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Mixed oxygen ionic-carbonate ionic conductor membrane reactor for coupling CO2 capture with in situ methanation
  • +4
  • Bingjie Pang,
  • Peng Zhang,
  • Zhongwei Cao,
  • Song Wang,
  • Jingjing Tong,
  • Xuefeng ZHU,
  • Weishen Yang
Bingjie Pang
Dalian Institute of Chemical Physics State Key Laboratory of Catalysis

Corresponding Author:pangbj@dicp.ac.cn

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Peng Zhang
Dalian Institute of Chemical Physics State Key Laboratory of Catalysis
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Zhongwei Cao
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
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Song Wang
Dalian Maritime University
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Jingjing Tong
Dalian Maritime University
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Xuefeng ZHU
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
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Weishen Yang
Dalian Inst. Chem. Physics, Chinese Academy of Science
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Abstract

CO2 methanation is one of the vital reactions to utilize CO2 and realize power to gas process. To decrease the CO2 capture cost and alleviate the hot spots during the strong exothermic methanation reaction, here, we report a coupling of CO2 capture process with in situ CO2 methanation process through a ceramic-molten carbonate (MC) dual phase membrane reactor over the Ni-based catalyst. The performance of the membrane reactor was systematically investigated and compared with the traditional fixed-bed reactor. The results show that the performance of the membrane reactor is higher than that of the fixed-bed reactor, since the produced steam through the methanation process can be partially removed through the dual-phase membrane, which promotes the reaction shift to right side. A stability test shows no obvious degradation within 32 h. These results indicate that the membrane reactor is promising for coupling CO2 capture with in situ methanation process.
15 Jul 2022Submitted to AIChE Journal
16 Jul 2022Submission Checks Completed
16 Jul 2022Assigned to Editor
16 Jul 2022Reviewer(s) Assigned
24 Aug 2022Editorial Decision: Revise Minor
11 Sep 20221st Revision Received
11 Sep 2022Submission Checks Completed
11 Sep 2022Assigned to Editor
12 Sep 2022Reviewer(s) Assigned
20 Sep 2022Editorial Decision: Accept