化学吸收法测定新型复合转子旋转床气液有效比表面积及液相传质系数

doi:10.12034/j.issn.1009-606X.217401

过程工程学报 ›› 2018, Vol. 18 ›› Issue (4): 704-709.DOI: 10.12034/j.issn.1009-606X.217401

化学吸收法测定新型复合转子旋转床气液有效比表面积及液相传质系数

耿康生1，李育敏1*，陆佳冬1，刘鹏真1，汪军2，计建炳1

1. 浙江工业大学超重力工程技术研究中心，浙江杭州 310014
2. 杭州鑫高科技有限公司，浙江杭州 311301

收稿日期:2017-11-16 修回日期:2018-01-29 出版日期:2018-08-22 发布日期:2018-08-15
通讯作者: 李育敏 liym@zjut.edu.cn

Determination of effective interfacial area and local liquid-side mass-transfer coefficient of novel compound rotating zigzag bed by chemical absorption method

Kangsheng GENG1, Yumin LI1*, Jiadong LU1, Pengzhen LIU1, Jun WANG2, Jianbing JI1

1. Research Center for High Gravity Engineering and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
2. Hangzhou Singo Science and Technology Company Limited, Hangzhou, Zhejiang 311301, China

Received:2017-11-16 Revised:2018-01-29 Online:2018-08-22 Published:2018-08-15
Contact: LI Yu-min liym@zjut.edu.cn

摘要/Abstract

摘要： 用不同浓度的NaOH溶液吸收CO2，分别测定新型复合转子旋转床的气液有效比表面积和液相传质系数，考察了液量、气量和转速的影响. 结果表明，新型复合转子旋转床的有效比表面积和液相传质系数均随液量、气量和转速增大而增大. 在相同操作条件下，与折流式旋转床相比，新型复合转子旋转床转子的有效比表面积增大7%~159%，液相传质系数降低7.7%~18.2%，最终液相体积传质系数增大4%~132%.

关键词: 复合转子旋转床, 有效比表面积, 液相传质系数

Abstract: The effective interfacial area and the local liquid-side mass-transfer coefficient of the novel compound rotating zigzag bed were determined by absorbing of CO2 gas with different concentrations of NaOH solution, the effects of liquid volumetric flow rate, gas volumetric flow rate and rotational speed were investigated. The results showed that effective interfacial area and local liquid-side mass-transfer coefficient in the novel compound rotating zigzag bed increased with the increase of liquid volumetric flow rate, gas volumetric flow rate and rotational speed. Compared with the rotating zigzag bed, the effective interfacial area of the novel compound rotating zigzag bed increased by 7%~159%, however, the local liquid-side mass-transfer coefficient reduced by 7.7%~18.2%. Eventually, the local volumetric liquid-side mass-transfer coefficient increased by 4%~132%.

Key words: compound rotating zigzag bed, effective interfacial area, local liquid-side mass-transfer coefficient

耿康生李育敏陆佳冬刘鹏真汪军计建炳. 化学吸收法测定新型复合转子旋转床气液有效比表面积及液相传质系数[J]. 过程工程学报, 2018, 18(4): 704-709.

Kangsheng GENG Yumin LI Jiadong LU Pengzhen LIU Jun WANG Jianbing JI. Determination of effective interfacial area and local liquid-side mass-transfer coefficient of novel compound rotating zigzag bed by chemical absorption method[J]. Chin. J. Process Eng., 2018, 18(4): 704-709.

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化学吸收法测定新型复合转子旋转床气液有效比表面积及液相传质系数

Determination of effective interfacial area and local liquid-side mass-transfer coefficient of novel compound rotating zigzag bed by chemical absorption method

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