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In the face of the dual pressures of resources and environment, Jinchang City, Gansu Province has adhered to the concept of comprehensive utilization of resources and supporting industrial recycling, and adhered to planning as a leader, enterprises as the mainstay, projects as support, and technology as a platform to continuously extend the chemical industrial chain. Formed a small cycle of enterprises, the industry in the cycle, the regional cycle of chemical recycling economy development pattern and Jinchang characteristics of the development model.
In recent years, relying on its abundant resource advantages, Jinchang City has actively introduced domestic strong enterprises, and has joined hands with the development of a recycling economy represented by chemical industry, turning resource advantages into economic advantages. Up to now, more than 20 domestic strong chemical companies such as Sinochem Corporation, New Hope Group and Hongfu Group have settled in Jinchang.
In Jinchang Industrial Park, with the Jinchuan Group as the core, around the group's by-product sulfuric acid, Jinchang Chemical Group, Xinchuan Chemical, Gansu Wengfu Chemical, Jinni Group, Jinchang Iron Industry Group, and Nickel Industrial Company formed a longer period. Cycle chain. In order to promote the formation of this circular chain, Jinchang City invested 40 million yuan, laid more than 20 kilometers of pipelines, the sulfuric acid of the Jinchuan Group was transported to the Hexipu Chemical Industrial Park for recycling by downstream companies.
Jinhua Group, together with Guizhou Hongfu Group and Sinochem Fertilizer Company, which owns phosphate resources, set up a company to produce ammonium phosphate. The ammonia produced by Jinhua Group is supplied to its own ammonium phosphate enterprise for production and use. Simultaneously, the soda ash produced from synthetic ammonia is used by alkali-consuming enterprises such as Jinchuan Group to produce phosphogypsum waste residue from ammonium phosphate for salt production in the province. Alkaline soil improvement is also used by Jinnui Group to produce cement.
In order to reduce sulfur dioxide emissions, Jinchuan Group produces nearly 2 million tons of sulfuric acid by-products every year. Storage and transportation are difficult problems. Xinchuan Chemical is only 200 meters away from the Jinchuan Group. The company is looking for Jinchuan Group's by-product sulfuric acid to invest and set up factories. Xinchuan Chemical consumes approximately 100,000 tons of sulfuric acid by-product of Jinchuan Group each year.
Jinchang City pays attention to the recycling of industrial waste gas and waste residue. While effectively solving the problem of atmospheric pollution that has been plagued for many years, the industrial waste gas generated from non-ferrous metal smelting processes, such as sulfur dioxide and chlorine, has been recycled for comprehensive utilization and turning waste into treasure, providing raw materials for the development of the chemical industry. The city took the opportunity of constructing a “National demonstration base for the comprehensive utilization of industrial solid wastesâ€, focusing on the implementation of copper slag beneficiation, the reduction of iron from nickel slag, the comprehensive utilization of white soot, the comprehensive utilization of calcium carbide slag, the production of cement clinker, and the treatment of phosphogypsum by Wengfu Company. Solid waste comprehensive utilization projects such as iodine recovery.
In recent years, Jinchuan Group has invested heavily in the implementation of sulfuric acid system tapping potential technological transformation, comprehensive control of copper smelting flue gas and rotary kiln flue gas acid production projects. The use of sulfur dioxide flue gas production capacity of sulfuric acid has been the end of the "Ninth Five-Year Plan" The 220,000 tons/year increase to the current 2.2 million tons/year. In 2009, Jinchuan Group put forward the general pollution control goal of "using 3 years to eradicate environmental pollution." Through unremitting efforts, in January 2012, the company's investment of 2.318 billion yuan in "blue sky clear water" project was formally put into operation, and the goal of eradicating environmental pollution in three years was achieved on schedule.
Through enterprise alliances, an industrial symbiosis system will be established, relying on the resources of sulfuric acid and chlorine, and supporting the development of the chemical recycling economy industry. Jinchang City formed on the basis of copper-nickel sulphide mining - smelting-refining - nickel-copper-cobalt depressurization, new materials, smelting tail gas - sulfur dioxide - sulfuric acid - vulcanization workers, caustic soda - chlorine - PVC - carbide slag - cement industry cycle Sulfur, phosphorus, chlorine, coal, fluorine "five chemicals" industrial chain, industrial structure from a single non-ferrous metal to chemical, new materials, building materials and other industries to expand, forming a large cycle of the park pattern.
Hexibao Chemical Recycling Economy Chemical Industry Park currently undertakes coal resources in Xinjiang and Inner Mongolia, and extends the basic chemical product industry chain. It takes the solid coke, blue carbon, calcium carbide and other products as the leader, and comprehensive utilization of exhaust gas as the link to make coal in the region, The recycling of coke, oil, and gas forms a development pattern that connects the upstream, the dry, the recycling, the recycling economy, and the industrial logistics, and realizes the goals of industrial agglomeration, enterprise concentration, resource intensive, and functional integration.
It is reported that a batch of circular economy projects in the Hexibao Circular Economy Chemical Industry Park have been started. After the completion of the project, an annual sales income of 17 billion yuan will be realized, which will become a new growth point for Jinchang Industry and an important basic chemical product production base in Gansu.
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