B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/119, 23/341,
B01J 21/16 (2006.01) B01J 21/00 (2006.01) B01J 21/10 (2006.01) B01J 23/00 (2006.01) C01B 17/78 (2006.01) C01B 17/79 (2006.01)
Patent
CA 1318907
-61- ALKALINE EARTH METAL SPINEL/KAOLIN CLAYS AND PROCESSES FOR MAKING AND USING SAME ABSTRACT OF THE DISCLOSURE 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 compostions, e.g., as sulfur oxide and nitrogen oxide removal agent, are also disclosed. D-15, 622
561267
Katalistiks International Inc.
Sim & Mcburney
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