LAWRENCE H FINKEL
Engineers in Delaware

6525232, Feb 25, 2003

Jul 22, 1994

08/278782

Thomas W. Bierl - West Chester PA
Vincent A. Durante - West Chester PA
Lawrence H. Finkel - Wayne PA
Daniel E. Resasco - Norman OK

Sunoco, Inc. (RM) - Philadelphia PA

C07C 5393

585440, 585441, 585444, 585445, 585654

The invention provides process and apparatus for conducting an endothermic reaction of an organic compound in the presence of molecular hydrogen and of multicomponent solids. The process comprises contacting the compound with a solid catalyst for the endothermic reaction and a hydrogen oxidizing solid reagent intermixed with the solid catalyst. Organic products of the endothermic reaction are produced, with evolution of molecular hydrogen. The solid catalyst becomes gradually deactivated by formation of carbonaceous deposits thereon. The evolved hydrogen undergoes an exothermic reaction with the hydrogen oxidizing solid reagent to form a reduction product which comprises deactivated hydrogen oxidizing solid reagent. The deactivated solid catalyst is reactivated by combustion of carbonaceous deposits thereon and the deactivated hydrogen oxidizing solid reagent is reactivated by contacting the reagent with an oxidizing agent in the absence of substantial quantities of hydrogen and in the absence of substantial quantities of organic compounds other than those on the surface of the reagent. One embodiment of the invention provides apparatus in which an endothermic reaction is carried out in the presence of a fluidized bed of catalyst and in the presence of particles of granular hydrogen oxidizing solid reagent which move downwardly through the fluidized catalyst bed, and in which the solid catalyst and solid reagent are separated prior to reactivation thereof in separate reactivation zones.

6872364, Mar 29, 2005

Dec 30, 2002

10/331367

Thomas W. Bierl - West Chester PA, US
Vincent A. Durante - West Chester PA, US
Lawrence H. Finkel - Wayne PA, US
Daniel E. Resasco - Norman OK, US

Sunoco, Inc. (R&M) - Philadelphia PA

F27B015/14, C07C005/393

422139, 422142, 422144, 422145, 422147

An apparatus for conducting an endothermic reaction of an organic' compound in the presence of molecular hydrogen and of multicomponent solids is described. The process of operating the apparatus comprises contacting the compound with a solid catalyst for the endothermic reaction and a hydrogen oxidizing solid reagent intermixed with the solid catalyst. Organic products of the endothermic reaction are produced, with evolution of molecular hydrogen. The solid catalyst becomes gradually deactivated by formation of carbonaceous deposits thereon. The evolved hydrogen undergoes an exothermic reaction with the hydrogen oxidizing solid reagent to form a reduction product which comprises deactivated hydrogen oxidizing solid reagent. The deactivated solid catalyst is reactivated by combustion of carbonaceous deposits thereon and the deactivated hydrogen oxidizing solid reagent is reactivated by contacting the reagent with an oxidizing agent in the absence of substantial quantities of hydrogen and in the absence of substantial quantities of organic compounds other than those on the surface of the reagent. The apparatus provides an endothermic reaction which is carried out in the presence of a fluidized bed of catalyst and in the presence of particles of granular hydrogen oxidizing solid reagent which move downwardly through the fluidized catalyst bed, and in which the solid catalyst and solid reagent are separated prior to reactivation thereof in separate reactivation zones.

4469491, Sep 4, 1984

Apr 19, 1982

6/369961

Lawrence H. Finkel - Wayne PA

Sun Tech, Inc. - Philadelphia PA

B01D 340, B01D 5314, C07C 711

55 29

A process for the separation of diisopropylether from a hydrocarbon stream containing it, by contacting the stream with ethylene glycol whereby the diisopropylether is absorbed by the glycol and a purified hydrocarbon stream is separated therefrom.