Heat recovery from concentrated sulfuric acid

Details Heat recovery from concentrated sulfuric acid Heat recovery from concentrated sulfuric acid

C - Chemistry, Metallurgy

01

B

23/116, 23/387

C01B 17/775 (2006.01) B01D 53/18 (2006.01) C01B 17/765 (2006.01)

Patent

CA 1256671

17-21(6214)A HEAT RECOVERY FROM CONCENTRATED SULFURIC ACID ABSTRACT A method and apparatus for the recovery of heat from a sulfuric acid process are provided. Sulfur trioxide is absorbed into hot concentrated sulfuric acid, acid having a concentration greater than 98% and less than 101% and a temperature greater than 120°C., in a heat recovery tower and the heat created by the exothermic reaction is recovered in a useful form in a heat exchanger.

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