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Modification of cellulose acetate: Its characterization and application as an ultrafiltration membrane
Author(s) -
Sivakumar M.,
Mohanasundaram A. K.,
Mohan D.,
Balu K.,
Rangarajan R.
Publication year - 1998
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/(sici)1097-4628(19980314)67:11<1939::aid-app13>3.0.co;2-p
Subject(s) - membrane , cellulose acetate , ultrafiltration (renal) , cellulose , copper , chemical engineering , porosity , casting , materials science , permeation , regenerated cellulose , metal ions in aqueous solution , polymer chemistry , chemistry , metal , nuclear chemistry , chromatography , organic chemistry , composite material , biochemistry , engineering
The development of cellulose acetate blend membranes using a commercial grade Mycell cellulose acetate and cellulose diacetate with suitable pore structure is discussed. These membranes were characterized in terms of resistance of the membrane, pure water flux, the molecular weight cutoff, water content, pore size, and porosity. The removal of copper metal ions by this blend membrane using polyethyleneimine as a chelating agent was studied. The effects of copper ion concentration and casting solution composition on separation are also discussed. A possible correlation between feed and permeate concentration of copper ion is evaluated. © 1998 John Wiley & Sons, Inc. J Appl Polym Sci 67:1939–1946, 1998