Development of high-performance polysulfone/poly(4-vinylpyridine) composite hollow fibers for CO2/CH4 separation

Jian Jun Qin; Tai Shung Chung

doi:10.1016/j.desal.2005.04.132

Development of high-performance polysulfone/poly(4-vinylpyridine) composite hollow fibers for CO₂/CH₄ separation

Jian Jun Qin^*, Tai Shung Chung

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

High-performance polysulfone (PSf)/poly (4-vinylpyridine) (4-PVP)/silicon rubber (SR) multilayer composite membranes were developed for CO₂/CH₄ separation. PSf hollow-fiber substrates with different pore sizes were manufactured by varying the concentration of nonsolvent additive in the spinning dope. PSf/4-PVP/SR multilayer composite membranes were prepared using dip-coating. The pore size of the PSf substrate increased with an increase of the nonsolvent additive. Selectivity of a composite membrane for CO₂/CH₄ increased with decreasing pore size of the substrate. The pre-wetting agent played an important role in preventing the penetration of the coating material into the substrate with large pores, but did not show a significant effect on a substrate with small pores. A high-performance multilayer composite membrane with a CO₂/CH₄ selectivity of 29 and CO₂ permeance of 92 GPU was obtained.

Original language	English (US)
Pages (from-to)	112-116
Number of pages	5
Journal	Desalination
Volume	192
Issue number	1-3
DOIs	https://doi.org/10.1016/j.desal.2005.04.132
State	Published - May 10 2006
Externally published	Yes

Keywords

CO/CH separation
Composite hollow fibers
Multilayer membranes
Poly (4-vinylpyridine)
Polysulfone

ASJC Scopus subject areas

General Chemistry
Water Science and Technology
General Chemical Engineering
Mechanical Engineering
General Materials Science

Access to Document

10.1016/j.desal.2005.04.132

Cite this

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title = "Development of high-performance polysulfone/poly(4-vinylpyridine) composite hollow fibers for CO2/CH4 separation",

abstract = "High-performance polysulfone (PSf)/poly (4-vinylpyridine) (4-PVP)/silicon rubber (SR) multilayer composite membranes were developed for CO2/CH4 separation. PSf hollow-fiber substrates with different pore sizes were manufactured by varying the concentration of nonsolvent additive in the spinning dope. PSf/4-PVP/SR multilayer composite membranes were prepared using dip-coating. The pore size of the PSf substrate increased with an increase of the nonsolvent additive. Selectivity of a composite membrane for CO2/CH4 increased with decreasing pore size of the substrate. The pre-wetting agent played an important role in preventing the penetration of the coating material into the substrate with large pores, but did not show a significant effect on a substrate with small pores. A high-performance multilayer composite membrane with a CO2/CH4 selectivity of 29 and CO2 permeance of 92 GPU was obtained.",

keywords = "CO/CH separation, Composite hollow fibers, Multilayer membranes, Poly (4-vinylpyridine), Polysulfone",

author = "Qin, {Jian Jun} and Chung, {Tai Shung}",

year = "2006",

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AU - Qin, Jian Jun

AU - Chung, Tai Shung

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Y1 - 2006/5/10

N2 - High-performance polysulfone (PSf)/poly (4-vinylpyridine) (4-PVP)/silicon rubber (SR) multilayer composite membranes were developed for CO2/CH4 separation. PSf hollow-fiber substrates with different pore sizes were manufactured by varying the concentration of nonsolvent additive in the spinning dope. PSf/4-PVP/SR multilayer composite membranes were prepared using dip-coating. The pore size of the PSf substrate increased with an increase of the nonsolvent additive. Selectivity of a composite membrane for CO2/CH4 increased with decreasing pore size of the substrate. The pre-wetting agent played an important role in preventing the penetration of the coating material into the substrate with large pores, but did not show a significant effect on a substrate with small pores. A high-performance multilayer composite membrane with a CO2/CH4 selectivity of 29 and CO2 permeance of 92 GPU was obtained.

AB - High-performance polysulfone (PSf)/poly (4-vinylpyridine) (4-PVP)/silicon rubber (SR) multilayer composite membranes were developed for CO2/CH4 separation. PSf hollow-fiber substrates with different pore sizes were manufactured by varying the concentration of nonsolvent additive in the spinning dope. PSf/4-PVP/SR multilayer composite membranes were prepared using dip-coating. The pore size of the PSf substrate increased with an increase of the nonsolvent additive. Selectivity of a composite membrane for CO2/CH4 increased with decreasing pore size of the substrate. The pre-wetting agent played an important role in preventing the penetration of the coating material into the substrate with large pores, but did not show a significant effect on a substrate with small pores. A high-performance multilayer composite membrane with a CO2/CH4 selectivity of 29 and CO2 permeance of 92 GPU was obtained.

KW - CO/CH separation

KW - Composite hollow fibers

KW - Multilayer membranes

KW - Poly (4-vinylpyridine)

KW - Polysulfone

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