Using the clean conversion of syngas, directly produce high-value-added fine chemicals such as high-carbon alcohols-a new technology has completed 10,000-ton industrial tests recently. On the 26th, it was approved by the China Petroleum and Chemical Industry Federation in Beijing. Identification of scientific and technological achievements.
Syngas is a raw material gas used for chemical synthesis with hydrogen and carbon monoxide as the main components. It is derived from coal, petroleum, natural gas, coke oven gas, sludge, and biomass. Under the action of a catalyst, syngas can produce a series of chemicals, but it usually requires "multiple steps" and the cost rises accordingly.
The above technology innovatively uses the new cobalt-cobalt carbide-based catalyst supported on carbon materials developed by the Dalian Institute of Chemical Physics, Chinese Academy of Sciences to complete the world ’s first one-step synthesis of high-carbon alcohol co-production liquid in a large slurry bed reactor. 10,000-ton industrial test of fuel. Experts of the appraisal committee agreed that the catalyst has 11 authorized invention patents, which are original technologies with advanced indicators and strong applicability, ranking the international leading level.
High-carbon alcohol is an important fine chemical raw material, used to synthesize plasticizers, detergents, surfactants and a variety of fine chemicals. Its post-processed products are widely used in textiles, papermaking, medicine and other fields. The promotion and implementation of this project is expected to provide a cheap and sufficient source of high-carbon alcohol raw materials for the fine chemical industry.
In addition, the project can change the ratio of high-carbon alcohol to liquid fuel in the product by modulating the catalyst, improving the economic benefits of coal-to-fuel enterprises.
The project was jointly launched by Dalian Institute of Chemical Engineering and Chinese Academy of Sciences and Shaanxi Yanchang Petroleum Yulin Coal Chemical Co., Ltd., and was officially launched in 2018. From October 31 to November 3 this year, the industrial test passed the continuous 72-hour catalyst performance assessment organized by the China Petroleum and Chemical Industry Federation. Under the condition of 30% of the device load, the total synthesis gas conversion rate is greater than 84%, the methane selectivity is less than 6%, and the total alcohol / aldehyde selectivity is higher than 42%.
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