Chemcat Corporation

Frank J Elvin

Jin S Yoo

Jan-Erik Otterstedt

A process for the production of molecular hydrogen and demetallization of solid particles comprising:

Hydrogen production and catalyst demetallization process

A process for treating a catalyst useful to promote the conversion of a substantially hydrocarbon feedstock containing at least one first metal at least a portion of which is deposited on the catalyst forming a first metal-containing catalyst, which process comprises:

Catalyst treatment and process for using treated catalyst

A process for treating a virgin catalyst useful to promote hydrocarbon conversion, e.g., cracking at hydrocarbon conversion, e.g., cracking, conditions comprising:

Virgin catalyst treatment

A process for treating a catalyst contaminated with at least one metal which was so contaminated while promoting conversion of a substantially hydrocarbon feedstock containing the metal comprising at least one of the following: (1) contacting the catalyst component to increase the ammonium ion-containing component to increase the ammonium ion content of the catalyst; and (2) contacting the catalyst with at least one rare earth metal ion-containing component to increase the rare earth metal ion content of the catalyst. Improved hydrocarbon conversion processes are also disclosed.

Regeneraation of metal contaminated hydrocarbon conversion catalytsts

An improved catalyst demetallization process involves chlorinating the metal contaminated catalyst at elevated temperatures and contacting the chlorinated catalyst with a liquid aqueous composition to produce a demetallized catalyst. Improved catalytic activity is obtained utilizing a catalyst comprising at least one crystalline material capable of promoting the hydrocarbon conversion, and cooling the chlorinated catalyst prior to contact with the liquid aqueous composition. An improved hydrocarbon conversion process is also disclosed.

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Kenner, LA, United States of America

Frank J Elvin