be carried out according to the type of pollutants to be monitored and at the monitoring location of the specified pollutant discharge.
If there is a wastewater treatment facility, it should be monitored after the treatment facility. Enterprises shall comply with the requirements of the State's relevant pollution source monitoring technical specifications.
Set the sampling port and set the sewage outlet mark at the pollutant discharge monitoring position.
5.2 Requirements for the installation of automatic monitoring equipment for pollutant discharge in newly built enterprises and existing enterprises, in accordance with relevant laws and
Implementation of the Measures for the Administration of Dynamic Monitoring.
5.3 Frequency, sampling time and other requirements for monitoring the discharge of pollutants from enterprises, according to relevant national pollution source monitoring techniques
The provisions of the surgical specifications are implemented.
5.4 The verification of the output of the enterprise products shall be based on the statutory statements.
5.5 The enterprise shall monitor and save the sewage discharge in accordance with the relevant laws and the Measures for the Administration of Environmental Monitoring.
Original monitoring record.
5.6 The method standards listed in Table 4 are used to determine the concentration of pollutants discharged from enterprises.
Table 4 Standards for determination of water pollutant concentration
No. Contaminant Project Method Standard Name Method Standard Number
1 pH value water quality determination of glass electrode method GB/T 6920-1986
2 Chemical oxygen demand water quality Determination of chemical oxygen demand - Dichromate method GB/T 11914-1989
3 Five-day biochemical oxygen demand water quality five-day biochemical oxygen demand (BOD5) determination dilution and inoculation method HJ 505-2009
4 Determination of suspended solids suspended solids - Gravimetric method GB/T 11901-1989
5 ammonia nitrogen
Determination of ammonia nitrogen in water quality - Nachite reagent spectrophotometric method HJ 535-2009
Water quality - Determination of ammonia nitrogen - Salicylic acid spectrophotometric method HJ 536-2009
Determination of ammonia nitrogen in water quality - Distillation - Neutralometric titration method HJ 537-2009
Water quality - Determination of ammonia nitrogen - Gas phase molecular absorption spectroscopy HJ/T 195-2005
6 total nitrogen
Determination of total nitrogen in water - Alkaline potassium persulfate digestion - UV spectrophotometric method HJ 636-2012
Water quality - Determination of total nitrogen - Gas phase molecular absorption spectroscopy HJ/T.199-2005
7 Total phosphorus phosphorus - Determination of total phosphorus - Ammonium molybdate spectrophotometric method GB/T 11893-1989
Animal and vegetable oils - Determination of petroleum and animal and vegetable oils - Infrared spectrophotometric method HJ 637-2012
6 Implementation and supervision
6.1 This standard is supervised and implemented by the environmental protection administrative department of the people's government at or above the county level.
6.2 Under any circumstance, the enterprise shall comply with the pollutant emission control requirements of this standard and take necessary measures to ensure pollution.
The control facilities are operating normally. Environmental protection departments at all levels can conduct on-site sampling or monitoring on-site inspections of facilities.
The results are used as a basis for determining whether the discharge behavior meets emission standards and implements relevant environmental protection management measures. in
If it is found that the water consumption or displacement of the enterprise has abnormal changes, the actual product output and displacement of the enterprise shall be verified.
The standard stipulates that the water concentration of the water pollutants is converted.
......
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