Process and device for desulfurization of a gas, comprising...

Details Process and device for desulfurization of a gas, comprising... Process and device for desulfurization of a gas, comprising...

2010-02-01

2011-11-22

Vanoy, Timothy (Department: 1734)

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

C423S574100, C423S575000, C423S576200

Reexamination Certificate

active

08062619

ABSTRACT:
A process and apparatus for the treatment of a gas that contains hydrogen sulfide and sulfurous anhydride, in which: a) the gas (3) contacts with an organic solvent (1) containing a catalyst in a gas-liquid reactor-contactor (2) so as to recover separately liquid sulfur and; a gas effluent containing sulfur vapor; subjecting the gas effluent to a first condensation zone (7) operating at 70-100° C. to deposit the sulfur in solid form on sufficiently cold walls of the equipment in zone (7), recovering resultant purified gas containing less than 30 ppm by volume of sulfur melting the deposited solid sulfur to regenerate the equipment, and recycling resultant liquefied sulfur to the reactor contactor.

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patent: 0900451 (2009-09-01), None

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