SCI和EI收录∣中国化工学会会刊

›› 2017, Vol. 25 ›› Issue (3): 278-287.DOI: 10.1016/j.cjche.2016.07.010

• Separation Science and Engineering • 上一篇    下一篇

CO2/CH4 separation using inside coated thin film composite hollow fiber membranes prepared by interfacial polymerization

Eun-Sung Jo1,2, Xinghai An1,3, Pravin G. Ingole1, Won-Kil Choi1, Yeong-Sung Park2, Hyung-Keun Lee1   

  1. 1 Korea Institute of Energy Research(KIER), 71-2 Jang-dong, Yuseong-gu, Daejeon 305343, Republic of Korea;
    2 Department of Environmental Engineering, Daejeon University, Daejeon, Republic of Korea;
    3 Department of Advanced Energy and Technology, University of Science and Technology(UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 305-350, Republic of Korea
  • 收稿日期:2016-05-24 修回日期:2016-07-12 出版日期:2017-03-28 发布日期:2017-04-15
  • 通讯作者: Hyung-Keun Lee
  • 基金资助:
    Supported by the National Research Council of Science & Technology (NST) grant by the Korea government (MSIP) (No. CRC-15-07-KIER).

CO2/CH4 separation using inside coated thin film composite hollow fiber membranes prepared by interfacial polymerization

Eun-Sung Jo1,2, Xinghai An1,3, Pravin G. Ingole1, Won-Kil Choi1, Yeong-Sung Park2, Hyung-Keun Lee1   

  1. 1 Korea Institute of Energy Research(KIER), 71-2 Jang-dong, Yuseong-gu, Daejeon 305343, Republic of Korea;
    2 Department of Environmental Engineering, Daejeon University, Daejeon, Republic of Korea;
    3 Department of Advanced Energy and Technology, University of Science and Technology(UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 305-350, Republic of Korea
  • Received:2016-05-24 Revised:2016-07-12 Online:2017-03-28 Published:2017-04-15
  • Supported by:
    Supported by the National Research Council of Science & Technology (NST) grant by the Korea government (MSIP) (No. CRC-15-07-KIER).

摘要: Carbon dioxide (CO2) is greenhouse gas which originates primarily as a main combustion product of biogas and landfill gas. To separate this gas, an inside coated thin film composite (TFC) hollow fiber membrane was developed by inter facial polymerization between 1,3-cyclohexanebis-methylamine (CHMA) and trimesoyl chloride (TMC). ATR-FTIR, SEM and AFM were used to characterize the active thin layer formed inside the PSf hollow fiber. The separation behavior of the CHMA-TMC/PSf membrane was scrutinized by studying various effects like feed gas pressure and temperature. Furthermore, the influence of CHMA concentration and TMC concentration on membrane morphology and performance were investigated. As a result, it was found that mutually the CHMA concentration and TMC concentration play key roles in determining membrane morphology and performance. Moreover, the CHMA-TMC/PSf composite membrane showed good CO2/CH4 separation performance. For CO2/CH4 mixture gas (30/70 by volume) test, the membrane (PD1 prepared by CHMA 1.0% and TMC 0.5%) showed a CO2 permeance of 25 GPU and the best CO2/CH4 selectivity of 28 at stage cut of 0.1. The high CO2/CH4 separation performance of CHMA-TMC/PSf thin film composite membrane was mostly accredited to the thin film thickness and the properties of binary amino groups.

关键词: Thin-film composite hollow fiber membrane, Interfacial polymerization, CHMA/TMC, CO2/CH4 separation

Abstract: Carbon dioxide (CO2) is greenhouse gas which originates primarily as a main combustion product of biogas and landfill gas. To separate this gas, an inside coated thin film composite (TFC) hollow fiber membrane was developed by inter facial polymerization between 1,3-cyclohexanebis-methylamine (CHMA) and trimesoyl chloride (TMC). ATR-FTIR, SEM and AFM were used to characterize the active thin layer formed inside the PSf hollow fiber. The separation behavior of the CHMA-TMC/PSf membrane was scrutinized by studying various effects like feed gas pressure and temperature. Furthermore, the influence of CHMA concentration and TMC concentration on membrane morphology and performance were investigated. As a result, it was found that mutually the CHMA concentration and TMC concentration play key roles in determining membrane morphology and performance. Moreover, the CHMA-TMC/PSf composite membrane showed good CO2/CH4 separation performance. For CO2/CH4 mixture gas (30/70 by volume) test, the membrane (PD1 prepared by CHMA 1.0% and TMC 0.5%) showed a CO2 permeance of 25 GPU and the best CO2/CH4 selectivity of 28 at stage cut of 0.1. The high CO2/CH4 separation performance of CHMA-TMC/PSf thin film composite membrane was mostly accredited to the thin film thickness and the properties of binary amino groups.

Key words: Thin-film composite hollow fiber membrane, Interfacial polymerization, CHMA/TMC, CO2/CH4 separation