|
个人信息Personal Information
教授
博士生导师
硕士生导师
性别：男
毕业院校：大阪大学
学位：博士
所在单位：能源与动力学院
学科：能源与环境工程
联系方式：Tel./Fax: +81-411-84709684 Address: No.2 Linggong Road, Ganjingzi District, Dalian City, Liaoning Province, P.R.C., 116024 e-mail: zhang.yan@dlut.edu.cn
电子邮箱：zhang.yan@dlut.edu.cn
Some new insights into the synergy occurring during char gasification in CO2/H2O mixtures
点击次数：
论文类型：期刊论文
发表时间：2020-05-15
发表刊物：FUEL
收录刊物：EI、SCIE
卷号：268
ISSN号：0016-2361
关键字：Synergy; Char gasification; Fixed-bed reactor; Micropore; Mesopore
摘要：This study aimed to investigate the mutual effects of CO2, H2O, and their mixtures on char reactivity and to explore the essence of the observed interaction between CO2 and H2O during char gasification. A Y-type dual fixed-bed (DFB) reactor was designed for gasification studies, which allowed direct comparison of product gas compositions between the separate and mixed gasification modes. Experimental and analytical data provided conclusive evidence of synergistic interaction between CO2 and H2O during gasification in mixed atmospheres. The results revealed that H2O played a role in promoting the development of mesopores, which allowed CO2 to enter the micropores more rapidly and to contribute to the observed synergy. This observed synergy increased with the increasing volume fraction of the reactant gases, while it decreased with the rising gasification temperature.