STUDY ON EFFICIENT PERMSELECTIVE GAS SEPARATION MEMBRANE FOR SULFUR DIOXIDE II. SEPARATION CHARACTERISTICS OF MEMBRANE FROM POLY(VINYL ALCOHOL) MODIFIED WITH PROPYL VINYL SUFOXIDE
GONG Zhang-shui, ZHANG Yi-feng, SHEN Zhi-quan. STUDY ON EFFICIENT PERMSELECTIVE GAS SEPARATION MEMBRANE FOR SULFUR DIOXIDE II. SEPARATION CHARACTERISTICS OF MEMBRANE FROM POLY(VINYL ALCOHOL) MODIFIED WITH PROPYL VINYL SUFOXIDE[J]. Acta Polymerica Sinica, 1993,(1):37-41.
GONG Zhang-shui, ZHANG Yi-feng, SHEN Zhi-quan. STUDY ON EFFICIENT PERMSELECTIVE GAS SEPARATION MEMBRANE FOR SULFUR DIOXIDE II. SEPARATION CHARACTERISTICS OF MEMBRANE FROM POLY(VINYL ALCOHOL) MODIFIED WITH PROPYL VINYL SUFOXIDE[J]. Acta Polymerica Sinica, 1993,(1):37-41.DOI:
N2 and separation of SO2-N2 mixed gas through functional polymer membrane of poly (vinyl alcohol) modified with propyl vinyl sulfoxide have been studied. The results show that the membrane possess high permselectivity for SO
and the permeability of SO2 increases with the increase of the sulfoxide content in polymer. Through the membrane with 25 mol % sulfoxide content
SO2 in SO2-N2 mixed gas can be enriched from 1.54% to 78.8% by one single pass.