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Title: Carbon molecular sieve membranes on porous composite tubular supports for high performance gas separations

Abstract

Thin carbon molecular sieve membranes (<500 nm) were fabricated inside of long geometry (9 inch) of stainless steel tubes with all welded construction. Alumina intermediate layer on porous stainless steel tube support was used to reduce effective support pore size and to provide a more uniform surface roughness. Novolac phenolic resin solution was then coated on the inside of porous stainless steel tube by slip casting while their viscosities were controlled from 5 centipoises to 30 centipoises. Carbonization was carried out at 700 °C in which thermal stress was minimized and high quality carbon films were prepared. The highest separation performance characteristics were obtained using 20 cP phenolic resin solutions. The fabricated CMSM showed good separation factor for He/N2 462, CO2/N2 97, and O2/N2 15.4. As the viscosity of polymer precursor solution was reduced from 20 cP to 15 cP, gas permeance values almost doubled with somewhat lower separation factor He/N2 156, CO2/N2 88, and O2/N2 7.7.

Authors:
 [1];  [2];  [1];  [2]
  1. Korea Research Institute of Chemical Technology, Daejeon (South Korea)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1241458
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Microporous and Mesoporous Materials
Additional Journal Information:
Journal Volume: 224; Journal Issue: C; Journal ID: ISSN 1387-1811
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; carbon molecular sieve membrane; gas separation; porous stainless steel supports; thin film; Intermediate alumina layer

Citation Formats

Lee, Pyung -Soo, Bhave, Ramesh R., Nam, Seung -Eun, and Kim, Daejin. Carbon molecular sieve membranes on porous composite tubular supports for high performance gas separations. United States: N. p., 2016. Web. doi:10.1016/j.micromeso.2015.12.054.
Lee, Pyung -Soo, Bhave, Ramesh R., Nam, Seung -Eun, & Kim, Daejin. Carbon molecular sieve membranes on porous composite tubular supports for high performance gas separations. United States. https://doi.org/10.1016/j.micromeso.2015.12.054
Lee, Pyung -Soo, Bhave, Ramesh R., Nam, Seung -Eun, and Kim, Daejin. 2016. "Carbon molecular sieve membranes on porous composite tubular supports for high performance gas separations". United States. https://doi.org/10.1016/j.micromeso.2015.12.054. https://www.osti.gov/servlets/purl/1241458.
@article{osti_1241458,
title = {Carbon molecular sieve membranes on porous composite tubular supports for high performance gas separations},
author = {Lee, Pyung -Soo and Bhave, Ramesh R. and Nam, Seung -Eun and Kim, Daejin},
abstractNote = {Thin carbon molecular sieve membranes (<500 nm) were fabricated inside of long geometry (9 inch) of stainless steel tubes with all welded construction. Alumina intermediate layer on porous stainless steel tube support was used to reduce effective support pore size and to provide a more uniform surface roughness. Novolac phenolic resin solution was then coated on the inside of porous stainless steel tube by slip casting while their viscosities were controlled from 5 centipoises to 30 centipoises. Carbonization was carried out at 700 °C in which thermal stress was minimized and high quality carbon films were prepared. The highest separation performance characteristics were obtained using 20 cP phenolic resin solutions. The fabricated CMSM showed good separation factor for He/N2 462, CO2/N2 97, and O2/N2 15.4. As the viscosity of polymer precursor solution was reduced from 20 cP to 15 cP, gas permeance values almost doubled with somewhat lower separation factor He/N2 156, CO2/N2 88, and O2/N2 7.7.},
doi = {10.1016/j.micromeso.2015.12.054},
url = {https://www.osti.gov/biblio/1241458}, journal = {Microporous and Mesoporous Materials},
issn = {1387-1811},
number = C,
volume = 224,
place = {United States},
year = {Mon Jan 11 00:00:00 EST 2016},
month = {Mon Jan 11 00:00:00 EST 2016}
}

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Cited by: 34 works
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