Use of sulfur dioxide for corrosion inhibition in acid gas scrub

Details Use of sulfur dioxide for corrosion inhibition in acid gas scrub Use of sulfur dioxide for corrosion inhibition in acid gas scrub

1987-12-28

1989-08-15

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

429229, 252189, 252387, C01B 1716, C01B 3120

Patent

active

048572837

ABSTRACT:
Disclosed is a process for scrubbing acid gases from an H.sub.2 -containing acid gas stream by use of an aminecontaining aqueous scrubbing solution wherein the corrosion of metal surfaces in contact with such a solution is inhibited by use of an effective amount of sulfide dioxide.

REFERENCES:
patent: 3438660 (1969-04-01), Scheverman et al.
patent: 3634232 (1972-01-01), Dunlop
patent: 3887330 (1975-06-01), Horvath
patent: 4071470 (1978-01-01), Davidson et al.
patent: 4143119 (1979-03-01), Asperger et al.
patent: 4541946 (1985-09-01), Jones et al.

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