Process for catalytic tail gas incineration

Details Process for catalytic tail gas incineration Process for catalytic tail gas incineration

2009-03-04

2010-11-02

Vanoy, Timothy C (Department: 1793)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

C423S244010, C423S244060, C423S244090, C423S244100, C423S539000, C423S563000, C423S573100, C423S576800

Reexamination Certificate

active

07824638

ABSTRACT:
This disclosure relates generally to processes for efficient incineration and conversion of the tail gas streams from sulfur recovery units containing sulfur compounds such as H2S, CO2, COS, CS2, and other sulfur species and sulfur vapors from S1to S8to SO2. The present disclosure describes the use of a combination of catalysts to achieve efficient oxidation of all reduced sulfur compounds as well as oxidation of CO and H2to meet the industry emission requirements. The catalytic tail gas incineration process described herein can advantageously operate at lower temperatures, which in turn can represent a savings in reduced fuel gas costs.

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International Search Report for Corresponding International Patent Application No. PCT/US2009/036064, mailed Jun. 22, 2009.
Written Opinion of the International Searching Authority for Corresponding International Patent Application No. PCT/US2009/036064, mailed Jun. 22, 2009.

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