基于吸附势理论的煤对N_2吸附特性的研究  

Study on Adsorption Characteristic of Coal to Nitrogen Based on Adsorption Potential Theory

作　　者：杨宏民[1,2] 于保种[1] 王兆丰[1,2] 

机构地区：[1]河南理工大学安全科学与工程学院,河南焦作454000 [2]煤矿灾害预防与抢险救灾教育部工程中心,河南焦作454000

出　　处：《煤矿安全》2010年第4期1-3,共3页Safety in Coal Mines

基　　金：国家973计划资助项目(2006CB202204);河南省重大科技攻关资助项目(07210221033);国家自然科学基金资助项目(50674055)

摘　　要：利用ASAP2020比表面积分析仪研究了阳泉煤在液氮浴(77K)条件下对N2吸附特性,根据该温度下的吸附等温线确定出ε-ω吸附特性曲线,同时根据Langmuir单分子层吸附模型和BET多分子层吸附模型得出了完全相同的ε-ω吸附特性曲线,表明ε-ω吸附特性曲线与煤对N2吸附的吸附模型无关。因此可以根据ε-ω吸附特性曲线确定不同温度下的吸附等温线。Application of ASAP2020 instrument,adsorption charactereristics of nitrogen on YangQuan coal samples were studied at temperature of 77K. The ε - ω adsorption characteristics curve is confirmed by the adsorption isotherm under that temperature. Ulteriorty, the some ε - ω adsorption characteristics curve is obtained by both Langmuir monolayer adsorption model and BET multilayer adsorption model. It shows that ε - ω adsorption characteristics curve is independent of the adsorption model. So bases on ε - ω adsorption characteristics curve,we can confirm different temperiture＇s adsorption isotherm.

关 键 词：吸附势 吸附空间 ε-ω吸附特性曲线 

分 类 号：TD712[矿业工程—矿井通风与安全]