Membrane assisted liquid phase catalytic oxidation of sulfides

A reverse osmosis/nanofiltration technique was applied to recover the soluble catalyst-sodium salt of tetra( sulfophthalocyanine)-cobalt (II) -from the reaction solutions in the liquid phase oxidation of sodium sulfide. Conditions for the efficient recovery of the catalyst were determined. A catalys...

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Bibliographic Details
Published in:Catalysis today 1995-08, Vol.25 (3), p.423-428
Main Authors: Ilinitch, O.M., Vetchinova, Yu.S.
Format: Article
Language:English
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Summary:A reverse osmosis/nanofiltration technique was applied to recover the soluble catalyst-sodium salt of tetra( sulfophthalocyanine)-cobalt (II) -from the reaction solutions in the liquid phase oxidation of sodium sulfide. Conditions for the efficient recovery of the catalyst were determined. A catalyst recovered by reverse osmosis/nanofiltration retains its activity and selectivity, and can be re-used in the reaction. A catalytic membrane was prepared by adsorption of the Co-TSPC catalyst over a porous membrane. Advantages of using the membrane as a catalyst support were demonstrated.
ISSN:0920-5861
1873-4308
DOI:10.1016/0920-5861(95)00117-X