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Improvement of mass transfer coefficient in reverse osmosis by oscillatory flow
Author(s) -
Thayer W. L.,
Pageau Lucien,
Sourirajan S.
Publication year - 1975
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450530411
Subject(s) - reverse osmosis , mass transfer coefficient , mass transfer , membrane , forward osmosis , mechanics , flow (mathematics) , osmosis , chemistry , channel (broadcasting) , materials science , chromatography , engineering , physics , electrical engineering , biochemistry
This paper describes a laboratory apparatus for confined feed liquid reverse osmosis operation. In this apparatus, the mass transfer coefficient on the high pressure side of the membrane is increased by sweeping the membrane surface at a predetermined frequency by a back and forth movement of the feed liquid itself through an adjustable narrow channel in the cell. The utility of the technique for improving membrane performance is illustrated.