Separability of SO 2  from SO 2 /N 2  mixture through sulfoxide‐modified poly(vinyl alcohol) and cellulose membranes | Zendy

Imai Kiyokazu | Zendy; Shiomi Tomoo | Zendy; Tezuka Yasuyuki | Zendy; Itamochi Hiroko | Zendy; Miya Masamitsu | Zendy

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Separability of SO 2 from SO 2 /N 2 mixture through sulfoxide‐modified poly(vinyl alcohol) and cellulose membranes

Author(s) -

Imai Kiyokazu,

Shiomi Tomoo,

Tezuka Yasuyuki,

Itamochi Hiroko,

Miya Masamitsu

Publication year - 1993

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1993.070480903

Subject(s) - vinyl alcohol , sulfoxide , membrane , cellulose , dimethyl sulfoxide , polymer chemistry , chemistry , polymer , organic chemistry , materials science , biochemistry

Separability of SO 2 from mixtures of SO 2 and N 2 gases was studied for membranes of poly(vinyl alcohol) (PVA) and cellulose modified with methyl, ethyl, t ‐butyl, and phenyl vinyl sulfoxides. Of these sulfoxide‐modified polymers, the phenyl vinyl sulfoxide‐modified PVA membranes were found to give the best separation of SO 2 . In the phenyl vinyl sulfoxide modified PVA membranes, the permeability coefficient of SO 2 increased with sulfoxide content while separability of SO 2 was maximum at a sulfoxide content of 23.5 mol %; the separation factor of SO 2 was about 170 at this sulfoxide content. © 1993 John Wiley & Sons, Inc.

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