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Basic dataStandard ID: HJ 2056-2018 (HJ2056-2018)Description (Translated English): Technical specifications for mining and mineral processing wastewater treatment of copper, nickel and cobalt Sector / Industry: Environmental Protection Industry Standard Classification of Chinese Standard: HJ Word Count Estimation: 20,273 Date of Issue: 2018-08-13 Date of Implementation: 2018-09-01 Regulation (derived from): Ministry of Ecology and Environment Announcement No. 30 of 2018 Issuing agency(ies): Ministry of Ecology and Environment HJ 2056-2018: Technical specifications for mining and mineral processing wastewater treatment of copper, nickel and cobalt---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 mining and mineral processing wastewater treatment of copper, nickel and cobalt National Environmental Protection Standard of the People's Republic Technical specification for copper-nickel-cobalt mining wastewater treatment engineering Technical specifications for mining and mineral processing wastewater Treatment of copper,nickel and cobalt The standard text shall prevail. ) Published on.2018-08-13 2018-09-01 implementation Ministry of Ecology and Environment released i directory Foreword.1 1 Scope..2 2 Normative references..2 3 Terms and Definitions.3 4 Contaminants and pollution loads.4 5 General requirements..5 6 Process Design..6 7 Main process equipment and materials.12 8 Detection and process control 13 9 Major auxiliary projects.14 10 Labor Safety and Occupational Health..15 11 Construction and acceptance 15 12 Operation and maintenance 17 1 IntroductionIn order to implement the Law of the People's Republic of China on Environmental Protection Law and the Law of the People's Republic of China on the Prevention and Control of Water Pollution, Prevent and control environmental pollution, improve the quality of ecological environment, standardize the construction and operation management of copper-nickel-cobalt mining wastewater treatment project, and develop this standard. This standard specifies the technical requirements for the design, construction, acceptance, operation and maintenance of copper-nickel-cobalt wastewater treatment projects. This standard is a guiding standard. This standard is the first release. This standard was formulated by the Ministry of Ecology and Environment. This standard is mainly drafted by. Beijing Mining and Metallurgical Technology Group Co., Ltd. This standard is approved by the Ministry of Ecology and Environment on August 13,.2018. This standard has been implemented since September 1,.2018. This standard is explained by the Ministry of Ecology and Environment. 2 Copper-nickel-cobalt mining wastewater treatment engineering technical specification1 Scope of applicationThis standard specifies the technical requirements for the design, construction, acceptance, operation and maintenance of copper-nickel-cobalt wastewater treatment projects. Construction (structure) This standard applies to the construction and operation management of copper-nickel-cobalt mining wastewater treatment project, and can be used as copper-nickel The technical basis for environmental impact assessment, environmental protection facility design, construction, acceptance and operation management of cobalt mining and construction projects.2 Normative referencesThe contents of this standard refer to the terms in the following documents. Valid versions of undated references, including modifications Single) applies to this standard. GB 12348 Environmental noise emission standards for industrial enterprises 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 22580 Special environmental conditions Technical requirements for plateau electrical equipment Low-voltage switchgear and control equipment GB 25467 Copper, nickel and cobalt industrial pollutant discharge standards GB 50009 Building Structure Load Specification GB 50014 Outdoor Drainage Design Code GB 50015 Building Water Supply and Drainage Design Code GB 50016 Building Design Fire Code GB 50034 Architectural Lighting Design Standard GB 50052 design specification for power distribution system GB 50053 20kV and below substation design specifications GB 50054 Low Voltage Distribution Design Specification GB 50057 lightning protection design code for buildings GB 50059 35~110kV substation design specification GB 50093 automatic instrument construction acceptance specification GB 50141 Water supply and drainage engineering construction and acceptance specifications GB 50168 Electrical installation engineering cable line construction and acceptance specifications GB 50169 Electrical installation engineering grounding device construction and acceptance specifications GB 50187 General Plan for Design of Industrial Enterprises GB 50189 Public Building Energy Efficiency Design Standard GB 50191 seismic design code for structures GB 50194 Construction site safety requirements for construction