Properties and performances of polymer composite membranes correlated with monomer and polydopamine for flue gas dehydration by water vapor permeation

Sang Hee Yun, Pravin G. Ingole, Kee Hong Kim, Won Kil Choi, Jong Hak Kim, Hyung Keun Lee

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

In this study, PES-based thin film composite (TFC) membranes were prepared by polydopamine (PDA) coating time and different monomer concentrations (i.e. m-phenylenediamine (MPD) and trimesoyl chloride (TMC) concentration). To investigate the influence of coating time by hydrophilic PDA material and monomer concentration, TFC membranes were classified into three different cases and tested under the same operating conditions. Various TFC membranes were characterized by using FE-SEM, ATR-FTIR, AFM and water contact angle to verify the modification on the surfaces. As a result, it is discovered that this membrane modification mainly improves the hydrophilicity on surface and the thickness of selective layer. Water vapor permeance and water vapor/N2 selectivity obtained here showed a close correlation to coating time and each monomer concentration. TFC membranes fabricated by interfacial polymerization (IP) show the better performances than other techniques for gas separation. Conditions for interfacial polymerization process to be efficiently utilized in permeation of water vapor were optimized to achieve the higher permeance and selectivity.

Original languageEnglish
Pages (from-to)348-356
Number of pages9
JournalChemical Engineering Journal
Volume258
DOIs
Publication statusPublished - 2014 Dec 15

Fingerprint

Composite membranes
Steam
Dehydration
Flue gases
Permeation
dehydration
Water vapor
water vapor
Polymers
polymer
Monomers
membrane
Thin films
coating
Coatings
polymerization
Polymerization
Hydrophilicity
Contact angle
Chlorides

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

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title = "Properties and performances of polymer composite membranes correlated with monomer and polydopamine for flue gas dehydration by water vapor permeation",
abstract = "In this study, PES-based thin film composite (TFC) membranes were prepared by polydopamine (PDA) coating time and different monomer concentrations (i.e. m-phenylenediamine (MPD) and trimesoyl chloride (TMC) concentration). To investigate the influence of coating time by hydrophilic PDA material and monomer concentration, TFC membranes were classified into three different cases and tested under the same operating conditions. Various TFC membranes were characterized by using FE-SEM, ATR-FTIR, AFM and water contact angle to verify the modification on the surfaces. As a result, it is discovered that this membrane modification mainly improves the hydrophilicity on surface and the thickness of selective layer. Water vapor permeance and water vapor/N2 selectivity obtained here showed a close correlation to coating time and each monomer concentration. TFC membranes fabricated by interfacial polymerization (IP) show the better performances than other techniques for gas separation. Conditions for interfacial polymerization process to be efficiently utilized in permeation of water vapor were optimized to achieve the higher permeance and selectivity.",
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Properties and performances of polymer composite membranes correlated with monomer and polydopamine for flue gas dehydration by water vapor permeation. / Yun, Sang Hee; Ingole, Pravin G.; Kim, Kee Hong; Choi, Won Kil; Kim, Jong Hak; Lee, Hyung Keun.

In: Chemical Engineering Journal, Vol. 258, 15.12.2014, p. 348-356.

Research output: Contribution to journalArticle

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AU - Yun, Sang Hee

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AU - Kim, Jong Hak

AU - Lee, Hyung Keun

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