Authors: Shaoqing Guo Jianli Yang Zhenyu Liu Yong Xiao
Publish Date: 2009/03/12
Volume: 26, Issue: 2, Pages: 560-563
Abstract
The mercury release behavior during thermal decomposition of three Chinese coals with different types was studied under nitrogen carbon dioxide and air at temperatures of 800 900 1000 and 1100 °C The thermal treatment experiments were carried out in a quartz tube reactor Results showed that the release ratio of total mercury during thermal decomposition of coals increases with the increasing temperature The order of the amount of mercury released under the three atmospheres is nitrogencarbon dioxideair for all three coals during thermal decomposition This indicates that air and carbon dioxide can promote the mercury release due to their reactivity with coal However the order of amount of elemental mercury released under the three atmospheres is nitrogencarbon dioxideair for all three coals The release behavior of the total mercury under air is independent of the coal type Under the other two atmospheres the release behavior is distinguished by the coal type
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