Process for producing hydrogen fluoride

Details Process for producing hydrogen fluoride Process for producing hydrogen fluoride

C - Chemistry, Metallurgy

01

B

23/180

C01B 7/19 (2006.01)

Patent

CA 1191017

ABSTRACT: A process for producing hydrogen fluoride with use of fluorite as starting material and by conducting reactions in a first reactor and a second reactor wherein a reaction of fluorite with sulfuric acid, sulfuric anhydride and steam in the first reactor is conducted at a conversion of from 35 to 90% while maintaining the reaction temper- ature within a range of from 140 to 240°C by controlling the respective amounts of the sulfuric anhydride, steam and sulfuric acid.

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