Behavior of CaO/CuO based composite in a combined calcium and copper chemical looping process

Qin, Changlei, Yin, Junjun, Liu, Wenqiang, An, Hui and Feng, Bo (2012) Behavior of CaO/CuO based composite in a combined calcium and copper chemical looping process. Industrial and Engineering Chemistry Research, 51 38: 12274-12281.


Author Qin, Changlei
Yin, Junjun
Liu, Wenqiang
An, Hui
Feng, Bo
Title Behavior of CaO/CuO based composite in a combined calcium and copper chemical looping process
Journal name Industrial and Engineering Chemistry Research  (ERA 2012 Listed)    (ERA 2010 Rank A)   Check publisher's open access policy
Publication date 2012-09
Sub-type Article
DOI 10.1021/ie300677s
Volume number 51
Issue number 38
ISSN 0888-5885; 1520-5045
Start page 12274
End page 12281
Total pages 8
Place of publication Washington, DC United States
Publisher American Chemical Society
Collection year 2013
Language eng
Formatted abstract Integration of chemical looping combustion into calcium looping is an attractive approach to solving the problem of energy requirement for the regeneration of CaO-based sorbent. In this work, the behavior of MgO supported CaO/CuO composite in the new combined process (CaCuCL) was investigated. The composite was prepared via a simple wet mixing method and measured via a thermogravimetric analyzer for its chemical performance. It appears that the component of Cu/CuO has a significant influence on the cyclic performance of CaO, which is probably caused by the "wrapping" of Cu/CuO outside, due to its low melting point. However, this negative effect can be greatly reduced by using appropriate operating conditions in the successive reactions. When tested for 68 cycles, all synthetic sorbents showed good reactivity and stability of the Cu/CuO component, although loss-in-capacity of CaO was stilled observed
Keyword Co2 Capture Process
Hydrogen production
Oxygen Carriers
Combustion
Sorbents
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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