Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component
Patent
1981-10-26
1983-03-08
Vertiz, O. R.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Sulfur or sulfur containing component
423563, 208120, C01B 1700, B01J 800
Patent
active
043761038
ABSTRACT:
Sulfur oxides are removed from a gas with absorbents and then are removed from the absorbents by contact with a hydrocarbon in the presence of a cracking catalyst. The absorbents comprise an exhaustively-exchanged rare-earth-form zeolite and a free form of an inorganic oxide selected from the group consisting of the oxides of aluminum, magnesium, zinc, titanium, and calcium. The sulfur oxides are removed from the absorbents as a sulfur-containing gas which comprises hydrogen sulfide.
REFERENCES:
patent: 4115249 (1978-09-01), Blanton et al.
patent: 4192778 (1980-03-01), Alafardi et al.
patent: 4206039 (1980-06-01), Vasalos
Bertolacini Ralph J.
Hirschberg Eugene H.
Modica Frank S.
Heller Gregory A.
Hinrichs Lansing M.
Magidson William H.
McClain William T.
Standard Oil Company (Indiana)
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