Selective conversion of syngas to light olefins

Author:

Jiao Feng1,Li Jinjing1,Pan Xiulian1,Xiao Jianping1,Li Haobo1,Ma Hao1,Wei Mingming1,Pan Yang2,Zhou Zhongyue2,Li Mingrun1,Miao Shu1,Li Jian1,Zhu Yifeng1,Xiao Dong1,He Ting1,Yang Junhao1,Qi Fei2,Fu Qiang1,Bao Xinhe1

Affiliation:

1. State Key Laboratory of Catalysis, 2011-Collaborative Innovation Center of Chemistry for Energy Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian 116023, China.

2. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China.

Abstract

Small olefins from syngas The conversion of coal or natural gas to liquid fuels or chemicals often proceeds through the production of CO and H 2 . This mixture, known as syngas, is then converted to hydrocarbons with Fischer-Tropsch catalysts. For the light olefins (ethylene to butylenes) needed for chemical and polymer synthesis, conventional catalysts are mechanistically limited to <60% conversion and deactivate through carbon buildup. Jiao et al. developed a bifunctional catalyst that achieves higher conversions and avoids deactivation (see the Perspective by de Jong). A zinc-chromium oxide creates ketene intermediates that are then coupled over a zeolite. Science , this issue p. 1065 , see also p. 1030

Funder

National Natural Science Foundation of China

Ministry of Science and Technology of China

Chinese Academy of Sciences

Dalian Institute of Chemical Physics Fundamental Research Program for Clean Energy

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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