Phillips Petroleum Company

Richard E Lowery

Michael K Maholland

Chia-Min Fu

Denton C Fentress

Donald H Kubicek

Kent E Mitchell

Don W Godbehere

Brent J Bertus

Howard F Efner

Warren M Ewert

Paul F Schubert

Donald Ray Engelbert

Ralph E Bonnell

Norman L Freeman, Jr

Chia M Fu

Bruce W Gordon

Barry N Steger

Dodnald H Kubicek

Larry S Maddox

Jim L Wright

James L Wright

Norman L Freeman

Don Wayne Godbehere

Kent Edward Mitchell

Larry Steven Maddox

Howard Franklin Efner

Catalyst supports, catalyst systems, methods for the preparation thereof, and dimerization process therewith are provided catalyst supports are extruded from a thick paste of potassium carbonate and water catalyst systems comprise at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises at least one promoter.

Potassium carbonate supports, catalysts, and olefin dimerization

A novel composition comprising zinc oxide, zinc phosphate and, optionally, alumina is described which can effectively be used to remove sulfur compounds from a fluid stream by contacting said fluid stream under suitable absorption conditions with the novel composition. A novel method of producing an absorption composition is described where the steps include the formation of a composition comprising zinc oxide, zinc phosphate and, optionally, alumina.

Process for removing sulfur compounds

This invention concerns an improved means of oxidizing aqueous dispersions of antimony trioxide to colloidal hydrous antimony pentoxide in a continuous flow system. The oxidant is hydrogen peroxide and the continuous flow system nominally consists of a static mixer and a tubular reactor.

Continuous antimony pentoxide production

A spent metal-contaminated zeolite-containing catalytic cracking catalyst is reactivated by a process which comprises contacting the spent catalyst with at least one dissolved carboxylic acid and at least one antimony compound.

Reactivation and passivation of spent cracking catalysts

Preparation of alkali metal/alkaline earth metal oxide catalyst on a refractory metal oxide support by using at least one suitable organic or inorganic acid. Catalysts prepared by this method have and exhibit superior catalytic activity.

Preparation of alkaline earth oxide catalysts

A spent metal contaminated zeolite-containing catalytic cracking catalyst composition is reactivated by a process which comprises contacting with an aqueous solution of HC1 and/or HNO.sub.3 and/or H.sub.2 SO.sub.4. The thus reactivated catalyst composition can be employed in a catalytic cracking process.

Reactivation of spent, metal-containing cracking catalysts

A spent metal contaminated zeolite-containing catalytic cracking catalyst composition is reactivated by a process which comprises contacting with an aqueous solution of at least one carboxylic acid (preferably at least one of formic acid, acetic acid, citric acid and lactic acid). The thus reactivated catalyst composition can be employed in a catalytic cracking process.

Reactivation of spent cracking catalysts

A method to prepare spherical particles comprising magnesium oxide and magnesium hydroxide, wherein said magnesium hydroxide acts as a binder and no extraneous binder is present.

Process for making magnesium oxide spheres

A process for reactivating a spent, metal-contaminated zeolite-containing catalytic cracking catalyst composition comprises partially demetallizing (preferably by chlorinating and washing) the spent catalytic cracking catalyst composition, and thereafter contacting it with at least one fluorine compound (preferably NH.sub.4 F) and at least one antimony compound. The thus reactivated catalytic cracking catalyst composition is employed in a catalytic cracking process.

Demetallization and passivation of spent cracking catalysts

A process for reactivating a spent, metal-contaminated zeolite-containing cracking catalyst composition comprises the substantially simultaneous contacting with a fluorine compound (preferably HH.sub.4 F) and a metals passivating agent (preferably a compound of Sb or Ca). The thus reactivated cracking catalyst composition is employed in a catalytic cracking process.

Reactivation of metal-contaminated cracking catalysts

A process for reactivating a spent, metal-contaminated zeolite-containing catalytic cracking catalyst composition comprises contacting the spent catalyst composition with an acidified aqueous NH.sub.4 NO.sub.3 solution, thereafter with a suitable fluorine compound (preferably dissolved NH.sub.4 F), and, optionally, additionally with an antimony compound. The thus prepared reactivated cracking catalyst composition is used in a process for catalytically cracking a liquid hydrocarbon-containing feed.

Treatment of spent cracking catalysts

A process is disclosed for producing a powdered antimony pentoxide composition that rapidly disperses on contact with water. The process comprises spray drying the antimony sol at a temperature of from 180.degree. to 210.degree. F.

Rapidly dispersible compositions of antimony pentoxide

The efficiency of salt-forming reactions between antimony compounds and hydrocarbylphosphorodithioic acids is improved by adding the antimony compounds in small increments.

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Muscatine, IA, United States of America

Richard E Lowery