Achieve a breakthrough in industrial side-line test technology for the production of low-carbon alcohols from a 1,000-ton coal-based syngas

Under the support of the Chinese Academy of Sciences' pilot project “Key Technologies and Demonstration for Clean Coal High-efficiency Cascade Utilization” and the 863 project of the Ministry of Science and Technology, the Shanxi Coal Chemistry Research Institute of the Chinese Academy of Sciences and China Shenhua Coal-to-oil Chemical Co., Ltd. have completed a 1,000-ton coal base. Syngas to lower alcohol industrial sideline test.

This sideline installation is located at Shenhua Group Baotou Coal Chemical Co., Ltd. On the basis of opening the process in 2014, after the subsequent optimization of the process and the modification of the catalyst preparation, the device completed 1000 hours of high-load stability operation assessment in late October of this year, and the CO conversion rate reached more than 85%. The selectivity of alcohol is more than 60%, daily production of 15 tons of low-carbon alcohol, and further separation of industrial grade C1-C3 chemical alcohol products and C4+ alcohol fuel additives, this result is better than public reports at home and abroad.

After more than 20 years of research, the relevant research team of Shanxi Coal Chemical Research Institute has been making unremitting efforts for a long time, focusing on syngas-derived low-carbon alcohol technology, carrying out research on reaction mechanism, catalyst and process optimization, and developing coal-based syngas to produce high-value-added chemical alcohols and fuel additives. New catalyst and its gentler supporting process route. The first Kiloton-scale syngas to low-alcohol industrial side-line unit in China achieved long-period stability, further promoted the industrialization of the technology, and opened up a non-petroleum route to produce oxygen-containing liquids using coal-based syngas as raw materials. Diversified product pathways for fuels, oil additives, and high value-added alcoholic chemicals.

This research was supported by Royal Dutch Shell Petroleum Corporation, Henan Coal Group, Shanxi Luan Mining Group's funding and technical support and the Shanghai Institute of Advanced Studies of the Chinese Academy of Sciences in the early stage.

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