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DOI10.1021/acssuschemeng.9b01216
Enhancement of CO2 Desorption from a Novel Absorbent (Dimethyl Carbonate) by Using a PDMS/TiO2 Pervaporation Membrane
Ataeivarjovi, Ebrahim; Tang, Zhigang; Chen, Jian; Zhao, Zhijun; Dong, Guo
发表日期2019
ISSN2168-0485
卷号7期号:14页码:12125-12137
英文摘要

Currently, there is strong interest in carbon capture and absorption as a means of reducing carbon dioxide emissions and combating climate change. Unfortunately, the current and traditional methods to achieve such goals are not economical, because they require a huge absorption- desorption plant with high investment and operating costs and high recycle rates of chemical absorbers. In this paper, we propose a novel CO2 capture method combining dimethyl carbonate as a physical solvent and polydimethylsiloxane (PDMS)/TiO2 nanocomposite as a desorption membrane. The effects of TiO2 concentration, feed temperature, and permeate pressure on the pervaporation process for CO2 capture were studied. Results showed that the addition of TiO2 nanoparticles (up to 5 wt %) resulted in 3.61 kg/m(2).h flux and 44.68 selectivity of the membrane. The presence of TiO2 nanoparticles in the PDMS membrane not only increased the performance of membrane's but also reduced (about 72%) energy consumption. To corroborate our experimental findings, a simple simulation was conducted by Gaussian 09. The modeling results demonstrated that the incorporation of TiO2 nanoparticles to the PDMS led to favorable absorption of CO, compared with the composite one. These results indicate a novel and promising method to capture CO2 effectively and economically for industrial purposes.


WOS研究方向Chemistry ; Science & Technology - Other Topics ; Engineering
来源期刊ACS SUSTAINABLE CHEMISTRY & ENGINEERING
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/100498
作者单位Tsinghua Univ, Dept Chem Engn, State Key Lab Chem Engn, Beijing 100084, Peoples R China
推荐引用方式
GB/T 7714
Ataeivarjovi, Ebrahim,Tang, Zhigang,Chen, Jian,et al. Enhancement of CO2 Desorption from a Novel Absorbent (Dimethyl Carbonate) by Using a PDMS/TiO2 Pervaporation Membrane[J],2019,7(14):12125-12137.
APA Ataeivarjovi, Ebrahim,Tang, Zhigang,Chen, Jian,Zhao, Zhijun,&Dong, Guo.(2019).Enhancement of CO2 Desorption from a Novel Absorbent (Dimethyl Carbonate) by Using a PDMS/TiO2 Pervaporation Membrane.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,7(14),12125-12137.
MLA Ataeivarjovi, Ebrahim,et al."Enhancement of CO2 Desorption from a Novel Absorbent (Dimethyl Carbonate) by Using a PDMS/TiO2 Pervaporation Membrane".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 7.14(2019):12125-12137.
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