Highly selective facilitated transport membranes for isoprene/n-pentane separation

Hyun Woo Choi, Dong Bum Kim, Dae Ki Choi, Byeong Sung Ahn, Hong gon Kim, Hoon Sik Kim, Chang-Ha Lee, Joon Yong Sung

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The composite membranes containing sulfonated poly(ether ether)ketone (SPEEK)-AgNO3 layers on top of polyester supports were prepared and tested for the separation of isoprene/n-pentane mixtures. The SPEEK-AgNO3 membranes showed good selectivity for isoprene over n-pentane and long-term stability. The performances of the SPEEK-AgNO3 membranes were significantly affected by the degree of sulfonation (DS) of SPEEK. The selectivity for isoprene over n-pentane increased with increasing DS of SPEEK. The separation of isoprene from n-pentane mixtures was also carried out using hollow fiber membranes containing SPEEK layers on top of PAN supports in a liquid-liquid membrane contactor system. The SPEEK-coated hollow fiber membranes was also effective the separation of real C5 mixture consisting of about 20 different components.

Original languageEnglish
Pages (from-to)403-409
Number of pages7
JournalJournal of Membrane Science
Volume279
Issue number1-2
DOIs
Publication statusPublished - 2006 Aug 1

Fingerprint

Polyether ether ketones
Isoprene
pentanes
Ether
ethers
membranes
Membranes
Ketones
ketones
Sulfonation
Liquid membranes
Polyesters
Fibers
Composite membranes
isoprene
pentane
hollow
selectivity
contactors
polyacrylonitrile

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

Cite this

Choi, H. W., Kim, D. B., Choi, D. K., Ahn, B. S., Kim, H. G., Kim, H. S., ... Sung, J. Y. (2006). Highly selective facilitated transport membranes for isoprene/n-pentane separation. Journal of Membrane Science, 279(1-2), 403-409. https://doi.org/10.1016/j.memsci.2005.12.029
Choi, Hyun Woo ; Kim, Dong Bum ; Choi, Dae Ki ; Ahn, Byeong Sung ; Kim, Hong gon ; Kim, Hoon Sik ; Lee, Chang-Ha ; Sung, Joon Yong. / Highly selective facilitated transport membranes for isoprene/n-pentane separation. In: Journal of Membrane Science. 2006 ; Vol. 279, No. 1-2. pp. 403-409.
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Choi, HW, Kim, DB, Choi, DK, Ahn, BS, Kim, HG, Kim, HS, Lee, C-H & Sung, JY 2006, 'Highly selective facilitated transport membranes for isoprene/n-pentane separation', Journal of Membrane Science, vol. 279, no. 1-2, pp. 403-409. https://doi.org/10.1016/j.memsci.2005.12.029

Highly selective facilitated transport membranes for isoprene/n-pentane separation. / Choi, Hyun Woo; Kim, Dong Bum; Choi, Dae Ki; Ahn, Byeong Sung; Kim, Hong gon; Kim, Hoon Sik; Lee, Chang-Ha; Sung, Joon Yong.

In: Journal of Membrane Science, Vol. 279, No. 1-2, 01.08.2006, p. 403-409.

Research output: Contribution to journalArticle

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