基于DA模型的煤表面甲烷吸附线预测

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岳高伟*，曾春林，郑新军，霍留鹏

河南理工大学土木工程学院，河南焦作 454000

收稿日期:2017-10-20修回日期:2018-02-01出版日期:2018-10-22发布日期:2018-10-12
通讯作者:岳高伟

基金资助:国家自然科学基金青年项目;河南省高校科技创新团队支持计划资助

Prediction for CH₄ adsorption isotherm based on DA model

Gaowei YUE*, Chunlin ZENG, Xinjun ZHENG, Liupeng HUO

School of Civil Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China

Received:2017-10-20Revised:2018-02-01Online:2018-10-22Published:2018-10-12

摘要/Abstract

摘要： 采用高低温甲烷吸附解吸测试系统，在243.15, 263.15, 283.15, 303.15和323.15 K下用不同变质程度的煤(气肥煤、焦煤、贫煤和无烟煤等)对甲烷进行等温吸附，基于微孔填充Dubinbin?Astakhov(DA)模型对其它环境温度下煤的CH4吸附等温线进行预测. 结果表明，不同变质程度的煤对甲烷的吸附量均随温度降低而增大，且饱和吸附量和特征吸附能与温度具有良好的线性关系. 模型预测的等温吸附曲线与实验结果吻合较好，相对误差不超过5%.

引用本文

岳高伟曾春林郑新军霍留鹏. 基于DA模型的煤表面甲烷吸附线预测[J]. 过程工程学报, 2018, 18(5): 1045-1051.
Gaowei YUE Chunlin ZENG Xinjun ZHENG Liupeng HUO. Prediction for CH₄ adsorption isotherm based on DA model[J]. Chin. J. Process Eng., 2018, 18(5): 1045-1051.

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