Process for regenerating waste sulfuric acid

Details Process for regenerating waste sulfuric acid Process for regenerating waste sulfuric acid

1977-12-08

1980-03-25

Vertiz, O. R.

Distillation: processes, separatory

Distilling to separate or remove only water

203 20, 159 46, 203 61, 423527, 423531, 252321, C01B 1790, B01B 102, B01D 1902

Patent

active

041949528

ABSTRACT:
In the regeneration of aqueous waste sulfuric acid by distilling off water often foam is formed which severely interferes with the work-up of the acid. This formation of foam is suppressed by adding alkylsulfonic and/or alkylarylsulfonic acids.

REFERENCES:
patent: 2426088 (1947-08-01), Filbert
patent: 2819948 (1958-01-01), Wilson
patent: 4065402 (1977-12-01), Satterwhite et al.

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