Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component
Patent
1990-12-27
1993-05-04
Dees, Carl F.
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
And additional al or si containing component
502 84, B01J 2116, B01J 2012
Patent
active
052081966
ABSTRACT:
Novel aluminum bridged clays having an interfoliate spacing of at least 1 nm, well adapted as catalysts/catalyst supports, are prepared by (a) controlledly introducing an aqueous solution of a hydroxide base into an aqueous reaction medium containing suspended clay particulates and a dissolved aluminum salt, at a rate and for such period of time that the ratio of the concentration [C] of the base, in moles of OH.sup.- and expressed in moles/liter, to the duration (h) of introducing such OH.sup.- values, expressed in hours, is at least 0.1, and (b) recovering the reaction product bridged clay thus produced (and optionally drying/lyophilizing and/or calcining same).
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Chemical Abstracts, vol. 110, No. 12, Mar. 20, 1989, p. 171.
Chemical Abstracts, vol. 102, No. 5, Feb. 4, 1985, p. 527.
Aubry Alain
Popa Jean-Michel
Dees Carl F.
Rhone-Poulenc Chimie
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