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煤炭工程  2012 

加热作用对褐煤自燃过程影响的红外光谱研究

, PP. 87-89

Keywords: 原位红外光谱,热作用,官能团,煤自燃,褐煤

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Abstract:

利用原位傅里叶红外光谱仪实时在线测试了褐煤分别在通入氮气和氧气的程序升温条件下主要活性官能团的变化规律,通过对比分析研究了程序升温的加热作用对煤氧化过程产生的影响。结果表明在这两种气氛条件下各主要活性官能团都呈现先减少后逐渐增加的连续变化趋势;仅靠程序升温的加热作用也会导致煤自身发生反应,但是加热作用对煤中官能团变化的影响与氧化条件下的影响趋势是一致的。

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