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The anionic clays containing additive to reduce emissions of Sox and a regenerating FCC process to do it
The anionic clays containing additive to reduce emissions of Sox and a regenerating FCC process to do it
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机译:含有添加剂的阴离子粘土可减少Sox的排放并通过再生FCC工艺来实现
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摘要
A process is disclosed for the preparation of an additive-containing anionic clay generally comprising the steps of: a) milling a physical mixture of a divalent metal compound and a trivalent metal compound, b) calcining the milled physical mixture at a temperature in the range of about 200 to about 8000 C, and c) rehydrating the calcined mixture in aqueous suspension to form the additive-containing anionic clay, wherein an additive is optionally present in the physical mixture of step (a) and present in the aqueous suspension of step (c), and the additive is essentially free of vanadium.
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