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Membranes
Volume 9
Issue 9
10.3390/membranes9090115
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Article

Highly Selective Oxygen/Nitrogen Separation Membrane Engineered Using a Porphyrin-Based Oxygen Carrier

by
Jiuli Han
1,2,
Lu Bai
1,
Bingbing Yang
1,2,
Yinge Bai
1,
Shuangjiang Luo
1,
Shaojuan Zeng
1,
Hongshuai Gao
1,
Yi Nie
1,3,
Xiaoyan Ji
4,
Suojiang Zhang
1,2,* and
Xiangping Zhang
1,2,*
1
Beijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
2
School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
3
Zhengzhou Institute of Emerging Industrial Technology, Zhengzhou 450000, China
4
Energy Engineering, Division of Energy Science, Luleå University of Technology, 97187 Luleå, Sweden
*
Authors to whom correspondence should be addressed.
Membranes 2019, 9(9), 115; https://doi.org/10.3390/membranes9090115
Received: 16 August 2019 / Revised: 30 August 2019 / Accepted: 30 August 2019 / Published: 3 September 2019
(This article belongs to the Section Membrane Processing and Engineering)
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Abstract

Air separation is very important from the viewpoint of the economic and environmental advantages. In this work, defect-free facilitated transport membranes based on poly(amide-12-b-ethylene oxide) (Pebax-2533) and tetra(p-methoxylphenyl)porphyrin cobalt chloride (T(p-OCH3)PPCoCl) were fabricated in systematically varied compositions for O2/N2 separation. T(p-OCH3)PPCoCl was introduced as carriers that selectively and reversibly interacted with O2 and facilitated O2 transport in the membrane. The T(p-OCH3)PPCoCl had good compatibility with the Pebax-2533 via the hydrogen bond interaction and formed a uniform and thin selective layer on the substrate. The O2 separation performance of the thin film composite (TFC) membranes was improved by adding a small amount of the T(p-OCH3)PPCoCl and decreasing the feed pressure. At the pressure of 0.035 MPa, the O2 permeability and O2/N2 selectivity of the 0.6 wt % T(p-OCH3)PPCoCl/Pebax-2533 was more than 3.5 times that of the Pebax-2533 TFC membrane, which reached the 2008 Robeson upper bound. It provides a candidate membrane material for O2/N2 efficient separation in moderate conditions. View Full-Text
Keywords: facilitated transport membranes; cobalt porphyrin; oxygen/nitrogen separation; mixed matrix membrane; selectivity facilitated transport membranes; cobalt porphyrin; oxygen/nitrogen separation; mixed matrix membrane; selectivity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
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MDPI and ACS Style

Han, J.; Bai, L.; Yang, B.; Bai, Y.; Luo, S.; Zeng, S.; Gao, H.; Nie, Y.; Ji, X.; Zhang, S.; Zhang, X. Highly Selective Oxygen/Nitrogen Separation Membrane Engineered Using a Porphyrin-Based Oxygen Carrier. Membranes 2019, 9, 115. https://doi.org/10.3390/membranes9090115

AMA Style

Han J, Bai L, Yang B, Bai Y, Luo S, Zeng S, Gao H, Nie Y, Ji X, Zhang S, Zhang X. Highly Selective Oxygen/Nitrogen Separation Membrane Engineered Using a Porphyrin-Based Oxygen Carrier. Membranes. 2019; 9(9):115. https://doi.org/10.3390/membranes9090115

Chicago/Turabian Style

Han, Jiuli, Lu Bai, Bingbing Yang, Yinge Bai, Shuangjiang Luo, Shaojuan Zeng, Hongshuai Gao, Yi Nie, Xiaoyan Ji, Suojiang Zhang, and Xiangping Zhang. 2019. "Highly Selective Oxygen/Nitrogen Separation Membrane Engineered Using a Porphyrin-Based Oxygen Carrier" Membranes 9, no. 9: 115. https://doi.org/10.3390/membranes9090115

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