Texaco Inc.

Ajit K Bhattacharya

Guillermo Prada-Silva

Mahendra S Patel

Jitendra A Patel

Robert M Gipson

Chakka Sudhakar

Gerald G Sandford

John T Nolan, Jr

Glenn A Clausen

Jeffrey B Harrison

Michael Sheppard Bolmer

David Durham Chess

Michael K Porter

Raymond J Malouf

George R Tamalis

Jeffery B Harrison

An improved ebullated bed hydroconversion process is disclosed that utilizes a bimodal heterogeneous catalyst and a metal containing oil-miscible-catalysts compound to achieve a reduction in sediment, an increase in conversion, a reduction in the energy utilized to maintain reaction conditions and increases the stability of the ebullated catalyst bed. The oil-miscible compound may be provided in a concentration so as to provide about 1 to about 60 wppm metal based on the charge hydrocarbon oil.

Hydroconversion process

Naphtha is selectively hydrodesulfurized using spent resid upgrading catalyst to remove sulfur while minimizing loss in octane level due to olefin saturation.

Selective hydrodesulfurization of naphtha using spent resid catalyst

A method of catalytically hydroconverting a hydrocarbon feed stream containing a substantial quantity of components boiling above about 1000.degree. F. to convert a substantial portion thereof to components boiling below 1000.degree. F. is disclosed. More particularly, aromatic heavy oil additive, such as Heavy Cycle Gas Oil, is added to a heavy hydrocarbon feed stream and the stream is contacted with a solid catalyst and an oil-miscible metal naphthenate. The method disclosed herein advantageously substantially eliminates plugging of the hydroconversion reactor and minimizes the amount of insolubles in the total liquid product.

Hydroprocessing of heavy hydrocarbonaceous feeds

A waste molybdenum-containing stream recovered from the work-up of a reaction mixture wherein propylene has reacted with t-butyl hydroperoxide to form propylene oxide (in the presence of a complex of ethylene glycol and a molybdenum compound) is passed as an oil-miscible/soluble molybdenum-containing catalyst to a reaction wherein heavy hydrocarbon is hydroconverted to lower boiling products in the presence of heterogeneous catalyst.

Hydroconversion process containing a molybdenum complex recovered from

An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol with carbon monoxide and oxygen in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and a urea or a mixture of ureas as a cosolvent for the catalyst system.

Urea cosolvents for organic carbonate process

A method for preparing a mixture of lower aliphatic alcohols from the reaction of carbon monoxide and hydrogen in the presence of a sulfide-containing heavy metal catalyst under carbon-monoxide-hydrogenation conditions in which said catalyst comprises at least one sulfided heavy metal element selected from the group consisting of molybdenum, tungsten, rhenium, and an alkali or alkaline earth promoter which has been treated with a nitrogen-containing compound, or a theramlly stable derivative thereof is provided.

Catalyst treatment process

An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol, oxygen, and carbon monoxide in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and boron trifluoride, calcium chloride, benzyltriethylammonium chloride, etc. as promoters.

Catalyst for preparation of dimethyl carbonate

A method for preparing a mixture of lower aliphatic alcohols from the reaction of carbon monoxide and hydrogen in the presence of an oxide-containing heavy metal catalyst under carbon monoxide-hydrogenation conditions in which said catalyst comprises an alumina support, at least one heavy metal oxide selected from the group of oxides consisting of molybdenum, tungsten, rhenium, optionally, a heavy metal oxide from the group of elements consisting of cobalt, iron and nickel, and an alkali or alkaline earth promotor which has been treated with a nitrogen-containing compound, or a thermally stable derivative thereof is provided.

Base-modified metal oxide catalysts for the conversion of synthesis gas

A method for preparing a mixture of lower aliphatic alcohols from the reaction of carbon monoxide and hydrogen in the presence of a zeolite-containing heavy metal catalyst under carbon monoxide-hydrogenation conditions in which said catalysts comprises a zeolite support, at least one heavy metal oxide selected from the group of oxides consisting of molybdenum, tungsten, rhenium, optionally, a heavy metal oxide from the group of elements consisting of cobalt, iron and nickel and an alkali or alkaline earth promoter which has been treated with a nitrogen-containing compound, or a thermally stable derivative thereof is provided. A method for preparing zeolite-containing catalysts by treating with volatile metal complexes at high pressure is also provided.

Base-modified zeolite-containing catalysts for the conversion of

An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol and carbon monoxide in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and boron trifluoride, calcium chloride, benzyltriethylammonium chloride, etc. as promoters.

Preparation of dimethyl carbonate

A method for preparing a mixture of lower aliphatic alcohols from the reaction of carbon monoxide and hydrogen in the presence of a sulfide-containing heavy metal catalyst under carbon monoxide-hydrogenation conditions in which said catalyst comprises at least one sulfided heavy metal element selected from the group consisting of molybdenum, tungsten, rhenium, and an alkali or alkaline earth promoter which has been treated with a nitrogen-containing compound, or a thermally stable derivative thereof is provided.

Synthesis gas to alcohols process

An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol with carbon monoxide and oxygen in the presence of a catalyst system containing Cu(OMe)Cl as a catalyst and a pyridine compound as a ligand of the catalyst system.

Pyridine ligands for preparation of organic carbonates

An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol with carbon monoxide oxygen in the presence of a catalyst system containing Cu(OMe)Cl as a catalyst and a phosphoramide as an additive for the catalyst system.

Phosphoramide additives for preparation of organic carbonates

An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol with carbon monoxide and oxygen in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and a cyclic amide as an additive or cosolvent for the catalyst system.

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Hopewell Junction, NY, United States of America

Ajit K Bhattacharya