Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component
Patent
1987-03-13
1989-05-16
Heller, Gregory A.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Nitrogen or nitrogenous component
423244, 208113, 208120, B01J 800, C01B 1700
Patent
active
048308404
ABSTRACT:
A process for the production of an alkaline earth metal, aluminum-containing spinel/clay composition comprises: (a) combining (1) an acidic, aluminum-containing composition in which the aluminum is present in a positively charged species, and (2) a basic, alkaline earth metal-containing composition to form a gel mixture; (b) mixing the gel with kaolin clay to form a co-gel; and (c) calcining the co-gel mixture to form the alkaline earth metal, aluminum-containing spinel composition in a clay matrix. Alkaline earth metal, aluminum-containing spinel/clays having both high surface areas and very high attrition resistance, and processes for using spinel/clay compositions, e.g., as sulfur oxide and nitrogen oxide removal agent, are also disclosed.
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Heller Gregory A.
UOP
Vasta, Jr. Vincent J.
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