TY - JOUR
T1 - Carbon membranes for CO2 removal
T2 - Status and perspectives from materials to processes
AU - Lei, Linfeng
AU - Bai, Lu
AU - Lindbråthen, Arne
AU - Pan, Fengjiao
AU - Zhang, Xiangping
AU - He, Xuezhong
N1 - Publisher Copyright:
© 2020 The Author(s)
PY - 2020/12/1
Y1 - 2020/12/1
N2 - CO2 removal from gas streams using energy-efficient and environmentally friendly separation technologies can contribute to achieving a low-carbon energy future. Carbon membrane systems for hydrogen purification, post-combustion CO2 capture, and natural gas (NG) sweetening are considered as green processes because of their low energy consumption and negligible environmental impact. Much effort has been devoted to enhancing gas permeance and/or selectivity of carbon membranes by tailoring micropore structures to accomplish different CO2 removal processes. In this review, the status of tuning microstructure and fabrication of the ultrathin selective layer of carbon membranes, as well as membrane module upscaling was analyzed. The precursors made from a clean process using the solvent of ionic liquids have a particular interest, and high-performance asymmetric carbon hollow fiber membranes (CHFMs) without complex pre-treatment were highlighted towards technology advances of carbon membrane development. Energy-efficient processes of carbon membranes for CO2 removal in oil/gas/chemical industries and power plants were discussed for decreasing production costs, environmental impact, energy consumption, and improving process flexibility. Future perspectives on advanced carbon membrane material development based on renewable precursors and simple carbonization processes, as well as module design and process optimization, were proposed.
AB - CO2 removal from gas streams using energy-efficient and environmentally friendly separation technologies can contribute to achieving a low-carbon energy future. Carbon membrane systems for hydrogen purification, post-combustion CO2 capture, and natural gas (NG) sweetening are considered as green processes because of their low energy consumption and negligible environmental impact. Much effort has been devoted to enhancing gas permeance and/or selectivity of carbon membranes by tailoring micropore structures to accomplish different CO2 removal processes. In this review, the status of tuning microstructure and fabrication of the ultrathin selective layer of carbon membranes, as well as membrane module upscaling was analyzed. The precursors made from a clean process using the solvent of ionic liquids have a particular interest, and high-performance asymmetric carbon hollow fiber membranes (CHFMs) without complex pre-treatment were highlighted towards technology advances of carbon membrane development. Energy-efficient processes of carbon membranes for CO2 removal in oil/gas/chemical industries and power plants were discussed for decreasing production costs, environmental impact, energy consumption, and improving process flexibility. Future perspectives on advanced carbon membrane material development based on renewable precursors and simple carbonization processes, as well as module design and process optimization, were proposed.
KW - Biogas upgrading
KW - CO removal
KW - Carbon membranes
KW - Hollow fiber
KW - Hydrogen purification
KW - Natural gas sweetening
UR - http://www.scopus.com/inward/record.url?scp=85087311408&partnerID=8YFLogxK
U2 - 10.1016/j.cej.2020.126084
DO - 10.1016/j.cej.2020.126084
M3 - 文献综述
AN - SCOPUS:85087311408
SN - 1385-8947
VL - 401
JO - Chemical Engineering Journal
JF - Chemical Engineering Journal
M1 - 126084
ER -