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This paper studied the impact of the different heating time at different temperatures for Hg release characteristics of coal gangue, the change law of Hg content and Hg retention ratio in the three kinds of coal gangue vary with heating time at different temperature is analyzed. The experimental results show that: 1, The Hg release of coal gangue decided by the initial Hg content on the one hand,...
Ca influences the formation of particulate bound Hg(Hgp). Combustion experiments of four coals are conducted on a high temperature entrained flow reactor at 1250°C at CaCl2 addition conditions. The addition ratio of CaCl2 is 1%, 3% and 5%. The fly ashes are collected, the Hgp contents are measured, and the EDS and XRD analysis are made. It can be drawn from the analysis results that: higher increment...
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