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ISSN : 1226-0088(Print)
ISSN : 2288-7253(Online)
Membrane Journal Vol.23 No.2 pp.176-184

중공사 복합막을 이용한 다성분계 휘발성 유기 화합물 투과 특성

최 휘 문*, 조 순 행*, 김 순 태*, 이 충 섭**, 남 상 용***,†
*아주대학교 환경공학과, **(주)에어레인
***경상대학교 나노신소재공학부, 공학연구원

VOCs Permeation Property of Composite Hollow Fiber Membranes

Sang Yong Nam***,†, Whee Moon Choi*, Soon Haing Cho*, Soon Tae Kim*, Chung Seop Lee**
***School of Materials Science and Engineering, Engineering Research Institute, Gyeongsang National University, Jinju 660-701, Korea
*Department of Environmental Engineering, Ajou University, Suwon 443-749, Korea
**Airrane Co. Ltd, Daejeon 306-791, Korea
(Received April 9, 2013, Revised April 26, 2013, Accepted April 26, 2013)


To investigate the performance of VOC separation, composite hollow fiber membrane was prepared which composed of poly (ether imide) support prepared by phase separation method and poly (dimethylsiloxane) coating active layer. The performances of the membranes for the application of recovery process in terms of their morphology, gas permeance test for N2 and O2 gases. Durability against benzene, toluene and xylene was also investigated. And permeation test for multi-component VOCS through the membrane with different feed concentration and stage-cut were investigated. Permeance of PEI supported membrane and the membranes coated with PDMS decreased from 45,000 GPU to 63 GPU and 49,450 to 30 GPU for N2 and O2, respectively. Recovery efficiency and concentration of VOCs in permeate ncreased with decreasing stage-cut. VOCs concentration in permeate proportionally increased with increasing feed concentration but concentration ratio and recovery efficiency showed any noticeable changes with feed concentration change.