Process for concentrating or purifying sulphuric acid

Details Process for concentrating or purifying sulphuric acid Process for concentrating or purifying sulphuric acid

C - Chemistry, Metallurgy

01

B

C01B 17/90 (2006.01) B01J 19/02 (2006.01) C01B 17/80 (2006.01) C01B 17/88 (2006.01) C22C 38/40 (2006.01) H05B 3/78 (2006.01) C22C 19/03 (2006.01) C22C 27/06 (2006.01)

Patent

CA 2236620

The invention relates to a process for concentrating or purifying sulphuric acid by evaporation to a concentration amounting to between 95 and 98 % H2SO4, optionally with addition of oxidising agents with a view to destroying organic contaminants.

L'invention porte sur une méthode pour concentrer ou purifier de l'acide sulfurique par évaporation à une concentration atteignant entre 95 et 98 % de H2SO4, avec facultativement addition d'agents oxydants pour détruire les contaminants organiques.

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