Method of producing sulfuric acid and installation for...

Details Method of producing sulfuric acid and installation for... Method of producing sulfuric acid and installation for...

2008-03-20

2010-12-21

Vanoy, Timothy C (Department: 1734)

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

C423S563000, C423S564000, C422S129000, C422S187000

Reexamination Certificate

active

07854915

ABSTRACT:
The invention relates to a method of producing sulfuric acid wherein an SO2-containing raw gas produced in a sulfuric-acid recovery plant is passed through at least one reactor in which a catalytic reaction of SO2to SO3takes place, and the SO3thereby formed is converted into sulfuric acid. According to the invention, at least a partial stream of the gas stream leaving the sulfuric-acid recovery plant is hydrogenated with an H2-rich gas in a post-treatment stage. The H2S-containing gas stream formed by the hydrogenation is fed into the H2S gas scrubber of a coke oven plant or a petrochemical plant. The invention also relates to an installation for carrying out the method.

REFERENCES:
patent: 2172617 (1939-09-01), Koolman et al.
patent: 2992884 (1961-07-01), Bienstock
patent: 4012488 (1977-03-01), Brocoff
patent: 4060589 (1977-11-01), Hass et al.
patent: 4302425 (1981-11-01), Gamel
patent: 4919912 (1990-04-01), Taggart et al.
patent: 2658208 (1978-06-01), None
patent: 1 344 471 (1974-01-01), None
patent: 1467083 (1977-03-01), None

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