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GB/T 33598.2-2020 English PDF (GBT33598.2-2020)

GB/T 33598.2-2020 English PDF (GBT33598.2-2020)

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GB/T 33598.2-2020: Recycling of traction battery used in electric vehicle -- Recycling -- Part 2: Materials recycling requirements

This part of GB/T33598 specifies the terms and definitions, general requirements, pollution control and management requirements for the recycling of traction battery used in electric vehicle. This part applies to the material recycling of lithium-ion power batteries and nickel-hydrogen power batteries used in electric vehicles.
GB/T 33598.2-2020
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 43.120
T 47
Recycling of traction battery used in electric vehicle -
Recycling - Part 2: Materials recycling requirements
ISSUED ON: MARCH 31, 2020
IMPLEMENTED ON: OCTOBER 01, 2020
Issued by: State Regulation for Market Administration;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 General requirements ... 5
5 Pollution control and management requirements ... 7
Appendix A (Informative) Recycling technology of directional recycling ... 9 Appendix B (Normative) Calculation formula ... 12
Recycling of traction battery used in electric vehicle -
Recycling - Part 2: Materials recycling requirements
1 Scope
This part of GB/T33598 specifies the terms and definitions, general
requirements, pollution control and management requirements for the recycling of traction battery used in electric vehicle.
This part applies to the material recycling of lithium-ion power batteries and nickel-hydrogen power batteries used in electric vehicles.
2 Normative references
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this standard.
GB 5085.7 Identification standards for hazardous waste - General rules
GB 8978 Integrated wastewater discharge standard
GB/T 11651 Code of practice for selection of personal protective equipments GB 12348 Emission standard for industrial enterprises noise at boundary GB 16297 Comprehensive emission standard of air pollutants
GB 18597 Standard for pollution control on hazardous waste storage
GB 18599 Standard for pollution on the storage and disposal site for general industrial solid wastes
GB/T 19596 Terminology of electric vehicles
GB 50016 Code of design on building fire protection and prevention
GB 50034 Standard for lighting design of buildings
GB 50069 Structural design code for water supply and drainage engineering structures
4.1.2 The recycling process of material recycling enterprises shall not cause secondary pollution. If hazardous waste is involved, it shall obtain the corresponding hazardous waste business license or be submitted to a third party with a hazardous waste business license.
4.1.3 Do not discard, dump, directly landfill or directly incinerate power battery cells, electrolytes, adhesives, diaphragms, etc. that have not been processed. 4.2 Personnel requirements
4.2.1 Before operation, labor protection equipment shall be worn and used in accordance with the requirements of GB/T 11651; personnel who fail to perform as required shall neither be near the work area nor operate equipment.
4.2.2 It shall master the methods of emergency response and emergency
rescue.
4.2.3 Regular physical examinations shall be made and comply with GBZ 188 regulations. The health status of personnel shall meet the requirements of the nature of work.
4.2.4 Operators shall receive pre-job training and regular training; meanwhile pass the assessment.
4.2.5 If the collection, storage, transportation of hazardous waste are involved, it shall provide corresponding professionals with professional skills to meet the requirements of environmental protection operations, safe operations, first aid knowledge.
4.3 Site requirements
4.3.1 The factory building shall meet the requirements of GBZ 1. The fire resistance rating and lighting design of the building shall meet the requirements of GB 50016 and GB 50034.
4.3.2 The plant area shall be equipped with fire extinguishers in accordance with the requirements of GB 50140; the design of water supply and drainage engineering shall meet the requirements of GB 50069.
4.3.3 The workshop shall be equipped with ventilation equipment, waste liquid treatment facilities and waste residue collection facilities.
4.4 Processing requirements
4.4.1 The recycling shall meet the requirements of relevant standards such as YS/T 1174.
4.4.2 The recycling shall follow the principles of safety, environmental protection A.3 Physical treatment
A.3.1 Discharge treatment
Discharge treatment shall be carried out in accordance with the discharge specifications established by the company.
A.3.2 Disassembly
A.3.2.1 Manual disassembly is not allowed. It should use automated
mechanical equipment for disassembly.
A.3.2.2 After disassembly, collect the housing, batteries, electrolyte, etc., in categories and treat the generated exhaust gas.
A.3.3 Pyrolysis
A.3.3.1 It should use a pyrolysis system to pyrolyze the disassembled products to remove organic matter.
A.3.3.2 The pyrolysis system shall be equipped with waste gas, dust treatment equipment and solid collection facilities.
A.3.4 Crushing and sorting
A.3.4.1 Crushing and sorting shall meet the requirements of YS/T 1174.
A.3.4.2 Priority shall be given to the selection of processes with high material recycling rate. The crushing should be automated; the sorting should be screening, air separation, or magnetic separation.
A.3.4.3 Before crushing, it shall remove iron blocks and other hard materials; before sorting, it should ensure the dryness of materials.
A.3.4.4 Soft-pack batteries and cylindrical batteries should adopt overall crushing technology to improve safety, environmental protection and production efficiency.
A.3.4.5 After the lithium ion power battery is sorted, copper powder, aluminum powder, iron powder and selected electrode materials for smelting are obtained; after the nickel-hydrogen power battery is sorted, iron powder and selected electrode materials for smelting are obtained.
A.4 Hydrometallurgy
A.4.1 Leaching
During the leaching process, the solid-to-liquid ratio of the selected electrode material for smelting and the leaching solution should be controlled within an

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