서지주요정보
가교된 폴리비닐알코올 막을 통한 2-프로판올 수용액의 투과증발 = Prevaporation of aqueous 2-propanol solution through crosslinked PVA membrane
서명 / 저자 가교된 폴리비닐알코올 막을 통한 2-프로판올 수용액의 투과증발 = Prevaporation of aqueous 2-propanol solution through crosslinked PVA membrane / 이철행.
저자명 이철행 ; Lee, Chul-Haeng
발행사항 [대전 : 한국과학기술원, 1996].
Online Access 원문보기 원문인쇄

소장정보

등록번호

8006581

소장위치/청구기호

학술문화관(문화관) 보존서고

MCHE 96026

휴대폰 전송

도서상태

이용가능

대출가능

반납예정일

초록정보

Pervaporation(PV) is a technique that consists of sorption, diffusion and evaporation. Dense crosslinked poly(vinyl alcohol)(PVA) membranes of different degree of hydrolysis were prepared and studied in sorption and pervaporation of water-2-propanol mixtures. High selectivities for water were obtained with all type of membranes. Sorption rate of pure water and equilibrium sorption of mixtures increased with the increment of temperature but decreased with the increase of degree of hydrolysis of PVA. Partial flux of water Permeation increases linearly with the water content in the liquid mixture and partial flux of 2-propanol has a maximum point at 40 wt% IPA. Permeation flux and selectivity depend strongly on the degree of hydrolysis of PVA and the temperature of system. A mathematical model for the permeation of liquid mixtures through polymeric membranes taking into account the coupling of fluxes has been developed. The free volume parameter of Fujita's free volume theory was modified in this study.

서지기타정보

서지기타정보
청구기호 {MCHE 96026
형태사항 ix, 79 p. : 삽도 ; 26 cm
언어 한국어
일반주기 저자명의 영문표기 : Chul-Haeng Lee
지도교수의 한글표기 : 홍원희
지도교수의 영문표기 : Won-Hi Hong
학위논문 학위논문(석사) - 한국과학기술원 : 화학공학과,
서지주기 참고문헌 : p. 75-79
주제 투과증발
가교된 폴리비닐알코올
가수분해정도
물-2-프로판올
Pervaporation
Crosslinked PVA
Degree of hydolysis
Water-2-propanol
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