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Composite reverse osmosis membranes prepared by plasma polymerization of allylamine. Evaluation of membrane performance for the treatment of washwater and its components
Author(s) -
Hinman P. V.,
Bell A. T.,
Shen M.
Publication year - 1979
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.1979.070231220
Subject(s) - allylamine , membrane , reverse osmosis , chemical engineering , polymer chemistry , interfacial polymerization , polyelectrolyte , substrate (aquarium) , acrylic acid , polymerization , nanofiltration , sodium , materials science , vinyl chloride , chemistry , chromatography , organic chemistry , copolymer , polymer , biochemistry , monomer , oceanography , engineering , geology
Reverse osmosis membranes prepared by plasma polymerization of allylamine–nitrogen mixtures over a porous substrate were evaluated for the rejection of components present in washwater. The membranes exhibited high rejections for sodium chloride, potassium chloride, detergent, and dextrose. High rejections of urea could be achieved, but only at a sacrifice of water flux. Lactic acid could also be rejected but caused a degradation of the plasma‐deposited layer.