HJ 1090-2020 English PDFUS$419.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. HJ 1090-2020: Technical specifications for arsenic-containing solid waste stabilization Status: Valid
Basic dataStandard ID: HJ 1090-2020 (HJ1090-2020)Description (Translated English): Technical specifications for arsenic-containing solid waste stabilization Sector / Industry: Environmental Protection Industry Standard Word Count Estimation: 18,171 Date of Issue: 2020 Date of Implementation: 2020-01-13 Issuing agency(ies): Ministry of Ecology and Environment HJ 1090-2020: Technical specifications for arsenic-containing solid waste stabilization---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 arsenic-containing solid waste stabilization National Environmental Protection Standards of the People's Republic of China Technical specifications for arsenic slag stabilization and disposal engineering 2020-01-14 release 2020-01-14 Implementation Issued by the Ministry of Ecology and Environment Table of contentsForeword...I 1 Scope of application...1 2 Normative references...1 3 Terms and definitions...2 4 Source and classification of arsenic slag...3 5 General requirements...3 6 Process design...4 7 Main process equipment and materials...9 8 Inspection and process control...10 9 Main auxiliary projects...11 10 Work Safety and Occupational Health...12 11 Construction and acceptance...12 12 Operation and maintenance...13ForewordTo 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 Environmental Pollution by Solid Waste" and other laws Laws and regulations, prevent and control environmental pollution, improve the quality of the ecological environment, regulate the construction and operation management of arsenic slag stabilization Set this standard. This standard specifies the overall requirements, process design, main process equipment and materials, testing and Technical requirements for process control, main auxiliary engineering, labor safety and occupational health, construction and acceptance, operation and maintenance. This standard is a guiding standard. This standard is issued for the first time. This standard was formulated by the Department of Science, Technology and Finance, and the Department of Regulations and Standards of the Ministry of Ecology and Environment. The main drafting organizations of this standard. Central South University, Sainz Environmental Protection Co., Ltd., Hunan Academy of Environmental Protection Sciences. This standard was approved by the Ministry of Ecology and Environment on January 13, 2020. This standard will be implemented on January 14, 2020. This standard is interpreted by the Ministry of Ecology and Environment. Technical specifications for arsenic slag stabilization and disposal engineering1 Scope of applicationThis standard specifies the overall requirements, process design, main process equipment and materials, testing and Process control, main auxiliary engineering, labor safety and occupational health, construction and acceptance, operation and maintenance, etc. This standard applies to non-ferrous metal smelting processes that do not have economic recovery value and belong to the final entry of hazardous waste. The stabilization and disposal of arsenic-containing solid waste in the landfill can be used as the environmental impact assessment and feasibility of the non-ferrous metal smelting construction project Research and technical basis for arsenic slag stabilization treatment project design and construction, completion acceptance, operation and management after completion.2 Normative referencesThe content of this standard refers to the terms in the following documents. For undated reference documents, their valid versions (including amendments) are applicable to this standard. GB 3096 Acoustic Environmental Quality Standard GB 5085.1 Identification Standard of Hazardous Waste Corrosion Identification GB 5085.3 Identification Standard for Hazardous Wastes Identification of Extractive Toxicity GB 5085.6 Identification standard for hazardous waste identification of toxic substance content GB 8978 Integrated Wastewater Discharge Standard GB 12348 Environmental Noise Emission Standard at the Boundary of Industrial Enterprises GB/T 12801 General Principles of Safety and Health Requirements for Production Process GB/T 14848 Groundwater Quality Standard GB 16297 Comprehensive Emission Standard of Air Pollutants GB 18597 Pollution Control Standard for Hazardous Waste Storage GB 18598 Pollution Control Standard for Hazardous Waste Landfill GB 50015 Code for Design of Building Water Supply and Drainage GB 50016 Code for fire protection of building design GB 50019 Design Code for Heating, Ventilation and Air Conditioning of Industrial Buildings GB 50034 Architectural Lighting Design Standard GB 50037 Building Ground Design Code GB 50052 Code for Design of Power Supply and Distribution System GB 50054 Low Voltage Power Distribution Design Code GB 50187 General Layout Design Specification for Industrial Enterprises GB 50194 Safety Code for