Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Silicon containing or process of making
Patent
1994-06-02
1996-11-19
Lewis, Michael
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Silicon containing or process of making
502234, 502236, 502237, 423326, 423338, 423339, B01J 2106
Patent
active
055762620
ABSTRACT:
A method of making chromium containing oxide gel-based catalyst wherein an oxide hydrogel is convened to a xerogel by azeotropic distillation of a mixture of said hydrogel and an organic solvent, the improvement comprising impregnating the gel with a chromium compound during azeotropic distillation by incorporating said chromium compound into said mixture before azeotropic distillation and wherein the organic solvent used is selected from the group consisting of ethoxy ethyl acetate, tert-butyoxy propanol, methoxy propyl acetate, n-butoxy propanol, ethoxy ethyl propionate and mixtures thereof.
REFERENCES:
patent: 3887494 (1975-06-01), Dietz
patent: 3900457 (1975-08-01), Witt
patent: 4081407 (1978-03-01), Short et al.
patent: 4152503 (1979-05-01), Short et al.
patent: 4169926 (1979-10-01), McDaniel
patent: 4436882 (1984-03-01), Witt
patent: 4436883 (1984-03-01), Witt
patent: 4476243 (1984-10-01), Dombro
patent: 5206189 (1993-04-01), Caldwell
Capria Mary Ann
Hendrickson Stuart L.
Lewis Michael
W. R. Grace & Co.,-Conn.
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