and supply of electricity GB 50204 Concrete Structure Engineering Construction Quality Acceptance Specification General specification for construction and acceptance of 3GB 50231 mechanical equipment installation engineering GB 50236 Field equipment, industrial pipeline welding engineering construction specifications GB 50254 Electrical installation engineering Low-voltage electrical installation 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 Fan, compressor, pump installation engineering construction and acceptance specifications GB 50334 Urban Wastewater Treatment Plant Project Quality Acceptance Specification GB J 22 Factory Mine Road Design Code GB J 87 Industrial Enterprise Noise Control Design Specification GB J 141 Code for construction and acceptance of water supply and drainage structures GBZ 1 industrial enterprise design hygiene standard GBZ 2.1 Occupational exposure limits for workplace hazards Part 1. Chemical hazards GBZ 2.2 Occupational exposure limits for workplace hazards Part 2. Physical factors HJ/T 91 Surface Water and Wastewater Monitoring Technical Specifications HJ/T 92 Water Pollutant Total Monitoring Technical Specification HJ/T 212 pollution source online automatic monitoring (monitoring) system data transmission standard HJ/T 251 environmental protection product technical requirements Roots blower HJ/T 265 environmental protection product technical requirements scraper HJ/T 283 environmental protection product technical requirements chamber filter press and plate and frame filter press HJ/T 373 Technical Specifications for Quality Assurance and Quality Control of Fixed Pollution Source Monitoring (Trial) HJ/T 353 Environmental protection product technical requirements Water pollution source online monitoring system installation technical specifications HJ/T 354 Environmental Protection Product Technical Requirements Water Pollution Source Online Monitoring System Acceptance Technical Specification HJ/T 355 Technical Requirements for Environmental Protection Products Technical Specifications for Operation and Assessment of Online Monitoring System for Water Pollution Sources (Trial) HG/T 2124 paddle stirrer technical conditions HG/T 2127 frame stirrer technical conditions YS/T 616 ceramic filter Technical Requirements for Standardized Remediation of Sewage Discharges (Trial) (Environmental Supervision [1996] No. 470) “Measures for Completion and Acceptance of Construction Projects (Engineering)” (Project Construction [1990] No. 1215) Measures for the Administration of Environmental Protection Acceptance for Completion of Construction Projects (Order No. 13 of the State Environmental Protection Administration) Interim Measures for Environmental Protection Acceptance of Construction Project Completion (Guohuan Environmental Impact Assessment [2017] No. 4)3 Terms and definitionsThe following terms and definitions apply to this standard 3.1 copper and nickel cobalt mining and mineral processing of copper, nickel and cobalt Refers to the mining and mineral processing activities of copper, nickel and cobalt mines. 43.2 mining wastewater Refers to the wastewater generated by the mining production activities of copper-nickel-cobalt mining enterprises. 3.3 mineral processing wastewater Refers to the wastewater produced by the beneficiation production activities of copper-nickel-cobalt mining enterprises. 3.4 Acid wastewater Refers to wastewater with a pH value less than 6.0 produced during the mining and ore dressing activities of copper-nickel-cobalt mines.4 Contaminants and pollution loads4.1 Wastewater source and classification 4.1.1 Copper-nickel-cobalt wastewater mainly includes mining wastewater and ore dressing wastewater. 4.1.2 Mining wastewater mainly refers to mine pits (wells) containing suspended solids and dumping fields containing heavy metals formed by precipitation. Field leaching water, etc. 4.1.3 Beneficiation wastewater mainly refers to wastewater containing heavy metals, ore dressing chemicals, overflow of tailings reservoir, and infiltration of tailings dam Water and ground washing water in the initial stage of water and mineral processing workshop. 4.2 Wastewater volume 4.2.1 The amount of water in newly-built mine mining wastewater can be compared according to the production scale, hydrogeological conditions, and similar meteorological conditions. Determine; the amount of water in existing mine mining wastewater is determined based on actual measurements. 4.2.2 The amount of new ore dressing wastewater can be estimated according to the ore dressing test, water balance and production and discharge coefficient, or The proportion of enterprises with similar production scale, work system and management level is determined; the amount of existing ore dressing wastewater is determined according to actual measurement. 