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Basic dataStandard ID: HJ 2022-2012 (HJ2022-2012)Description (Translated English): Technical specifications for coking wastewater treatment Sector / Industry: Environmental Protection Industry Standard Classification of Chinese Standard: Z23 Word Count Estimation: 48,451 Date of Issue: 12/24/2012 Date of Implementation: 3/1/2013 Quoted Standard: GB 3836; GB 4387; GB 5083; GB 6222; GB 6067; GB 12158; GB 12348; GB 12523; GB 12710; GB 12801; GB 16171; GB 18484; GB 18597; GB 18598; GB 18599; GB 50010; GB 50011; GB 50014; GB 50015; GB 50016; GB 50019; GB 50025; GB 50032; GB 50034; GB 50046; GB 50052; Regulation (derived from): Ministry of Environmental Protection Notice 2012 No. 72 Issuing agency(ies): Ministry of Ecology and Environment Summary: This standard specifies the technical requirements of coking wastewater treatment engineering design, construction, inspection, operation and management aspects. This standard applies to coking wastewater treatment project, as coking environmental impact HJ 2022-2012: Technical specifications for coking wastewater treatment---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.Technical specifications for coking wastewater treatment National Environmental Protection Standard of the People's Republic Technical specification for coking wastewater treatment engineering Published on.2012-12-24 2013-3-1 implementation Ministry of Environmental Protection released ContentForeword.V 1 Scope 1 2 Normative references 1 3 Terms and Definitions..3 4 Contaminants and pollution loads..3 5 General requirements. 4 5.1 General Provisions.4 5.2 Construction scale.5 5.3 System Composition.6 5.4 Site selection and layout 7 5.5 Height and piping layout.8 6 Process Design 9 6.1 General provisions.9 6.2 Process Flow Selection 10 6.3 Pretreatment..12 6.3.1 General provisions. 12 6.3.2 Degreasing tank 12 6.3.3 Grease trap 13 6.3.4 Air floating pool 13 6.3.5 Adjustment Pool 14 6.3.6 Uniform pool 14 6.4 Biochemical treatment 15 6.4.1 General requirements. 15 6.4.2 Activated sludge method. 18 6.4.3 Biofilm method..19 6.4.4 Secondary sedimentation tank.20 6.5 Post-processing..22 6.5.1 General requirements. 22 6.5.2 Flocculation and sedimentation..22 6.5.3 Filtering.23 6.6 Deep purification treatment of wastewater..23 6.7 Secondary pollutant control measures..24 6.7.1 General requirements. 24 6.7.2 Waste oil treatment and disposal..25 6.7.3 Sludge gravity concentration dehydration.26 6.7.4 Addition of sludge dewatering flocculant..27 6.7.5 Mechanical dewatering of sludge 27 7 Main process equipment and materials..27 7.1 General requirements 27 7.2 Aeration equipment 27 7.3 Water pump.28 7.4 Liquid Air Lifter 29 7.5 Other equipment 30 7.6 Materials. 30 8 Detection and Process Control..31 8.1 General provisions 31 8.2 Sampling test 31 8.3 Online detection and control 32 8.3.1 Thermal capacity 32 8.3.2 Pollutant indicators.33 8.3.3 Equipment operating status 33 8.4 Computer Control Management 33 9 Auxiliary Engineering Design..34 9.1 Electrical system 34 9.2 Water supply, drainage and fire protection.34 9.3 Heating, Ventilation and Air Conditioning 35 9.4 Construction and Structure.35 9.5 Plant Roads and Greening 36 10 Labor Safety and Occupational Health 36 10.1 General Provisions 36 10.2 Engineering Design 37 10.3 Construction 38 10.4 Production operation 40 11 Engineering Construction and Acceptance..41 11.1 Engineering Construction..41 11.2 Project completion acceptance.42 11.3 Project Environmental Protection Acceptance 43 12 Operation and Maintenance .44 Appendix A.46 Appendix B.48ForewordTo implement the Environmental Protection Law of the People's Republic of China and the Law of the People's Republic of China on the Prevention and Control of Water Pollution, Design, construction and operation management of Fan Coking Wastewater Treatment Project, prevention and control of environmental pollution, protection of the environment and human health Kang, the development of this standard. This standard specifies the process of coking wastewater treatment engineering design, engineering construction, project acceptance and operation management. Technical requirements. This standard is a guiding standard. This standard is the first release. This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection. This standard is mainly drafted by. Liaoning Provincial Cleaner Production Guidance Center, China Metallurgical Engineering Co., Ltd. This standard was approved by the Ministry of Environmental Protection on December 24,.2012. This standard has been implemented since March 1,.2013. This standard is explained by the Ministry of Environmental Protection. Technical specification for coking wastewater treatment engineering1 Scope of applicationThis standard specifies the technical requirements for the design, construction, acceptance, operation and management of coking wastewater treatment projects. This standard is applicable to coking wastewater treatment projects and can be used as environmental impact assessment and environmental protection facilities for coking industrial construction projects. Technical basis