C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/115
C01B 17/74 (2006.01)
Patent
CA 1135029
ABSTRACT METHOD FOR THE OXIDATION OF SULFUR DIOXIDE PRESENT IN CONCENTRATED SULFURIC ACID A method for the oxidation of sulfur dioxide in concentrated sulfuric acid is disclosed. The method compri- ses using, as an oxidizing agent, peroxosulfuric acids pro- duced by on-site electrochemical oxidation of either a small diverted portion of the acid to be treated or a separate stream of sulfuric acid. The sulfuric acid is preferably diluted to a concentration of about 50%.
330526
Baltazar Varaujan
Claessens Pierre L.
Houlachi George J.
Noranda Mines Limited
Primak & Co.
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