4.3 Wastewater quality 4.3.1 Mining wastewater The new mine water quality can be based on the product quality, mining process, ore properties, and the similarity of the state of the elements. The quality of existing mining wastewater is determined according to actual measurements. For the absence of water quality data, refer to the main pollutants given in Table 1. The range is determined. Table 1 Main pollutants and concentration range of mining wastewater (mg/L, pH dimensionless) Contaminant pH SS S2- Cu Fe Concentration 2.0~6.0 80~200 1.0~10 0.5~1000 5~2000 Contaminant Zn Pb Cd As Ni Concentration 1.5~200 0.5~2.0 0.1~2.0 0.5~2.0 0.05~1 4.3.2 Mineral processing wastewater The quality of new ore dressing wastewater can be estimated according to the ore dressing test and the production and discharge coefficient. The existing ore dressing wastewater quality is measured according to the actual measurement. determine. For the absence of water quality data, the range of major pollutant concentrations given in Table 2 can be determined. 5 Table 2 Main pollutants and concentration range of ore dressing wastewater (mg/L, pH dimensionless) Contaminant pH SS COD S2- Cu Concentration 6.0~12.0 80~200 100~400 1.0~20 0.5~2.0 Pollutant Fe Zn Pb Cd As Concentration 5~100 0.5~5.0 0.1~0.5 0.01~0.1 0.1~0.55 General requirements5.1 General provisions 5.1.1 Construction of copper-nickel-cobalt mines involves the production of heavy metals and other toxic and hazardous substances, storage tanks and pipelines, or construction of sewage Facilities with treatment risks such as treatment pools and emergency pools shall be designed in accordance with the requirements of relevant national standards and regulations. Construction and installation of anti-corrosion, leak-proof facilities and leak monitoring devices to prevent contamination of soil and groundwater. 5.1.2 The copper-nickel-cobalt mine wastewater treatment project shall be designed, constructed and put into operation at the same time as the main project. 5.1.3 The construction scale and process configuration of copper-nickel-cobalt wastewater treatment project should be coordinated with the main project of the enterprise; Should meet the overall planning requirements of the mine. 5.1.4 The effluent quality of copper-nickel-cobalt wastewater treatment project should meet the requirements of GB 25467 and local emission standards, and meet the requirements of heavy gold. It is a requirement for the total amount of pollutant control indicators. 5.1.5 Accident emergency prevention facilities shall be set up in the copper-nickel-cobalt wastewater treatment project to prevent excessive discharge of wastewater in the event of an accident. 5.1.6 Wastewater collection, regulation, treatment, sludge treatment and other construction (structure) should be based on the nature of the wastewater, combined with the project site Choose anti-corrosion and anti-seepage measures. 5.1.7 Copper-nickel-cobalt mining wastewater treatment project shall be in accordance with the Technical Requirements for Standardized Remediation of Sewage Discharge Ports (Trial) (Environmental Supervision [1996] 470 No.) Set the sewage outlet, install the metering and automatic monitoring system, and comply with HJ/T 353, HJ/T 354, HJ/T 355 and HJ/T 212 requirements. 5.2 Clean production 5.2.1 Copper-nickel-cobalt mines should promote clean production, improve water recycling efficiency and valuable metals through source control and process management. Recovery rate, reducing the amount of wastewater discharged. 5.2.2 Copper-nickel-cobalt mines should be built in the vicinity of the open stop, dumping, waste rock and tailings reservoirs to achieve clean-up Diversion, rain and sewage diversion. 5.2.3 The copper-nickel-cobalt mine shall collect and treat the initial rainwater and ground flushing water in the beneficiation plant area. 5.2.4 The ore dressing wastewater should be returned to the front of the plant; the discharge volume of the ore production wastewater should be in accordance with the standard requirements, water reuse The rate should meet the requirements of relevant national regulations. 5.3 Engineering composition 5.3.1 Copper-nickel-cobalt mining wastewater treatment projects mainly include. wastewater treatment construction (structure) and equipment, auxiliary engineering and supporting Facilities, etc. 5.3.2 Wastewater treatment The construction and equipment include. wastewater collection, regulation, treatment, sludge dewatering, pharmaceutical preparation and Adding, automatic detection and control. 65.3.3 Auxiliary works include. roads, fences, and green space projects in the plant (station) area; power supply projects, water supply and drainage projects, and compression Air and ventilation dust removal works; laboratory, control room, warehouse, maintenance workshop, temporary storage of sludge, etc. 5.3.4 Supporting facilities include. office, lounge, bathroom, bathroom, etc. 5.4 Construction scale 5.4.1 The scale of wastewater treatment project construction should be 1.1~1.2 times of the amount of wastewater generated, and it should meet the requirements of production fluctuations and meet the requirements of enterprises. The requirements of the overall planning of the industry. 