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1.发明授权
公开(公告)号：US3888967A
公开(公告)日：1975-06-10
申请号：US33129873
申请日：1973-02-09
Applicant: SVENSKA CELLULOSA AB
Inventor： ANDERSSON PER-ERIK , HORNTVEDT EINAR
CPC classification number: C01B17/64 , C01B17/06 , Y10S423/03
Abstract: In oxidizing sulphides contained in alkaline aqueous solutions by an oxygen-containing gas, the unwanted production of hydrogen sulphide is prevented by effecting the oxidation in the presence of finely divided active carbon and with vigorous stirring.
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