Power Supply and Use at Construction Site GB/T 50326 Construction Project Management Code GB 50988 Non-ferrous metal industry environmental protection engineering design code GB J 22 Factory and Mine Road Design Code GBZ 1 Hygienic Standard for Design of Industrial Enterprises GBZ 2.1 Occupational Exposure Limits for Hazardous Factors in the Workplace Part 1.Chemical Hazardous Factors HJ/T 20 Technical Specification for Sampling and Sample Preparation of Industrial Solid Waste HJ/T 298 Technical Specification for Identification of Hazardous Wastes HJ 2020 General Technical Specification for Bag Dust Removal Engineering HJ 2025 Technical specification for hazardous waste collection, storage and transportation HJ 2042 Technical Guidelines for Hazardous Waste Disposal Engineering "Measures for Completion Inspection and Acceptance of Construction Projects (Engineering)" (Ji Jian Jian [1990] No. 1215) "Regulations on Environmental Protection Management of Construction Projects" (Guo Decree No. 682) "Interim Measures for the Acceptance of Environmental Protection of Construction Projects" (National Environmental Planning and Environmental Assessment [2017] No. 4)3 Terms and definitionsThe following terms and definitions apply to this standard. 3.1 arsenic-containing solid waste The non-ferrous metal smelting process produces arsenic-containing solid wastes that do not have economic recovery value and are hazardous wastes. 3.2 Arsenic-containing solid waste stabilization Through physical, chemical or the synergy of the two, the arsenic and other heavy metals in the arsenic slag are transformed into a stable form or fixed In a dense inclusion with a certain strength, it can reduce the mobility of arsenic and other heavy metals and reduce the risk of environmental pollution by arsenic slag. Arsenic slag stabilization includes arsenic slag mineralization stabilization, arsenic slag gel coagulation stabilization, and the combined stabilization of the two. 3.3 Arsenic-containing solid waste mineralization The arsenic and other heavy metals in the arsenic slag form stable compounds through the synergistic effect of chemical agents and mechanical forces, making it have The chemical stability, leaching toxicity and corrosiveness of natural minerals meet the requirements of relevant standards and realize stabilization. 3.4 Arsenic-containing solid waste gelling solidification Use inorganic or organic gelling agents to physically wrap the arsenic and other heavy metals in the arsenic slag, combined with chemical adsorption and ion Exchange, precipitation reaction, etc., fix arsenic and other heavy metals in dense inclusions of a certain strength, leaching toxicity and corrosiveness Meet the requirements of relevant standards and achieve stabilization.4 Source and classification of arsenic residue4.1 Arsenic slag is mainly derived from the smelting process of non-ferrous metals. According to the main occurrence of arsenic, it is divided into oxide arsenic slag and arsenate Arsenic slag, sulfide arsenic slag and their mixtures. 4.1.1 Oxide-type arsenic slag is produced by pyrometallurgical processes such as roasting, smelting, blowing, and pyro-refining, mainly including slag. 4.1.2 Arsenate arsenic slag is produced by the process of lime neutralization, lime-iron salt treatment of arsenic-containing waste acid and wastewater, or by crude antimony concentrate The process of arsenic removal mainly includes neutralization slag, primary arsenic alkali slag, and secondary arsenic alkali slag. 4.1.3 Sulfide arsenic slag is produced by the process of treating arsenic-containing waste acid by the sulfidation method, and mainly includes arsenic filter cake and arsenic sulfide residue. 4.2 The main occurrence form, leaching toxicity, corrosivity (pH), and arsenic content of arsenic in arsenic slag should be sampled and analyzed before engineering design. Analyze and use the test results as an important basis for the stabilization engineering design.5 General requirements5.1 General provisions 5.1.1 The design of the arsenic slag stabilization treatment project should comply with the relevant provisions of the current national laws, regulations, standards and specifications. 5.1.3 The stabilization of arsenic slag should be guided by market demand, combined with the production conditions and process characteristics of the enterprise, and both cost and benefit should be taken into consideration. It adopts high-efficiency, safe and reliable processing technology due to various comprehensive factors. 5.1.4 After stabilization, the arsenic slag should be safely landfilled and should meet the relevant regulations in GB 18598. 5.2 Project composition 5.2.1 The project mainly includes the main project, auxiliary projects and supporting facilities. 