Process for converting sulfitic solutions by means of ammonium b

Details Process for converting sulfitic solutions by means of ammonium b Process for converting sulfitic solutions by means of ammonium b

1977-10-11

1979-03-27

Vertiz, O. R.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

C01B 1750

Patent

active

041465792

ABSTRACT:
This process avoids the disadvantages of admixing hot molten ammonium bisulfate with ammonium sulfites solutions. Overflowing hot molten ammonium bisulfate is admixed with a stream of aqueous ammonium bisulfate solution, said solution being preferably circulated in a closed loop. A portion of the resulting solution is then used to acidify the ammonium sulfites solution.

REFERENCES:
patent: 2405747 (1946-08-01), Hixson et al.
patent: 3676059 (1972-07-01), Welty, Jr.
patent: 3880983 (1975-04-01), Welty, Jr. et al.

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