Method of oxidizing sulfide-containing liquor

Details Method of oxidizing sulfide-containing liquor Method of oxidizing sulfide-containing liquor

C - Chemistry, Metallurgy

02

F

362/12

C02F 9/00 (2006.01) B01D 24/02 (2006.01) C01B 17/22 (2006.01)

Patent

CA 1297212

METHOD OF OXIDIZING SULFIDE-CONTAINING LIQUOR Abstract A method of treating an aqueous sodium sulfide solution, such as white liquor in kraft pulping systems, for the oxidation of the sulfide with an oxygen-containing gas in the presence of a particulate activated carbon catalyst having an average particle diameter of 0.2-4 mm, a pore volume of at least 0.25 cc/g in pores with diameters of not smaller than 100 .ANG. and a pore volume of at least 35 % of the total pore volume in pores with diameters of not smaller than 100 .ANG..

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