煤的元素分析对煤层吸附CO的影响研究  

Effect of Element Analysis on CO Adsorption of Coal Seam

作　　者：刘永新[1] 郭立稳[2] 肖藏岩[3] 

机构地区：[1]天津滨海职业学院督导评估处,天津300451 [2]河北理工大学资源与环境学院,河北唐山063009 [3]河北理工大学轻工学院,河北唐山063009

出　　处：《采矿与安全工程学报》2009年第2期249-252,共4页Journal of Mining & Safety Engineering

基　　金：国家自然科学基金项目(50474080);教育部留学回国人员科研启动基金项目

摘　　要：实验测定了煤的元素分析数据及其30℃、不同压力下煤对CO的等温吸附数据.试验结果表明,煤对CO的吸附等温线可用Langmuir方程表示.当压力较低时,C/H与吸附量呈直线关系,随着C/H的增加而增加;随着压力的升高,C/H与煤对CO吸附量之间呈凹形曲线关系,压力越高离散度越大.氧元素的含量对煤层吸附CO气体的能力有较大影响.对于变质程度相当的煤样,O元素含量越高,煤层赋存CO的量越大.Element analysis data and CO isothermal adsorption data at 30℃ and under different pressures were tested. The result indicates that the CO isothermal adsorption of coal can be denoted by Langmuir equation. Under a lower pressure, the relationship between C/H and CO adsorption quantity was a beeline and the CO adsorption quantity increases with the of C/H ratio. The relationship between C/H and CO adsorption is a concave curve with the pressure increasing, and the higher the pressure, the higher the discrete degree. The content of oxygen element has a great effect on CO adsorption. For coal seams with the same rank, the higher content of oxygen is, the higher content of CO shall be.

关 键 词：元素分析 等温吸附 CO 自然发火 

分 类 号：TQ531[化学工程—煤化学工程]