Drilling geothermal wells with removal of H.sub.2 S

Details Drilling geothermal wells with removal of H.sub.2 S Drilling geothermal wells with removal of H.sub.2 S

1985-11-27

1987-09-29

Therkorn, Ernest G.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423224, 423225, 423573R, 423DIG19, 55 73, 210747, 210763, 606412, C01B 1704, F03G 700

Patent

active

046968024

ABSTRACT:
Geothermal wells are drilled and the raw steam containing H.sub.2 S gas and debris that is released is treated with an aqueous solution containing ferric chelate and one or more water soluble cationic polymeric catalysts to remove substantially all of the H.sub.2 S and the debris is removed in a settling zone. The polymeric catalysts accelerate the oxidation of sulfide ions to sulfur solids.

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patent: 4076621 (1978-02-01), Hardison
patent: 4218342 (1980-08-01), Thompson
patent: 4361487 (1982-11-01), Hills
patent: 4374104 (1983-02-01), Primack
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patent: 4414817 (1983-11-01), Jernigan
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patent: 4468929 (1984-09-01), Jernigan
patent: 4528817 (1985-07-01), Jernigan
patent: 4552668 (1985-11-01), Brown
patent: 4629608 (1986-12-01), Lampton

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