5.4.2 The wastewater collection and conditioning unit should be matched to the construction scale of the main process unit and designed according to the maximum flow rate. mining The effective volume of the wastewater regulating tank shall be designed according to the frequency of rainfall with a return period of not less than 20 years, and after the water balance calculation determine. 5.4.3 The effective volume of the accident pool should take into account the maximum amount of liquid leakage, fire water and rainfall in the event of an accident. 5.5 Project site selection and general layout 5.5.1 The site selection and general layout of the wastewater treatment project shall comply with the provisions of GB 50014 and GB 50187. 5.5.2 Wastewater treatment project should make full use of the height difference, try to make the wastewater flow into the wastewater treatment project as much as possible, and the treated wastewater is good. Good reuse or discharge conditions. 5.5.3 Wastewater treatment engineering construction (structure) and process equipment should be arranged according to the treatment process and the nature of wastewater. Equipment, equipment The arrangement is neat and tidy, easy to operate and maintain. In cold areas, outdoor pipes and installations should be insulated. 5.5.4 The wastewater treatment project shall be equipped with production auxiliary structures (structures) and meet the needs of treatment process and daily management. The accumulation should be determined according to the scale of the treatment, the treatment process, and the management system. 5.5.5 Whether the perimeter of the wastewater treatment project is determined according to specific needs, the height of the wall should be higher than 2m; the size of the gate should meet the most Large equipment needs to enter and exit, and set up sludge and chemical transportation side doors.6 Process design6.1 General requirements 6.1.1 Before the process design, comprehensive investigation should be carried out on water quality, water quantity and change law, and necessary analysis and testing should be carried out. 6.1.2 Copper-nickel-cobalt mining wastewater should be classified and collected, and priority should be given to recovering valuable metals. 6.1.3 The wastewater treatment project for continuous treatment shall be provided with a wastewater regulating tank, and corresponding anti-corrosion and anti-seepage measures shall be taken according to the water quality. The wastewater regulating tank should take measures for clearing mud, and mechanical dredging should be adopted. 6.1.4 The wastewater treatment project shall be provided with a ground flushing water and equipment leakage water collection system, and discharged into the wastewater treatment system for disposal. 6.1.5 The materials and medicaments used in the wastewater treatment project should be set up according to the needs, and should not be stacked in the open air. 6.2 Process selection 6.2.1 The choice of wastewater treatment process should be based on the water quality characteristics of the wastewater, the destination of the treated water and the discharge standard requirements. After the economic comparison, the economy is determined. 6.2.2 Copper-nickel-cobalt mining wastewater treatment process should adopt coagulation sedimentation method, lime neutralization method, high concentration mud method, vulcanization method, Membrane separation method, adsorption method, biochemical method, and the like. The wastewater treatment process and the treatment of the effluent are shown in Figure 1. 7Fig. 1 Process map of copper-nickel-cobalt mining wastewater treatment process 6.2.3 Coagulation and sedimentation method is suitable for the treatment of mining and ore dressing wastewater with low pollution level, and can also be used for pretreatment of other treatment processes. deal with. 6.2.4 Lime neutralization method, high-density mud method (HDS method) is applicable to the treatment of acidic wastewater generated by mining and beneficiation. The water quality is highly applicable; the high-density mud method can be used for the modification of the conventional lime neutralization method. 6.2.5 Vulcanization method and membrane separation method are suitable for treating acidic wastewater containing copper concentration above 80mg/L for recovery of valuable metals; In order to ensure that the effluent is up to standard, it is generally required to be combined with......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 2056-2018_English be delivered?Answer: Upon your order, we will start to translate HJ 2056-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of HJ 2056-2018_English with my colleagues?Answer: Yes. 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