Reducing the consumption of anthraquinone disulfonate in Stretfo

Details Reducing the consumption of anthraquinone disulfonate in Stretfo Reducing the consumption of anthraquinone disulfonate in Stretfo

1974-08-14

1976-08-03

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423226, 423571, C01B 1704

Patent

active

039729893

ABSTRACT:
The consumption of anthraquinone disulfonate by oxidation, employed in the Stretford process which treats hydrogen sulfide-containing gases to yield a sulfur-free effluent gas and elemental sulfur, is reduced by the addition of a chemical precursor to the solution which increases the thiosulfate ion concentration of the solution.

REFERENCES:
patent: 3627465 (1971-12-01), Hamblin
patent: 3642448 (1972-02-01), Beavon

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