Hot gas, regenerative, supported H.sub.2 S sorbents

Details Hot gas, regenerative, supported H.sub.2 S sorbents Hot gas, regenerative, supported H.sub.2 S sorbents

1990-03-26

1993-10-12

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And group viii containing

502 60, B01J 2018

Patent

active

052525287

ABSTRACT:
Efficient, regenerable sorbents for removal of H.sub.2 S from moderately high temperature (usually 200.degree. C.-550.degree.C.) gas streams comprise a porous, high surface area aluminosilicate support, suitably a zeolite, and most preferably a sodium deficient zeolite containing 1 to 20 weight percent of binary metal oxides. The binary oxides are a mixture of a Group VB or VIB metal oxide with a Group IB, IIB or VIII metal oxide such as V-Zn-O, V-Cu-O, Cu-Mo-O, Zn-Mo-O or Fe-Mo-O contained in the support. The sorbent effectively removes H.sub.2 S from the host gas stream in high efficiency and can be repetitively regenerated at least 10 times without loss of activity.

REFERENCES:
patent: 3953587 (1976-04-01), Lee et al.
patent: 4244937 (1981-01-01), Durkin
patent: 4497902 (1985-02-01), Bertolacini et al.
patent: 4673557 (1987-06-01), Nieskens et al.
patent: 4729889 (1988-03-01), Flytani-Stephanopoulos

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