JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2016, Vol. 46 ›› Issue (6): 76-82.doi: 10.6040/j.issn.1672-3961.0.2016.016

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Design and performance of oblique and vertical compact micro fluidized beds

LI Xiaofei1,2, WANG Lei1*, JIA Lei1, CAI Wenjian2   

  1. 1. School of Control Science and Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
  • Received:2016-01-11 Online:2016-12-20 Published:2016-01-11

Abstract: In order to reduce pressure drop and improve adsorbent utilization in the CO2 capture system using solid adsorbents, a novel oblique and vertical compact micro fluidized beds(OCMFB and CMFB)reactors were proposed. The performance of the OCMFB and CMFB reactors for CO2 capture when the volume fraction of CO2 is 0.5% using solid adsorbents were experimentally studied and compared to that of the radial flow fixed bed(RFFB)reactor. The results showed that the pressure drop in the OCMFB reactor was 82% of that in the CMFB reactor, reduced by 14%~323% compared to the RFFB reactor; the breakthrough time for CO2 adsorption in the CMFB reactor was 109% of that in the OCMFB reactor, increased by 44% compared to the RFFB reactor due to the fluidization of the adsorbents in the OCMFB and CMFB reactors other than the statics in the RFFB reactor. The attrition of the adsorbents in both OCMFB and CMFB reactors were equal to that in the RFFB reactor, but the adsorption capacity for CO2 in both OCMFB and CMFB reactors were more stable than that in the RFFB reactor after 10 cycles of CO2 capture.

Key words: radial flow fixed bed, solid adsorbents, fluidized bed, CO2 capture

CLC Number: 

  • TH69
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