Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Patent
1993-03-11
1994-08-09
Skaling, Linda
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
502219, 502220, 502151, 502174, 502210, 502211, B01J 3720, B01J 3708, B01J 27049, B01J 27043
Patent
active
053366549
ABSTRACT:
A method for the preparation of catalysts for heteroatom removal, particularly sulfur, from petroleum and synthetic fuel feedstocks. The catalyst is comprised of at least one Group VIII metal, and at least one Group VI metal, on a refractory support. The present method for preparing said catalysts comprises impregnating the Group VIII metal onto the refractory support by use of a Group VIII metal salt of an acid, and impregnating the Group VI metal onto the support by way of a Group VI heteropolyacid, wherein the acid comprising the salt of the Group VIII metal is less acidic than the heteropolyacid. The catalysts are then subjected to a heat treatment which includes a first phase wherein the catalyst is dried of free water and a second phase wherein the catalyst is heated to a temperature up to about 300.degree. C. at a heating rate from about 0.15.degree. C./min to about 15.degree. C./min.
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Aldridge Clyde L.
Riley Kenneth L.
Exxon Research and Engineering Company
McGinty Douglas J.
Naylor Henry E.
Skaling Linda
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