Inner Mongolia Sanlian Chemical invests 4 billion yuan to upgrade the 600,000-ton calcium carbide slag comprehensive utilization project
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! Inner Mongolia Sanlian Chemical invests 4 billion yuan to upgrade its 600,000-ton calcium carbide slag comprehensive utilization project – Project launch date: 2025-06-05. Recently, the Hohhot Ecology and Environment Bureau issued a public notice regarding the acceptance of the environmental impact assessment report for Inner Mongolia Sanlian Chemical Co., Ltd.’s project aimed at upgrading its production capacity to 400,000 tons of caustic soda per year and 400,000 tons of polyvinyl chloride per year. Project Name: Relocation, Upgrade and Transformation Project for 400,000 tons of caustic soda per year and 400,000 tons of polyvinyl chloride per yearConstruction Unit: Inner Mongolia Sanlian Chemical Group Company
Construction Location: Qingshuihe Economic Development Zone, Hohhot
Construction Investment: The total investment amounts to 3,881,610,700 yuan, of which 43,300,000 yuan is allocated to environmental protection measures, accounting for 1.12% of the total investment
Project Nature: New construction (relocation)
Construction Content: Construction of a new caustic soda production facility with an annual capacity of 400,000 tons, a new polyvinyl chloride production facility with an annual capacity of 400,000 tons, and a facility for the comprehensive utilization of calcium carbide slag with an annual capacity of 600,000 tons. The entire project will be constructed in two phases. The capacity of each phase of construction is a polyvinyl chloride plant with an annual output of 200,000 tons, a caustic soda plant with an annual output of 200,000 tons, and a plant for the comprehensive utilization of calcium carbide slag with an annual output of 300,000 tons. The Inner Mongolia Sanlian Chemical Group Company is located in the Jinshan Economic Development Zone in Hohhot, which not only severely restricts the company’s ability to grow and develop but also does not align with the municipal government’s industrial planning for the Jinshan Development Zone. Inner Mongolia Sanlian Chemical Group plans to relocate its production facilities for caustic soda, polyvinyl chloride, calcium carbide, etc. to the Tuoqing Industrial Park. Through relocation, upgrading, and transformation, the chlor-alkali industry is promoted to undergo transformation and development through independent innovation and technological progress. The new project will employ a range of new technologies, including large-scale closed calcium carbide furnaces, advanced dry-process acetylene production methods, ion membrane electrolyzers with zero membrane electrode distance, domestically produced ion membranes, mercury-free catalysts, large-scale polymerization reactors, and the use of recycled calcium carbide slag to produce desulfurization agents. Achieve green and low-carbon development in the calcium carbide and chlor-alkali industries, promote the adoption of advanced energy-saving technologies, foster the establishment of a green circular industrial chain in the calcium carbide–polyvinyl chloride sector, and contribute to the achievement of the \"dual carbon\" goals. Inner Mongolia Sanlian Chemical Co., Ltd. is a chemical enterprise whose core products include polyvinyl chloride, calcium carbide, and caustic soda; it is a subsidiary of the Inner Mongolia Sanlian Chemical Group. Inner Mongolia Sanlian Chemical Group is a large-scale chlor-alkali chemical enterprise. Its predecessor was Hohhot Chemical Plant, which was established in 1958. In 1998, it was restructured into Inner Mongolia Sanlian Chemical Co., Ltd., after which Inner Mongolia Sanlian Chemical Group was founded. The main companies under the group are Inner Mongolia Sanlian Chemical Co., Ltd. and Inner Mongolia Sanlian Jinshan Chemical Co., Ltd., which are located in the same factory complex. Inner Mongolia Sanlian Jinshan Chemical Co., Ltd. is a wholly-owned subsidiary of Inner Mongolia Sanlian Chemical Co., Ltd. The main products of Inner Mongolia Sanlian Chemical Co., Ltd. include polyvinyl chloride, caustic soda, desulfurizing agents, hydrochloric acid, and calcium carbide, while the main products of Inner Mongolia Sanlian Jinshan Chemical Co., Ltd. are polyvinyl chloride, caustic soda, and hydrochloric acid.