Texaco Inc.

Max R Cesar

Chakka Sudhakar

Frank Dolfinger, Jr

Jeffrey G Weissman

Mahendra S Patel

Gerald G Sandford

Paul O Fritz

Benjamin J Kaufman

Thomas F DeRosa

Frank J DeBlase

Thomas E Hayden

James R Ketcham

Michael G Rawdon

Elaine C DeCanio

Yvonne Thiel

R Anthony Heinrich

Chakka Sudhaker

A fuel additive composition for improving the delivery of friction modifier to the lubricant oil of an internal combustion engine comprising (a) a friction modifying amount of a reaction product of at least one natural or synthetic oil and at least one alkanolamine; and, (b) at least one fuel detergent is provided. Also provided is a fuel composition containing the fuel additive composition and a method for operating an engine employing the fuel composition therefor.

Fuel additive composition for improving delivery of friction modifier

A naphtha or a middle distillate hydrocarbon is hydrodenitrogenized by hydrotreating in the presence of a catalyst containing a carbon support bearing (i) molybdenum or tungsten, (ii) a metal of non-noble Group VIII, and (iii) chromium.

Hydrodenitrogenation of hydrocarbons utilizing a carbon-supported

A naphtha or a middle distillate hydrocarbon is hydrodearomatized by hydrotreating in the presence of a catalyst containing a carbon support bearing (i) molybdenum or tungsten, (ii) a metal or non-noble Group VIII, and (iii) chromium.

Hydrodearomatization of Hydrocarbons

Hydrodearomatization catalyst composition

A naphtha or a middle distillate hydrocarbon is hydrodearomatized by hydrotreating in the presence of a catalyst containing boron, non-noble Group VIII metal, and Group VIB metal on a carbon support.

Hydrodearomatization of hydrocarbons

A process for simultaneous hydrodearomatization, hydrodesulfurization and hydrodenitrogenation of a charge hydrocarbon oil containing undesired aromatic components, sulfur and nitrogen compounds, which comprises: maintaining a bed of a sulfided metal catalyst comprising one or more metals of non-noble Group VIII, at least one metal selected from tungsten and molybdenum on a novel 'phosphorus treated carbon' support, the 'phosphorus treated carbon' support being comprised of phosphorus bound to the carbon surface predominantly as polyphosphate species characterized by peaks between -5 and -30 ppm in the solid-state magic angle spinning .sup.31 p nuclear magnetic resonance spectrum; passing a charge hydrocarbon feed in the presence of hydrogen into contact with said catalyst at hydrotreating conditions, thereby effecting hydrodearomatization, and simultaneously effecting hydrodesulfurization and hydrodenitrogenation.

Hydrodearomatization of hydrocarbon oils using novel 'phophorus treated

Naphtha is selectively hydrodesulfurized using selectively poisoned hydrotreating catalyst to remove sulfur while minimizing loss in octane level due to olefin saturation.

Selective hydrodesulfurization of naphtha using selectively poisoned

A process for treating a charge hydrocarbon oil containing undesired aromatic components, sulfur and nitrogen compounds, which comprises maintaining a bed of a sulfided catalyst comprising 0.1 to 15% by weight of nickel; and from 1 to 50% by weight of tungsten and 0.01 to 10% by weight of phosphorus, on an activated carbon support, and passing a charge hydrocarbon feed in the presence of hydrogen into contact with said catalyst at hydrotreating conditions, thereby effecting hydrodearomatization, hydrodesulfurization and hydrodenitrogenation of said charge hydrocarbon feed containing undesired aromatic components, sulfur and nitrogen, and forming a product stream of hydrocarbon containing a lesser quantity of undesired aromatic components, sulfur and nitrogen; and recovering said product stream of hydrocarbon containing a lesser quantity of undesired aromatic components, sulfur and nitrogen.

Process for hydrodearomatization of hydrocarbon oils using carbon

A process for simultaneous hydrodearomatization, hydrodesulfurization and hydrodenitrogenation of a charge hydrocarbon oil containing undesired aromatic components, sulfur and nitrogen compounds, which comprises:

Hydrodearomatization of hydrocarbon oils using novel 'phosphorus treated

A method of enhancing the activity of a regenerated catalyst for the hydroprocessing of hydrocarbons comprising:

Method of enhancing the activity of regenerated catalysts

A process of preparing a catalyst for removal of sulfur and nitrogen in hydro-processing of hydrocarbon streams. The catalyst composition is formed by depositing molybdenum or tungsten. A second metal is deposited on the support layer in a non-aqueous fashion. The second metal being vandium, niobium or tantalum in organic solvent soluble metal alkoxide form. A third metal of nickel or cobalt is deposited and calcined on the support layer.

Process for preparing a catalyst for removal of hydroprocessing

A catalyt composition for removal of sulfur and nitrogen in the hydroprocessing refinery of hydrocarbon streams. The composition comprises supported molybdenum or tungsten and containing cobalt or nickel. In addition, the presence of a third metal selected from the group consisting of titaniun, zirconium, and hafnium, deposited in a non-aqueous fashion, is provided.

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Newburgh, NY, United States of America

Max R Cesar