for design, construction, construction project completion environmental protection acceptance, daily operation management.2 Normative referencesThe contents of this standard refer to the terms of the following documents. For undated references, the valid version applies to This standard. GB 3836.1~4 Explosion-proof electrical equipment for explosive atmosphere GB 4064 General Rules for Safety Design of Electrical Equipment GB 5044 Classification of occupational exposure to toxic hazards GB 5083 General safety and hygiene design of production equipment GB 6222 industrial enterprise gas safety regulations GB 12158 General Guidelines for Preventing Electrostatic Accidents GB 12348 Environmental noise emission standards for industrial enterprises GB 12523 Construction site boundary noise limit GB 12710 coking safety regulations General rules for safety and health requirements of GB 12801 production process GB 18484 Hazardous Waste Incineration Pollution Control Standard GB 18597 Hazardous Waste Storage Pollution Control Standard GB 18599 General industrial solid waste storage and disposal site pollution control standards GB 50010 concrete structure design specification GB 50011 seismic design code for buildings GB 50014 Outdoor Drainage Design Code GB 50015 Building Water Supply and Drainage Design Code GB 50016 Building Design Fire Code Design code for heating, ventilation and air conditioning of GB 50019 industrial enterprises GB 50025 Collapsible loess area building code GB 50032 Specification for seismic design of outdoor water supply and drainage and gas thermal engineering GB 50034 Industrial Enterprise Lighting Design Standard GB 50046 industrial building anti-corrosion design specification GB 50052 design specification for power distribution system GB 50054 Low Voltage Distribution Design Specification GB 50057 lightning protection design code for buildings GB 50058 Specification for design of electrical installations for explosion and fire hazard environments GB 50069 Water supply and drainage engineering structure design specification GB 50116 Fire Automatic Alarm System Design Specification GB 50126 Construction specifications for industrial equipment and pipeline insulation engineering GB 50140 Building Fire Extinguisher Configuration Design Specification GB 50185 Industrial equipment and pipeline insulation engineering construction quality acceptance specification GB 50191 seismic design code for structures GB 50212 Engineering construction construction anti-corrosion engineering construction and acceptance specifications GB 50235 Industrial enterprise metal pipe engineering construction and acceptance specifications GB 50236 Field equipment, industrial pipeline welding engineering construction and acceptance specifications GB 50242 Construction water supply and drainage and heating engineering construction quality acceptance specification GB 50243 Ventilation and air conditioning engineering construction and acceptance specifications GB 50254 Electrical installation engineering low-voltage electrical installation acceptance specification GB 50256 Electrical installation and construction crane electrical installation construction and acceptance specifications GB 50257 Electrical installation engineering explosion and fire hazard environment electrical installation construction and acceptance specifications GB 50268 Water supply and drainage pipeline engineering construction and acceptance specifications GB 50275 Compressor, fan and pump installation engineering construction and acceptance specifications GB 50300 Unified standard for construction quality acceptance of construction projects GB 50316 Industrial Metal Pipe Design Specification GB 50332 Water supply and drainage engineering pipeline structure design specification GB/T 50375 Construction Engineering Construction Quality Evaluation Standard GB/T 50380 Engineering Construction Design Enterprise Quality Management Practice GB/T 6067 crane safety regulations GB J65 Grounding Design Specification for Industrial and Civil Power Devices GB J87 industrial enterprise noise control design specification GB J141 Water supply and drainage structure construction and acceptance specifications GB J232 electrical installation engineering construction and acceptance specifications GBZ 1 industrial enterprise design hygiene standard GBZ 2.1 Workplace harmful factors Occupational exposure limits Chemical harmful factors GBZ 2.2 Workplace harmful factors occupational exposure limit physical factors CECS 162 Water Supply and Drainage Instrumentation Automation Control Engineering Construction and Acceptance Specifications HG20571 Safety and Health Design Regulations for Chemical Enterprises JGJ79, J220 Building Foundation Treatment Technical Specifications TSGZ0004 Basic requirements for quality assurance system for manufacturing, installation, modification and maintenance of special equipment TSGD3001 Pressure Pipe Installation License Rules TSGR1001 Pressure Vessel Pressure Pipe Design License Rules TSGR3001 Pressure Vessel Installation and Repair Maintenance License Rules Administrative Measures for Environmental Protection Acceptance of Completion of Construction Projects Order No. 13 of the State Environmental Protection Administration (2001)3 Terms and definitions3.1 The following terms and definitions apply to this standard. 