Process for removal of hydrogen sulphide using specific iron oxi

Details Process for removal of hydrogen sulphide using specific iron oxi Process for removal of hydrogen sulphide using specific iron oxi

1989-07-25

1990-09-11

Stoll, Robert L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

210749, 210751, 252 851, 502316, C01B 1716, C01B 3120, C02F 168

Patent

active

049561600

ABSTRACT:
Hydrogen sulphide is removed (for example from drilling muds) using porous iron oxides which consist to the extent of at least 80% by weight of Fe.sub.3 O.sub.4 and in which at least 10% of their pore volume is in the form of pores of diameters in the range from 2000 to 6000 .ANG..

REFERENCES:
patent: 4008775 (1977-02-01), Fox
World Oil, Band 179, No. 1, Jul. 1974, Seiten173-179, Gulf Publishing Co., Houston, Tex., US, "New mud additive will neutralize H2S".
G. R. Gray et al., "Composition and properties of oil well drilling fluids", 4, Ausgabe, 1981, Seiten 460-464, 590, Gulf Publishing Co., Houston, US.

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