[Ten years of development in chemical technology] 039-2020 The world’s first 5,000 tons/year CO2 hydrogenation to methanol industrial test device passed the assessment

Since 2012, with the support of key and major scientific research projects such as the Chinese Academy of Sciences and the Shanghai Municipal Science and Technology Commission, the team of Sun Yuhan and Wang Hui of the Shanghai Institute of Advanced Studies, Chinese Academy of Sciences, has developed a new type of nanocomposite oxide efficient copper-based catalyst with independent intellectual property rights, which solves the problems of low carbon dioxide conversion rate and easy catalyst deactivation. After 4000 hours of stability experiments and industrial single-tube verification of the catalyst, an industrial catalyst with independent intellectual property rights and its scale-up production process have been formed, and large-scale industrial production has been achieved. On this basis, CNOOC Offshore Oil Fudao Company, the Shanghai Institute of Advanced Studies of the Chinese Academy of Sciences and China Chengda Engineering Co., Ltd. cooperated to carry out a 5 000 t/a industrial test. In July 2020, the industrial test device was successfully launched for the first time, opening up the entire process, producing qualified products, and achieving stable operation. All indicators met the design requirements.

On September 25, 2020, the China Petroleum and Chemical Industry Federation organized experts to conduct on-site assessment and technical evaluation. Researcher Wang Hui of the Shanghai Institute of Advanced Studies, Chinese Academy of Sciences, reported on the research progress of key technologies for carbon dioxide hydrogenation to methanol and the operation of industrial test equipment on behalf of the three cooperating parties. Academicians Han Buxing and Academician Chen Jianfeng presided over the meeting. After listening to the work report, research report, novelty report and assessment report, the experts agreed that this technology has solved the core problem for my country's large-scale carbon dioxide resource utilization. Compared with similar technologies at home and abroad, the main technical indicators are advanced, which has laid a good foundation for large-scale industrial applications. It is recommended to speed up the industrialization process of the project. This technology can be combined with my country's hydrogen-rich industries (propane dehydrogenation, ethane cracking, coke oven gas and chlor-alkali) in the near future to achieve the synthesis of low-cost green methanol and drive the transformation and upgrading of my country's traditional industries. ； In the medium to long term, with the advancement of electrolytic hydrogen production technology and the reduction of costs, it can be connected with renewable energy/nuclear energy hydrogen production to achieve carbon-negative methanol synthesis and promote the formation of a cyclic, sustainable green and clean energy ecology.

Solved two problems: One is the problems of solar and wind power generation, electrolysis of hydrogen production, and hydrogen energy transportation. ； The second is the problem of CO2 hydrogenation to methanol to achieve energy conversion and CO2 emissions.

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