3.2 coking wastewater coking wastewater It refers to waste water generated during coal coking, gas purification, chemical product recovery and chemical product refining. 3.3 excess ammonia water Refers to the coke oven waste gas condensate after separation of tar residue and tar, the output of which depends mainly on the moisture content of coking coal. 3.4 steamed ammonia waste water from ammonia stripper Refers to the wastewater after removal of volatile ammonia and fixed ammonia by steaming ammonia. 3.5 Anoxic denitrification anaerobic denitrification Refers to the process of denitrifying denitrification by using anoxic oxygen for anaerobic respiration under anaerobic conditions. 3.6 reflux nitrified liquid Refers to aerobic nitrifying liquid containing nitrate and nitrite. 3.7 uniform and pool equalizing tank Refers to the pool used to homogenize the quality of coking wastewater. 3.8 semi-coke carbocoal Also known as blue charcoal, it refers to the solid product obtained by dry distillation of coal at low temperature (500 ~ 700) °C.4 Contaminants and pollution loads4.1 For the existing coking wastewater renovation project, the pollutants and pollution load shall be determined through actual measurement; for the new construction and reconstruction and expansion of coking For the coking wastewater treatment project of the project, the pollutants and pollution load can be determined by reference to the same type of enterprise, when there is no pollutant and pollution When loading data, refer to the values provided in Appendix A, Table A1 to Table A7, and obtain the equations (1) and (2). 4.2 The total flow rate of coking wastewater shall be calculated according to formula (1). Q0=∑Qhi ∑QLi(1) In the formula. Q0-total flow of coking wastewater, m3/h; Qhi-the i-th high concentration coking wastewater, m3/h, is the steaming ammonia wastewater and gas purification, chemical product recycling and chemical products Water discharged during the process; QLi- ith type low concentration coking wastewater, m3/h, including production equipment shaft seal cooling drainage, production plant area flushing floor Drainage, gas water sealing and initial rainwater in the production plant area. 4.3 The water quality index of several coking wastewaters mixed should be calculated according to formula (2). C0j = ∑(Chij⋅Qhi) ∑(Clij⋅QLi) Q0 (2) In the formula. C0j-coking wastewater containing mixed concentration of j-th contaminant, mg/L; Chij-the concentration of the j-th pollutant in the i-th high concentration coking wastewater, mg/L; CLij-the concentration of the j-th pollutant in the i-th low concentration coking wastewater, mg/L; 4.4 The amount of water allowed for external drainage and deep purification according to the relevant emission standards shall be calculated according to formulas (3) and (4) respectively. Count. Qe =∑(Qwi·qwi) (3) Qea = ∑Qei ∑Qfi-Qe-∑Qri η (4) In the formula. Qe, Qea- are the allowable external displacement and the amount of water to be purified by the relevant emission standards, m3/h; Qwi-Production or processing capability of the i-th product, kt product/h; Qwi-allows the amount of sewage after treatment of i products, m3/kt products; ∑Qei - the sum of various displacements of the whole plant, m3/h; ∑Qfi- The sum of various amounts of water added or consumed during the treatment of wastewater, positively increased, consumption is negative, m3/h; ∑Qri - the sum of all kinds of water reuse in the whole plant, m3/h; The recovery rate of purified water during η-depth purification treatment, %.5 General requirements5.1 General provisions 5.1.1 Coking should adopt a clean production process to reduce the coking wastewater. 5.1.2 The treatment of coking wastewater should be based on the principles of classified collection and quality treatment. 5.1.3 Contaminants generated during the water treatment process should be disposed of properly. 5.1.4 The selection of coking wastewater treatment technology should follow the advanced and feasible technology, less secondary pollution, less capital investment, and lower operating costs. The principle of simple system maintenance. 5.1.5 Coking wastewater should be treated by a combined treatment process of “pretreatment biochemical treatment and post-treatment deep purification treatment”. 5.1.6 Semi-coke (blue carbon) wastewater, polyphenol-rich phenol refined oil water separation water, small-scale or low-concentration In the case of technical and economical rationality, the refined wastewater of industrial products may be treated by incineration according to relevant regulations. 