Selective conversion of syngas to light olefins
Dalian Institute of Chemical Physics · Chinese Academy of Sciences · +3 more institutions
Abstract
Although considerable progress has been made in direct synthesis gas (syngas) conversion to light olefins (C2(=)-C4(=)) via Fischer-Tropsch synthesis (FTS), the wide product distribution remains a challenge, with a theoretical limit of only 58% for C2-C4 hydrocarbons. We present a process that reaches C2(=)-C4(=) selectivity as high as 80% and C2-C4 94% at carbon monoxide (CO) conversion of 17%. This is enabled by a bifunctional catalyst affording two types of active sites with complementary properties. The partially reduced oxide surface (ZnCrO(x)) activates CO and H2, and C-C coupling is subsequently manipulated within the confined acidic pores of zeolites. No obvious deactivation is observed within 110…
Citation impact
- FWCI
- 55.56
- Percentile
- 100%
- References
- 29
Authors
21- FJFeng JiaoCorresponding
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Collaborative Innovation Center of Chemistry for Energy Materials
- JLJinjing Li
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Collaborative Innovation Center of Chemistry for Energy Materials
- JLJinjing LiCorresponding
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Collaborative Innovation Center of Chemistry for Energy Materials
- XPXiulian PanCorresponding
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Collaborative Innovation Center of Chemistry for Energy Materials
- JXJianping Xiao
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Collaborative Innovation Center of Chemistry for Energy Materials
Topics & keywords
- Syngas
- Catalysis
- Carbon monoxide
- Bifunctional
- Fischer–Tropsch process
- Selectivity
- Chemistry
- Chemical engineering