Environmental impact assessment application accepted for Jiangsu Nantong Shenghe New Materials’ project for the comprehensive utilization of 334,000 tons per year of NMP waste liquid, as well as the production of 20,000 tons per year of conductive paste

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Recently, the Nantong Data Bureau issued a public notice announcing that the environmental impact assessment report for Jiangsu Shenghe New Materials Technology Co., Ltd.’s project aimed at the comprehensive utilization of 334,000 tons per year of NMP waste liquid and the production of 20,000 tons per year of conductive paste has been accepted for review. As China faces the need to adjust its industrial structure during this period of economic transformation, the new energy vehicle industry has received strong support at the macro level. The demand for materials such as lithium batteries has risen sharply, and the increasing demand from end-users will directly boost the demand for auxiliary materials like NMP and carbon nanotube conductive pastes. In the production process of lithium batteries, NMP is used firstly as a coating solvent for the cathode (it can also serve as a solvent for cathode binders such as PVDF), and secondly as a solvent in the conductive pastes used in lithium batteries. A large amount of NMP waste liquid is generated during the cathode coating process. To meet the future development plans of Shenghe Energy Group and enhance its market competitiveness. Jiangsu Shenghe New Materials Technology Co., Ltd. plans to invest 530 million yuan in the Rugao Port Industrial Park to build a facility for the comprehensive utilization of 334,000 tons per year of NMP waste liquid, as well as a plant capable of producing 20,000 tons per year of conductive paste. It is mainly engaged in the production lines for the recycling of NMP waste liquid, as well as in the establishment of production lines for carbon nanotube conductive pastes. Project Overview: Project Name: Comprehensive Utilization of 334,000 tons/year of NMP wastewater and production of 20,000 tons/year of conductive paste. Nature of construction: New construction. Location: No. 9, Kangye Road, Changjiang Town, Rugao City, Nantong City. Industry category: N7723 – Solid waste treatment; N7724 – Hazardous waste treatment; C3985 – Manufacturing of electronic specialty materials. Total investment: 530 million yuan, of which 18 million yuan is allocated to environmental protection measures, accounting for 3.4% of the total investment. Land area: 26,666 m2. Construction period: 24 months, with Phase 1 running from September 2025 to August 2026 and Phase 2 from September 2026 to August 2027. Construction scope: The project will handle 334,000 tons of NMP waste liquid per year and produce 20,000 tons of conductive slurry per year, with construction carried out in phases. The construction contents for the first phase are as follows: build 2 NMP waste liquid distillation production lines, 1 NMP waste liquid (general solid waste) distillation production line, and 1 NMP waste liquid (hazardous waste) distillation production line. The design processing capacity of the distillation production line for NMP waste liquid (general solid waste) is 111,333 tons per year, while that of the distillation production line for NMP waste liquid (hazardous waste) is 55,667 tons per year; together, the total processing capacity for NMP waste liquid is 167,000 tons per year. Three production lines for carbon nanotube conductive paste will be built, with a designed production capacity of 10,000 tons per year. The construction contents for the second phase are as follows: build 2 NMP waste liquid distillation production lines, 1 NMP waste liquid (general solid waste) distillation production line, and 1 NMP waste liquid (hazardous waste) distillation production line. The design processing capacity of the distillation production line for NMP waste liquid (general solid waste) is 111,333 tons per year, while that of the distillation production line for NMP waste liquid (hazardous waste) is 55,667 tons per year; together, the total processing capacity for NMP waste liquid is 167,000 tons per year. Three production lines for carbon nanotube conductive paste will be built, with a designed production capacity of 10,000 tons per year.