Separation of olefin/paraffin mixtures using zwitterionic silver complexes as transport carriers.
Zwitterionic silver nitrate salts of 1-(1-methyl-3-imidazolio)propane-3-sulfonate, 1-(1-methyl-1-pyrrolidinio)propane-3-sulfonate, and 1-(4-methyl-4-morpholio)propane-3-sulfonate have been prepared and tested as carriers for facilitated olefin transport membranes in the separation of ethylene/ethane, propylene/propane, and C4 mixtures. The interactions of olefins with silver ions bound to sulfonate groups were investigated by FTIR spectroscopy as well as the correlation between the binding affinity of olefins and facilitated transport.
Kim
Hoon Sik
HS
Department of Chemistry and Research Institute of Basic Sciences, Kyung Hee University, Seoul 130-701, Korea. khs2004@khu.ac.kr
Bae
Jin Yong
JY
Park
Sang Joon
SJ
Lee
Hyunjoo
H
Bae
Hyun Woo
HW
Kang
Sang Ook
SO
Lee
Sang Deuk
SD
Choi
Dai Ki
DK