C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
252/116
C01F 7/00 (2006.01) B01J 23/00 (2006.01) B01J 23/02 (2006.01) C01F 7/16 (2006.01) C01F 17/00 (2006.01) C01G 29/00 (2006.01) C01G 30/00 (2006.01) C10G 11/05 (2006.01)
Patent
CA 1201706
ABSTRACT OF THE DISCLOSURE An improved process for the production of alkaline earth, aluminum-containing spinel compositions, preferably magnesium, aluminum-containing spinel compositions and preferably further comprising at least one additional metal component, comprises combining an acidic aqueous solution and a basic aqueous solution containing an aluminum component to form a combined mass; combining the combined mass with an aqueous solution containing at least one alkaline earth metal to form a precipitate; and calcining the precipitate to form a spinel composition. The product spinel composition, preferably with included additional metal components, is particularly suited for use to reduce the amount of sulfur oxides emitted from a catalyst regeneration zone, e.g., a catalytic cracking unit regeneration zone.
438115
Osler Hoskin & Harcourt Llp
W.r. Grace & Co.,-Conn.
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