High-temperature CO<sub>2</sub> sorbents with citrate and stearate intercalated Ca—Al hydrotalcite-like as precursor

Tao Jiang; Fei Xiao; Yujun Zhao; Shengping Wang; Xinbin Ma

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High-temperature CO₂ sorbents with citrate and stearate intercalated Ca—Al hydrotalcite-like as precursor

Separation Science and Engineering | Updated：2026-01-06

- High-temperature CO₂ sorbents with citrate and stearate intercalated Ca—Al hydrotalcite-like as precursor
- Chinese Journal of Chemical Engineering Vol. 50, Issue 10, Pages: 177-184(2022)
- Affiliations：
  
  Key Laboratory for Green Chemical Technology, School of Chemical Engineering and Technology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2022
- Accepted：
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sorbents with citrate and stearate intercalated Ca—Al hydrotalcite-like as precursor[J]. 中国化学工程学报, 2022, 50(10): 177-184.
DOI：

sorbents with citrate and stearate intercalated Ca—Al hydrotalcite-like as precursor[J]. 中国化学工程学报, 2022, 50(10): 177-184. DOI：

摘要

Abstract

one of the main components of greenhouse gases

increased rapidly because of the growing use of fossil fuels. And CaO sorbents possess the capability to be used in capture of CO

at high temperature. In the work

Ca—Al complex oxides derived from citrate and stearate intercalated layered double hydroxides were fabricated and their CO

adsorption capacity was compared with that from CO

intercalated layered double hydroxides. The results presented that the sorbents (Ca/Al = 5) with Ca—Al—citrate layered double hydroxides as precursors performed best and displayed remarkable CO

capture capacity of 52.0% (mass) at the carbonization temperature of 600 ℃ without distinct recession during cycling adsorption/desorption tests. The excellent CO

adsorption capacity of the sorbent was ascribed to its smaller crystallite size of calcinated particles

optimized pore size distribution as well as homogeneous distributed Ca and Al in the sorbent.

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High-temperature CO2 sorbents with citrate and stearate intercalated Ca—Al hydrotalcite-like as precursor

DOI：

摘要

Abstract

关键词

Keywords

references

High-temperature CO₂ sorbents with citrate and stearate intercalated Ca—Al hydrotalcite-like as precursor