Study on the Kinetics of Chemical Looping Combustion of Copper-Based Oxygen Carrier

Yong Qiang Liu; Zhi Qi Wang; Jing Li Wu; Jin Hu Wu

doi:10.4028/www.scientific.net/AMR.724-725.1140

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 724-725Study on the Kinetics of Chemical Looping...

Study on the Kinetics of Chemical Looping Combustion of Copper-Based Oxygen Carrier

Abstract:

Kinetics is the study of rates of chemical processes, which includes investigations of how different experimental conditions can influence the speed of a chemical reaction and the reactions mechanism. In this paper, the influences of several parameters including particle size and mass of copper-based oxygen carrier, reaction gas flow rate and temperature on the conversion rate of oxygen carrier in chemical looping combustion was investigated. The results of experiment reveal that the conversion rate of oxygen carrier is influenced by the reaction temperature, mass of the oxygen carrier and the reaction gas flow rate. The conversion rate of oxygen carrier is improved with decreasing the mass of the oxygen carrier and increasing the reaction gas flow rate within a certain extent in the chemical looping combustion process. The particle size has very little effect on the conversion rate, and 800 °C is an advisable reaction temperature for chemical looping combustion process of copper-based oxygen carrier with methane and air.

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Periodical:

Advanced Materials Research (Volumes 724-725)

Pages:

1140-1144

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.724-725.1140

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Online since:

August 2013

Authors:

Yong Qiang Liu, Zhi Qi Wang*, Jing Li Wu, Jin Hu Wu

Keywords:

Chemical Looping Combustion, Conversion Rate, Copper-Based Oxygen Carrier, Kinetic

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