Investigation of the redox performance of pyrite cinder calcined at different temperature in chemical looping combustion

Zhong Ma; Guofu Liu; Hui Zhang; Yonggang Lu

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Investigation of the redox performance of pyrite cinder calcined at different temperature in chemical looping combustion

Updated：2026-01-06

- Investigation of the redox performance of pyrite cinder calcined at different temperature in chemical looping combustion
- Chinese Journal of Chemical Engineering Vol. 48, Issue 8, Pages: 98-105(2022)
- Affiliations：
  
  1. School of Energy & Power Engineering, Jiangsu University,Zhenjiang,China,212013
  2. State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University,Yinchuan,China,750021
  3. School of Energy and Power Engineering, Qilu University of Technology (Shandong Academy of Sciences),Jinan,China,250353
  4. State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University,Yinchuan,China,750021
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2022
- Accepted：
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Zhong Ma, Guofu Liu, Hui Zhang, Yonggang Lu. Investigation of the redox performance of pyrite cinder calcined at different temperature in chemical looping combustion[J]. Chinese Journal of Chemical Engineering, 2022, 48(8): 98-105.
DOI：

Zhong Ma, Guofu Liu, Hui Zhang, Yonggang Lu. Investigation of the redox performance of pyrite cinder calcined at different temperature in chemical looping combustion[J]. Chinese Journal of Chemical Engineering, 2022, 48(8): 98-105. DOI：

摘要

Abstract

As an industrial solid waste

pyrite cinder exhibited excellent reactivity and cycle stability in chemical looping combustion. Prior to the experiment

oxygen carriers often experienced a high temperature calcination process to stabilize the physico-chemical properties

which presented significant influence on the redox performance of oxygen carriers. However

the effect of calcination temperature on the cyclic reaction performance of pyrite cinder has not been studied in detail. In this work

the effect of calcination temperature on the redox activity and attrition characteristic of pyrite cinder were studied in a fluidized-bed reactor using CH

as fuel. A series of pyrite cinder samples were prepared by controlling the calcination temperature. The redox activity and attrition rate of the obtained pyrite cinder samples were investigated deeply. The results showed that calcination temperature displayed significant impact on the redox performance of pyrite cinder. Considering CH

conversion (80%–85%) and attrition resistance

the pyrite cinder calcined at 1050?℃ presented excellent redox properties. In the whole experiment process

the CO

selectivity of the pyrite cinder samples were not affected by the calcination temperature and were still close to 100%. The results can provide reference for optimizing the calcination temperature of pyrite cinder during chemical looping process.

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