5.2.2 The main project includes pretreatment unit, feeding unit, dosing unit, stabilization (mineralization/solidification) unit, maintenance unit, etc. 5.2.3 Auxiliary works include water supply and drainage and fire fighting system, power distribution room, remote control room, inspection and analysis room, equipment maintenance and overhaul vehicles Room, video surveillance system, processing workshop plant, fence, external road, surrounding greening project, etc. 5.2.4 Supporting facilities include offices, restrooms, toilets, bathrooms, changing rooms and other living facilities. 5.3 Site selection 5.3.1 The site selection of the arsenic slag stabilization treatment site should comply with the relevant regulations of HJ 2042. 5.3.2 The site selection and construction of temporary storage facilities for arsenic slag should comply with the relevant regulations of GB 18597. 5.4 General layout 5.4.1 The arsenic slag stabilization treatment site is composed of a treatment area and a production management area. The treatment area includes the arsenic slag receiving and storage area and stabilization treatment Area, arsenic residue storage (maintenance) area after treatment; production management area includes office area, maintenance area, etc. 5.4.2 The general layout should comply with the relevant regulations of GB 50187 and HJ 2042.6 Process design6.1 General provisions 6.1.1 The selection of arsenic slag stabilization treatment process should be based on the main occurrence of arsenic in the arsenic slag, leaching toxicity, corrosivity (pH), Related properties such as arsenic content, follow the principle of “classification treatment”, and under the goal of stabilization, choose mature and stable, low (no) two Sub-pollution, economical and reasonable technical route. 6.1.2 The design of arsenic slag stabilization treatment process should comply with the following principles. a) The treatment system should have the functions of collection, temporary storage, stabilization, process monitoring and emergency treatment; b) The treatment of waste water and waste gas that may be generated during the treatment process should be considered to prevent secondary pollution; c) The design of the treatment system should select equipment and facilities with low energy consumption and low noise. 6.1.3 The ground anti-seepage design of the arsenic slag stabilization treatment site should meet the relevant regulations of GB 18597. 6.2 Process selection 6.2.1 The selection of arsenic slag stabilization treatment process should be based on the main arsenic occurrence form, leaching toxicity, corrosivity (pH), arsenic content The stabilization process should be reasonably selected for the related properties such as the amount and the amount. The characteristics of arsenic slag and the recommended process are shown in Table 1. 6.2.2 The sulfide-type arsenic slag and the mixed arsenic slag containing sulfide-type arsenic slag should adopt the mineralization stabilization process; the arsenate-type arsenic slag should be adopted Mineralization stabilization process or gel coagulation stabilization process; arsenic oxide slag should adopt gel coagulation stabilization process. 6.2.3 The arsenic slag that still cannot meet the requirements of 5.1.4 after treatment with the recommended process in 6.2.2 shall be stabilized by mineralization-gel coagulation Chemical combined treatment process. 6.3 Process design requirements 6.3.1 Collection, storage and transportation of arsenic residue before stabilization 6.3.1.1 The arsenic slag producing enterprise shall classify and store the arsenic in the arsenic slag according to the main occurrence form of arsenic in order to facilitate the selection of subsequent treatment processes. 6.3.1.2 The collection, storage and transfer of arsenic slag shall comply with the relevant regulations of HJ 2025. 6.3.2 Mineralization and stabilization process of arsenic slag 6.3.2.1 The arsenic slag mineralization stabilization process consists of a pretreatment unit, a feeding unit, a dosing unit, a mineralization stabilization unit, and a curing unit The basic process flow that should be adopted is shown in Figure 1. 6.3.2.2 Each unit of the arsenic slag mineralization stabilization process shall meet the following technical requirements. ① Pretreatment unit a) The pretreatment unit is mainly composed of drying facilities, humidification facilities, or crushing facilities; b) The moisture content of arsenic slag should be 40% ~ 55%. When the moisture content is less than 40% and there is a hidden danger of dust pollution, humidification should be performed Treatment; when the moisture content is higher than 55%, drying treatment should be carried out; c) The particle size of the arsenic slag should be smaller than the 40 mesh sieve aperture. When the particle size is larger than the 40 mesh sieve aperture, it should be crushed. ② Feeding unit a) The feeding unit is mainly composed of conveying equipment, storage bins and metering equipment; b) During the transportation process, the extrusion and crushing of materials should be reduced to prevent the adhesion of slag materials from obstructing transportation; c) The effective volume of the storage bin should not be less than the volume of the 24 h arsenic residue