Removal of hydrogen sulfide from fluid streams

Details Removal of hydrogen sulfide from fluid streams Removal of hydrogen sulfide from fluid streams

1990-10-03

1994-08-16

Straub, Gary P.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423226, 423230, 42324307, 4235731, C01B 1700

Patent

active

053387783

ABSTRACT:
H.sub.2 S is removed from a fluid stream by contacting the stream with an aqueous solution having at least two components: an effective amount of an iron (III) chelate to oxidize H.sub.2 S to sulfur and, an amount of a water soluble anionic polymer containing sulfonic acid groups, carboxyl groups or mixtures thereof which is effective to stabilize the chelate. During the removal process the iron chelate is reduced to iron(II) chelate, and sulfur particles are produced.

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patent: 4784838 (1988-11-01), Paul et al.
patent: 4818506 (1989-04-01), Lin
patent: 4859437 (1989-08-01), Grinstead
patent: 4880609 (1989-11-01), Naraghi
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Webster's New Collegiate Dictionary, G & C Merriam Co., Springfield, Massachusetts, 1977, p. 306.

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