Stripping sulphur compounds from stack and other discharge gases

Details Stripping sulphur compounds from stack and other discharge gases Stripping sulphur compounds from stack and other discharge gases

1977-11-28

1979-12-11

Vertiz, O. R.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423529, C01B 1772

Patent

active

041783573

ABSTRACT:
Stack gases derived from combustion of hydrocarbons are scrubbed by direct contact with an inert liquid capable of taking sulphur compounds into solution. The inert liquid pregnant with sulphur compounds is injected into a reactor where the sulphur compounds are converted into sulphurous acid or in the presence of a catalyst wet oxidized into sulphuric acid. Product acid is withdrawn from the reactor and the stripped inert liquid is returned to the scrubber to repeat the process. Waste heat is captured for further useful work.

REFERENCES:
patent: 3350075 (1967-10-01), Douglas
patent: 3762133 (1973-10-01), Merriman et al.
patent: 3831348 (1974-08-01), Pap
patent: 3849541 (1974-11-01), Bertrand
patent: 3860402 (1975-01-01), Strom et al.
patent: 3938738 (1976-02-01), Nagel et al.
patent: 3963611 (1976-06-01), Dardenne-Awkringa, Jr.
patent: 4049398 (1977-09-01), Vaseen

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