Method for the regeneration of sulfided cerium oxide back to a f

Details Method for the regeneration of sulfided cerium oxide back to a f Method for the regeneration of sulfided cerium oxide back to a f

1988-04-21

1989-08-15

Heller, Gregory A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Rare earth metal

423230, 423244, 423263, C01F 1700

Patent

active

048572802

ABSTRACT:
A method for the regeneration of sulfur containing cerium compounds formed by the desulfurization of fluid materials containing sulfur with cerium oxide back to its original form, CeO.sub.2, wherein the sulfur containing cerium compounds are removed from contact with the fluid material containing sulfur; the temperature of the sulfur containing cerium compounds is raised above the temperature at which cerium sulfate dissociates; and the sulfur containing cerium compounds whose temperature is above the temperature at which cerium sulfate dissociates is exposed to an oxidizing atmosphere.

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Philip S. Lowell et al., "Selection of Metal Oxides for Removing SO.sub.2 from Flue Gas", Ind. Eng. Chem. Process Des. Develop., vol. 10, No. 3, 1971.

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