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Syngas Methanation over Spray-Granulated Ni/Al2O3 Catalyst in a Laboratory Transport-Bed Reactor

Authors
  • Liu, Jiao
  • Cui, Dianmiao
  • Yu, Jian
  • Su, Fabing
  • Xu, Guangwen
Publication Date
Jan 01, 2019
Source
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
Keywords
License
Unknown
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Abstract

Syngas methanation in a laboratory transport-bed reactor has been performed. It was found that the CO conversion over the granular Ni/Al2O3 catalyst only slightly increased with the rise of aeration gas velocity for the recycling valve but severely decreased due to decreased gas residence time in the reactor. The effect of increasing the temperature of the recycled catalyst on the CO conversion at atmospheric pressure was also studied. Both the experimental temperature rise along the transport-bed reactor and the estimated heat balance involving reactions verified the high heat-transfer efficiency and its technical superiority for syngas methanation.

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