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Development of Advanced Composite Ho...

Liang, Canzeng.

Development of Advanced Composite Hollow Fiber Membranes for Gas and Vapor Separation.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Development of Advanced Composite Hollow Fiber Membranes for Gas and Vapor Separation.
Author:	Liang, Canzeng.
Published:	Ann Arbor : ProQuest Dissertations & Theses, 2018
Description:	230 p.
Notes:	Source: Dissertation Abstracts International, Volume: 76-11C.
Notes:	Adviser: NEAL CHUNG TAI-SHUNG.
Contained By:	Dissertation Abstracts International76-11C.
Subject:	Chemical engineering.
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10907361

Development of Advanced Composite Hollow Fiber Membranes for Gas and Vapor Separation.
Liang, Canzeng.

Development of Advanced Composite Hollow Fiber Membranes for Gas and Vapor Separation. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 230 p.

Source: Dissertation Abstracts International, Volume: 76-11C.

Thesis (Ph.D.)--National University of Singapore (Singapore), 2018.

High-performance composite hollow fiber membranes have been developed in this thesis. Firstly, a highly crosslinked polydimethylsiloxane (PDMS) with a huge molecular network (577000 g/mol) can be synthesized by applying the post-crosslinking method. The resultant PDMS/polyacrylonitrile (PAN) composite membrane shows impressive O2 and CO2 permeances which are higher than 1000 and 5000 GPU, respectively; while the corresponding selectivities of O2/N2 and CO2/N2 are about 2 and 11, respectively. Secondly, polymers of intrinsic microporosity (PIMs)/PDMS/PAN three-layer composite membranes were fabricated by introducing a properly defective PDMS gutter layer between the PIM selective layer and PAN substrates. The optimal defect-free PIM composite membrane has pure O2 and CO2 permeances of 69 and 483 GPU, respectively. Lastly, a robust and defect-free PDMS/PAN composite hollow fiber membrane has been developed for air/biogas dehumidification. The as-produced PDMS/PAN composite membrane has a water vapor permeance ranging from about 800 to 3700 GPU depending on operation conditions.Subjects--Topical Terms:

206267
Chemical engineering.

Development of Advanced Composite Hollow Fiber Membranes for Gas and Vapor Separation.
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500 $a Source: Dissertation Abstracts International, Volume: 76-11C.
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502 $a Thesis (Ph.D.)--National University of Singapore (Singapore), 2018.
520 $a High-performance composite hollow fiber membranes have been developed in this thesis. Firstly, a highly crosslinked polydimethylsiloxane (PDMS) with a huge molecular network (577000 g/mol) can be synthesized by applying the post-crosslinking method. The resultant PDMS/polyacrylonitrile (PAN) composite membrane shows impressive O2 and CO2 permeances which are higher than 1000 and 5000 GPU, respectively; while the corresponding selectivities of O2/N2 and CO2/N2 are about 2 and 11, respectively. Secondly, polymers of intrinsic microporosity (PIMs)/PDMS/PAN three-layer composite membranes were fabricated by introducing a properly defective PDMS gutter layer between the PIM selective layer and PAN substrates. The optimal defect-free PIM composite membrane has pure O2 and CO2 permeances of 69 and 483 GPU, respectively. Lastly, a robust and defect-free PDMS/PAN composite hollow fiber membrane has been developed for air/biogas dehumidification. The as-produced PDMS/PAN composite membrane has a water vapor permeance ranging from about 800 to 3700 GPU depending on operation conditions.
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