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Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 37, 2015 - Issue 22
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Original Articles

A Thermogravimetric Analysis of Co-combustion Characteristics of Biomass and Coal in an O2/CO2 Atmosphere

H. LiuSchool of Energy and Power Engineering, Shandong University, Jinan, China;SEPCO Electric Power Construction Corporation, Jinan, ChinaView further author information
,
K. HanSchool of Energy and Power Engineering, Shandong University, Jinan, ChinaView further author information
,
M. LiuSchool of Energy and Power Engineering, Shandong University, Jinan, ChinaView further author information
,
S. NiuSchool of Energy and Power Engineering, Shandong University, Jinan, ChinaView further author information
&
C. LuSchool of Energy and Power Engineering, Shandong University, Jinan, ChinaCorrespondence[email protected]
View further author information
Pages 2451-2457 | Published online: 05 Nov 2015
 
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Abstract

Co-combustion characteristics of two coals and two biomass are investigated through thermogravimetric method in O2/CO2 atmosphere. Characteristic parameters of coal combustion deduced from TG-DTG curves show that, at the O2 concentration of 20%, substitution of CO2 for N2 brings about delay in ignition, exaltation in burnout, and drop in combustion integration parameter. To improve performances of coal combustion in O2/CO2 atmosphere, biomass is added to form co-combustion. The difficulty of coal combustion in O2/CO2 atmosphere can be effectively reduced at a co-combustion ratio of 20%. Activation energy during the coal combustion process is evidently reduced with the addition of biomass.

Additional information

Funding

This work is supported by the National Natural Science Foundation of China (51206096) and College Independent Innovation Foundation of Jinan (201401275).

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