煤吸附CO2体积影响因素试验研究

doi:10.16265/j.cnki.issn1003-3033.2019.12.014

中国安全科学学报 ›› 2019, Vol. 29 ›› Issue (12): 85-90.doi: 10.16265/j.cnki.issn1003-3033.2019.12.014

煤吸附CO₂体积影响因素试验研究

周西华^1,2 教授, 牛玉平^**1,2, 白刚^1,2, 张潇文^1,2

1 辽宁工程技术大学安全科学与工程学院,辽宁阜新 123000;
2 辽宁工程技术大学矿山热动力灾害与防治教育部重点实验室,辽宁阜新 123000

收稿日期:2019-09-27 修回日期:2019-11-03 出版日期:2019-12-28 发布日期:2020-11-24
通讯作者: ** 牛玉平(1995—),男,内蒙古鄂尔多斯人,硕士研究生,研究方向为火灾与瓦斯灾害防治。E-mail:15134806976@163.com。
作者简介:周西华 (1968—),男,安徽淮北人,博士,教授,博士生导师,主要从事安全工程方面的工作。E-mail:xihua_zhou68@163.com。
基金资助:
辽宁省教育厅重点项目(LJCL001);国家重点研发计划项目(2018YFC0807900);辽宁省教育厅青年项目(LJ2019QL002)。

Experimental study on factors affecting volume of CO₂ adsorbed by coal

ZHOU Xihua^1,2, NIU Yuping^1,2, BAI Gang^1,2, ZHANG Xiaowen^1,2

1 College of Safety Science and Engineering, Liaoning Technical University, Fuxin Liaoning 123000, China;
2 Liaoning Technical University, Key Laboratory of Mine Thermodynamic Disasters and Control of Ministry of Education, Fuxin Liaoning 123000, China

Received:2019-09-27 Revised:2019-11-03 Online:2019-12-28 Published:2020-11-24

摘要/Abstract

摘要： 为研究煤吸附CO₂在多因素耦合作用下体积的影响因素,采用HCA高压容量法测定不同条件煤样对CO₂吸附量影响,并计算Langmuir体积,分析温度、粒径、含水率3种因素耦合影响煤对CO₂吸附程度,通过Design Expert软件设计Box Behnken试验,构建煤吸附CO₂的Langmuir体积二次回归响应曲面模型。结果表明:吸附量随温度、粒径增加而减小,随含水率升高呈先减小后稳定的趋势;影响因素中温度、粒径、含水率各单因素均为显著影响;多因素作用时影响程度大小依次为:粒径和含水率>温度和粒径>温度和含水率,温度和粒径、粒径和含水率之间交互作用显著,温度和含水率之间交互作用不显著。

关键词: 多因素耦合, 吸附量, 影响因素, 响应面, 煤吸附CO₂, 高压容量法

Abstract: In order to study factors influencing the volume of CO₂ adsorbed by coal under multi-factor coupling effect, the HCA high-pressure capacity method was used to determine the amount of CO₂ adsorbed by coal samples under different conditions, and the Langmuir volume was calculated. The coupling effect of temperature, particle size and water content on CO₂ adsorption of coal was analyzed. The Box Behnken test was designed by Design Expert software to construct a Langmuir volume quadratic regression response surface model for coal adsorption of CO₂. The results show that the adsorption amount decreases with the increase of temperature and particle size, and decreases first and then stabilizes with the increase of water content, that the single factors of temperature, particle size, and water content all have significant effects, that the order of influence degree under multi-factor coupling effect is as follows: particle size and water content> temperature and particle size> temperature and water content, and that the interaction between temperature and particle size, particle size and water content is significant, while the interaction between temperature and water content is not significant.

Key words: multi-factor coupling, adsorption capacity, influence factor, response surface, coal adsorbing CO₂, high pressure capacity method

中图分类号:

X936

周西华, 牛玉平, 白刚, 张潇文. 煤吸附CO₂体积影响因素试验研究[J]. 中国安全科学学报, 2019, 29(12): 85-90.

ZHOU Xihua, NIU Yuping, BAI Gang, ZHANG Xiaowen. Experimental study on factors affecting volume of CO₂ adsorbed by coal[J]. China Safety Science Journal, 2019, 29(12): 85-90.

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煤吸附CO₂体积影响因素试验研究

Experimental study on factors affecting volume of CO₂ adsorbed by coal

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