Method of separating sulfuric acid from neutral sodium sulfate i

Details Method of separating sulfuric acid from neutral sodium sulfate i Method of separating sulfuric acid from neutral sodium sulfate i

1977-05-09

1978-08-01

Vertiz, O. R.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

23300, 423199, 423478, 423551, C01B 1790, C01D 1506

Patent

active

041043650

ABSTRACT:
A method of separating sulfuric acid from spent chlorine dioxide generator liquor. The method comprises simultaneously adding to the spent liquor, a water-soluble organic compound selected from the group consisting of alcohols and ketones, and water. The resulting solid is separated to leave an aqueous solution of sulfuric acid. The method is of particular application in acid and salt cake recovery from the effluent of a chlorine dioxide generator operating at an acid normality of between 6 and 11.

REFERENCES:
patent: 873070 (1907-12-01), Nibelius
patent: 2482830 (1949-09-01), Allen, Jr.
patent: 3331661 (1967-07-01), Boiston et al.
patent: 3364202 (1968-01-01), De Rooij et al.
patent: 3597168 (1971-08-01), Hoppe et al.
patent: 3760065 (1973-09-01), Rapson
patent: 3928535 (1975-12-01), Schulz
patent: 3980751 (1976-09-01), Foulkes

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