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According to the announcement, the total investment for the “200,000-ton/year C4 olefin catalytic cracking process for propylene production†is 301.96 million yuan, of which construction project construction cost is 20,200,000 yuan and current capital is 101,940,000 yuan. After completion, the production scale will be 21,800 tons/year of propylene, 10,000 tons/year of propane, and 120,000 tons/year of liquefied gas.
The company stated that C4 olefins are important petrochemical raw materials, mainly from various catalytic cracking units in refineries and steam cracking ethylene plants from petrochemical companies. At present, the use of C4 olefins includes both fuel utilization and chemical utilization. About 70% of C4 olefins are used as fuel. The added value of chemical industry is not high, and precious petroleum resources are wasted. Propylene, as an important petrochemical raw material, has an increasing demand. In the past five years, although the global propylene production capacity has increased, it is still far below the growth rate of propylene demand. The gap between supply and demand is also expanding year by year, and there will be a large surplus and cheap price. The catalytic conversion of C4 olefins to propylene can not only ease the contradiction between propylene supply and demand, but also make full use of C4 resources, which is of great significance.
The company currently has an annual production capacity of 500,000 tons of dimethyl ether and 20,000 tons of polypropylene production equipment. Among them, an annual output of 20,000 tons of polypropylene production equipment, raw materials, propylene has been tight supply, mainly from the surrounding Shaanxi, Guangdong, Guangxi and other places refinery procurement, due to higher transportation costs, resulting in the company's propylene raw material prices are high. The purpose of the company is to build a “200,000-ton/year C4 olefin catalytic cracking propylene project†with the purpose of using C4 alkenes with abundant sources and low prices as raw materials, through the development of new technologies, and production of a wide range of applications with high added value. Chemical raw material - propylene, can meet the company's polypropylene production demand, the company's polypropylene production capacity reached 20,000 tons scale, the formation of "propylene - polypropylene" industrial chain, enhance the company's core competitiveness, while producing 120,000 tons of liquefaction Qi, and the company’s existing dimethyl ether products as civilian fuels, will play a positive synergy role in the development of the civilian fuel market.
Tianmao Group announced that, in accordance with the company's development plan and the company's existing chemical production facilities, the company intends to open up the company's chemical product industry chain, comprehensively improve the company's chemical equipment synergy and improve overall efficiency, the company plans to invest 312 million yuan Construction of a "200,000-ton/year C4 olefin catalytic cracking process for propylene production."