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Effect of (NH4)2CO3 addition on the combustion behavior and NOx emission properties during semi-coke combustion process

Xu ShiCollege of Energy source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China;Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, ChinaView further author information
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Rui-Tang GuoCollege of Energy source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China;Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, China;Shanghai Institute of Pollution Control and Ecological Security, Shanghai, ChinaCorrespondence[email protected]
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Zhong-Yi WangCollege of Energy source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China;Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, ChinaView further author information
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Xing-Yu LiuCollege of Energy source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China;Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, ChinaView further author information
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Hao QinCollege of Energy source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China;Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, ChinaView further author information
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Wei-Guo PanCollege of Energy source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China;Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, ChinaCorrespondence[email protected]
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&
Gui-Lin WuCollege of Energy source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China;Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, ChinaView further author information
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Received 22 Jun 2019, Accepted 16 Oct 2019, Published online: 24 Oct 2019
 
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ABSTRACT

In this work, the effect of (NH4)2CO3 additive on the combustion behavior and NOx emission properties during the combustion process of semi-coke was investigated. The combustion characteristics of semi-coke with/without (NH4)2CO3 were investigated in a thermogravimetric analyzer. Several parameters including the ignition and the burnout temperatures were obtained to understand the semi-coke combustion property. It was found that the addition of (NH4)2CO3 could decrease the ignition and the burnout temperatures, which was helpful to accelerate the combustion process. Besides that, the NOx emission properties during semi-coke combustion process were also investigated in a fixed-bed reactor. Experimental results revealed that the addition of 2.5wt% (NH4)2CO3 could effectively inhibit NOx emission. Thus, the addition of (NH4)2CO3 is favorable to the efficient and clean combustion of semi-coke.

Additional information

Funding

This work was supported by the the National Key R&D Program of China [2018YFB0605002].

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