Method for energy recovery from hydrogen sulfide

Details Method for energy recovery from hydrogen sulfide Method for energy recovery from hydrogen sulfide

2007-10-16

2007-10-16

Vanoy, Timothy C. (Department: 1754)

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

C423S574100, C423S576200, C423S576800, C423S543000

Reexamination Certificate

active

11157196

ABSTRACT:
A method for producing sulfur and energy from an acid gas stream containing hydrogen sulfide by partially combusting the acid gas stream to produce a combustion product gas, mixing a sulfur dioxide stream with the combustion product gas, separating sulfur from the mixture, combusting sulfur to produce sulfur dioxide and heat energy and passing at least a portion of the sulfur dioxide to the combustion product gas.

REFERENCES:
patent: 4632819 (1986-12-01), Fischer et al.
patent: 4849203 (1989-07-01), Palm
patent: 5304361 (1994-04-01), Parisi
patent: 5486345 (1996-01-01), Watson
patent: 6495117 (2002-12-01), Lynn

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