treatment volume; d) The outer wall of the storage bin and the measuring equipment bin should be equipped with a vibration motor to reduce the adhesion of slag and assist in unloading. ③ Dosing unit a) The dosing unit is mainly composed of a drug storage tank, a drug delivery device and a metering device; b) The solid powder medicament storage tank should be equipped with a level gauge, and the bottom should be equipped with recoil gas facilities to prevent material blockage; c) The outer wall of the metering equipment silo should be equipped with a vibration motor to assist in unloading; d) The design of the liquid medicine storage tank and storage area complies with the relevant regulations of GB 50016; e) Mineralization agents include alkaline agents such as calcium hydroxide, magnesium hydroxide, aluminum hydroxide, calcium oxide, magnesium oxide, iron oxide, Alumina, etc., acidic agents such as calcium chloride, ferric chloride, and iron sulfate, and oxidizing agents such as hydrogen peroxide, chlorate, hypochlorite, etc. The particle size of the solid powder medicament should be less than.200 mesh sieve aperture, the effective content should not be less than 60%, the effective ingredient content of the liquid medicament should be 25% ~ 30 %. According to the requirements of the mineralization process, the types, specifications and dosage ratio of mineralization agents shall be determined through experiments; f) When arsenate arsenic slag is subjected to mineralization stabilization, the adding ratio of mineralizer (weight of arsenic slag. weight of mineralizer) should be 20.1 ~ 4.1, the response time should be 10 min ~ 30 min; g) When sulfide arsenic slag is subjected to mineralization and stabilization, the dosage of mineralizer (weight of arsenic slag. weight of mineralizer) should be 5.1 ~ 0.5.1, the reaction time should be 120 min ~ 240 min. ④ Mineralization stabilization unit a) The mineralization stabilization unit is mainly composed of powerful mixers and dust removal facilities to stabilize the mineralization of sulfide arsenic slag and arsenic alkali slag It should be equipped with water vapor collection and purification facilities; b) The drive motor of the powerful mixer should be a variable frequency motor, and the maximum speed should be less than.200 r/min. The inner wall and bottom of the mixer Equipped with scraper to prevent material adhesion; c) The powerful mixer should be equipped with an expansion chamber and sealed connection to maintain the internal air pressure of the mixer to ensure smooth feeding and unloading; d) After the mineralization and stabilization of arsenic slag, it should be packaged in anti-seepage ton bags or compatible containers and transferred to the maintenance unit. ⑤ Maintenance unit a) The maintenance unit is mainly composed of maintenance workshops, dust removal facilities, ventilation facilities and heating facilities; b) The maintenance workshop should be designed as a closed workshop with ventilation facilities; c) The curing time is 1 d ~ 3 d, and the curing temperature should be higher than 5 ℃; d) The area of the maintenance workshop should be determined according to the maximum treatment capacity of arsenic slag and the maintenance time. 6.3.3 The coagulation and stabilization process of arsenic residue glue 6.3.3.1 The coagulation and stabilization process of arsenic slag glue consists of pretreatment unit, feeding unit, dosing unit, curing unit, forming unit, The basic process flow of the maintenance unit and other components is shown in Figure 2. 6.3.3.2 Each unit of the arsenic residue glue coagulation stabilization process shall meet the following technical requirements. ① Pretreatment unit a) The pretreatment unit is composed of drying facilities, humidification facilities, or crushing facilities; b) The moisture content of the arsenic slag should be 20% ~ 35%. When the moisture content is less than 20% and there is a hidden danger of dust pollution, humidification should be performed; When the moisture content is higher than 35%, it should be dried; c) The particle size of the arsenic slag should be smaller than the 40 mesh sieve aperture. When the particle size is larger than the 40 mesh sieve aperture, it should be crushed. ② Feeding unit The technical requirements of the dosing unit refer to the provisions of 6.3.2.2. ③ Dosing unit a) The dosing unit is mainly composed of a drug storage tank, a drug delivery device and a metering device; d) The gelling agent can be organic imitation polyester gelling agent, phosphate gelling agent, slag gelling agent, cement or smelting water quenching slag with gelling activity; e) The stabilizer should adopt Fe-Mn composite st......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 1090-2020_English be delivered?Answer: Upon your order, we will start to translate HJ 1090-2020_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 1090-2020_English with my colleagues?Answer: Yes. The purchased PDF of HJ 1090-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. |