5.1.7 Wastewater treatment The technical requirements for the physical and chemical treatment of waste liquid generated in the chemical production process are as follows. (1) For conventional coking other than blue carbon (semi-coke) production (including tar processing and benzene refining) High-concentration coking wastewater should be treated with water volume adjustment, degreasing and steaming (requiring removal of fixed ammonia); (2) Independent tar processing and high concentration coking wastewater produced by benzene refining enterprises should be solvent extracted for dephenolation or steaming. Steam dephenolization; if necessary, steaming ammonia should be carried out. (3) For semi-coke (blue carbon) wastewater, degreasing, dephenolization and steaming should be carried out. In the degreasing measures can not effectively remove milk In the case of chemical oils and low-boiling alkali-soluble oils, chemical processes should be used with solvent dephenolation, steam dephenolation and ammonia distillation. 5.1.8 The process selection of wastewater biochemical treatment should follow the following principles. (1) The biochemical treatment of wastewater should adopt a biological denitrification treatment process and should include a pre-denitrification section. (2) In the case where the chemical process cannot ensure the effect of deoiling, dephenolization and ammonia treatment of the semi-coke (blue carbon) wastewater, the wastewater The biochemical treatment process should be used with caution. 5.1.9 Partial process selection for wastewater deep purification treatment should follow the following principles. (1) Depth purification used when the water is returned to the biochemical treatment system for dilution or defoaming water after deep purification treatment The treatment process should be effective in removing polycyclic and heterocyclic organic pollutants remaining in the wastewater after biochemical treatment. (2) When the water is used as the supplementary water for the circulating cooling water system after the deep purification treatment, the deep purification treatment process should be completed. Water quality standards for supplemental water. (3) Membrane concentrated waste liquid rich in high concentration of organic pollutants shall not be used for quenching, washing coal and iron making slag. 5.1.10 The core facilities for the physical and chemical treatment of coking wastewater should be configured in no less than two separate series. 5.1.11 For the construction of the main project in phases, the coking wastewater treatment should be matched with the overall plan. 5.1.12 An accident pool should be set up. 5.2 Construction scale 5.2.1 The construction scale of the coking wastewater treatment project should be consistent with the construction scale of the main coking project, and should be considered for phased construction. The need for future development. 5.2.2 The construction scale of the coking wastewater treatment project should be determined according to the amount of coking wastewater treated. No other data can be used The test time can be determined according to Table 1, in which the pre-treatment and biochemical treatment water volume has included low-concentration coking wastewater and pollution in the factory area. The amount of rainwater in the water and production plant area. Table 1 Corresponding relationship between the coking production scale and the designed water volume in each stage of coking wastewater treatment Coking scale (10,000 t coke/a) 60 ~ 70 90 ~ 100 120 ~ 130 180 ~.200 260 ~ 300 360 ~ 400 540 ~ 600 Remarks High concentration wastewater (m3/h) ≤22 ≤35 ≤46 ≤70 ≤105 ≤138 ≤200 The amount of refined wastewater from some chemical products Ammonia wastewater (m3/h) 20～25 35～40 46～50 70～80 100～120 140～160 210～235 Pretreatment (m3/h) 30～35 45～50 60～65 90～100 130～150 180～200 270～300 Biochemical treatment (m3/h) 50～60 80～90 110～120 150～180 220～260 300～360 450～540 Biochemical post-treatment (m3/h) 50～60 80～90 110～120 150～180 220～260 300～360 450～540 Sludge treatment (m3/h) 0.5～4 1～6 1.3～8 2～12 2.5～15 3.5～25 5.5～40 Related to the nature of the flocculant used 5.2.3 The determination of the construction scale of the coking wastewater treatment project should take into account the disadvantages of increased water content of coking coal in the rainy season. factor. 5.2.4 The scale of coking wastewater treatment produced by the independent chemical product refining process can be based on the number of high-concentration wastewater in Table 1. The value corresponds to the corresponding processing scale. 5.2.5 Coking enterprises with chemical products refined processing, the scale of wastewater treatment should be adjusted accordingly. 5.3 System composition 5.3.1 The physical and chemical treatment of the waste liquid generated in the chemical production process belongs to the recycling of chemical products, and is designed by the coking chemical industry. The chemical production workshop is responsible for operation management. 5.3.2 Coking wastewater treatment system should include wastewater pretreatment, wastewater biochemical treatment, wastewater biochemical treatment, advanced treatment and Its supporting secondary pol......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 2022-2012_English be delivered?Answer: Upon your order, we will start to translate HJ 2022-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. 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