Effects of preparation methods on the performance of InZr/SAPO-34 composite catalysts for CO2 hydrogenation to light olefins

Q3 Energy 燃料化学学报 Pub Date : 2024-05-29 DOI:10.1016/S1872-5813(23)60433-0

Shuai GUO , Likui FENG , Zhiyong YU , Di XU , Kaidi LIU , Xiaoning SONG , Yijie CHENG , Qiuyang CAO , Guanghui WANG , Mingyue DING

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Abstract

Light olefins are of great importance as chemical raw materials, and ethylene is a crucial symbol to evaluate the development level of petrochemical industry. Catalytic hydrogenation of CO₂ to light olefins is one of the most vital approaches to utilize CO₂ with high added valued. InZr/SAPO-34 composite catalyst shows prominent potential in research and application because of their high light olefins selectivity and high stability in CO₂ hydrogenation. In this study, the effects of different preparation methods of InZr/SAPO-34 composite catalyst for CO₂ hydrogenation to light olefins were studied in depth. The catalyst prepared by co-precipitation method showed the highest catalytic activity, and the catalyst prepared by sol-gel-precipitation method showed the highest light olefins selectivity. The structure-activity relationship of InZr/SAPO-34 catalysts were revealed by various characterization methods.

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制备方法对 InZr/SAPO-34 复合催化剂用于 CO2 加氢制轻烯烃性能的影响

轻烯烃是非常重要的化工原料，而乙烯则是评价石化工业发展水平的重要标志。催化 CO2 加氢制取轻烯烃是高附加值利用 CO2 的重要方法之一。InZr/SAPO-34 复合催化剂在二氧化碳加氢过程中具有高轻烯烃选择性和高稳定性，因此在研究和应用方面具有突出的潜力。本研究深入探讨了 InZr/SAPO-34 复合催化剂不同制备方法对 CO2 加氢制轻烯烃的影响。共沉淀法制备的催化剂具有最高的催化活性，溶胶-凝胶-沉淀法制备的催化剂具有最高的轻烯烃选择性。各种表征方法揭示了 InZr/SAPO-34 催化剂的结构-活性关系。

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来源期刊

燃料化学学报 Chemical Engineering-Chemical Engineering (all)

CiteScore

2.80

自引率

0.00%

发文量

5825

期刊介绍： Journal of Fuel Chemistry and Technology (Ranliao Huaxue Xuebao) is a Chinese Academy of Sciences(CAS) journal started in 1956, sponsored by the Chinese Chemical Society and the Institute of Coal Chemistry, Chinese Academy of Sciences(CAS). The journal is published bimonthly by Science Press in China and widely distributed in about 20 countries. Journal of Fuel Chemistry and Technology publishes reports of both basic and applied research in the chemistry and chemical engineering of many energy sources, including that involved in the nature, processing and utilization of coal, petroleum, oil shale, natural gas, biomass and synfuels, as well as related subjects of increasing interest such as C1 chemistry, pollutions control and new catalytic materials. Types of publications include original research articles, short communications, research notes and reviews. Both domestic and international contributors are welcome. Manuscripts written in Chinese or English will be accepted. Additional English titles, abstracts and key words should be included in Chinese manuscripts. All manuscripts are subject to critical review by the editorial committee, which is composed of about 10 foreign and 50 Chinese experts in fuel science. Journal of Fuel Chemistry and Technology has been a source of primary research work in fuel chemistry as a Chinese core scientific periodical.