Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium
Patent
1984-03-28
1985-08-27
Carter, H. T.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iiia metal or beryllium
423127, 423129, 423132, C01F 702
Patent
active
045377510
ABSTRACT:
Particulate alumina-base catalysts are treated to recycle the alumina by a two-step process: the first step involving conversion of the alumina to aluminum sulfate by reaction with gaseous sulfur trioxide, and the second step involving conversion of the aluminum sulfate to an aluminum hydroxide compound by reaction with an aqueous hydroxide. Both reactions are topochemical, and the aluminum hydroxide compound is prepared in particulate form.
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Encylopedia of Chemical Technology, Kirk-Othmer, article "Sulfuric Acid and Sulfur Trioxide", vol. 19, p. 461.
Carter H. T.
Cavalieri V. J.
Chevron Research Company
LaPaglia S. R.
Turner W. K.
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