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JP3538887B2 |
PURPOSE: To provide a catalyst having both activities to carry out hydrogenation-desulfurization and denitrification for a hydrocarbon oil by adding a prescribed amount of hydrogenating active metal and phosphorus and furthermore a polya...
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JP3537897B2 |
PURPOSE: To provide a producing method of a catalyst capable of being impregnated with nickel and tungsten simultaneously in one step to reduce a production cost and capable of increasing a carrying amount of nickel and tungsten to obtai...
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JP2004515635A |
This invention relates to a two stage hydroprocessing process with stripping zones between the hydroprocessing zones and following the last hydroprocessing zone. The stripping occurs at high pressure and temperature with no disengagement...
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JP3530539B2 |
PURPOSE: To provide the synthesis of zeolite of MTT type which does not use a nitrogen-containing organic compound. CONSTITUTION: This is a method for synthesizing the zeolite of MTT type in the absence of any nitrogenous organic agent f...
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JP3522824B2 |
PURPOSE: To obtain an high active catalyst free from corrosion and easy in the separation from a reactant by using an acid salt of heteropoly acid and VIII group metal as essential components in a solid acid catalyst for converting paraf...
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JP2004512422A |
A method of minimizing the formation of polymers and other heavy molecular weight products upon heating of a hydrocarbon stream in a hydroconversion process is described. Specifically, sufficient hydrogen-containing gas is added to the h...
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JP3512317B2 |
To prepare a catalyst for hydrogenation treatment of hydrocarbon oils having high hydrogenation activity to aromatic compounds, a high sulfur- resisting property, and high desulfurization performance, and to produce a light-oil-blend bas...
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JP3512326B2 |
To provide a process for converting LCO or a mixture thereof with other oil to a fuel oil suitable for diesel engine and the like by lowering sulfur compounds and aromatic compounds in these oil. (1) In the first step, the stock oil is s...
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JP3473812B2 |
To provide a method for hydrogenating a hydrocarbon oil by switching the hydrocarbon oil into the other hydrocarbon oil among several kinds of hydrocarbon oils, enabling to hydrogenate the switched hydrocarbon oil under the optimal treat...
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JP2003327971A |
To provide a method for hydrocracking a petroleum-based heavy oil, comprising hydrocracking the petroleum-based heavy oil containing a heavy metal, such as a vacuum-distillation residue oil, by which a light oil can profitably be produce...
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JP3464047B2 |
PURPOSE: To provide a hydrogenation process stably operable for a long period of time and a hydrogenation process for preparing a high-quality desulfurized heavy residue (product oil) suitable as the starting material for fluidized catal...
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JP3463089B2 |
To obtain a hydrogenating catalyst having high hydrogenating function for an aromatic or heterocyclic ring, resistance against a sulfur compd. and a nitrogen compd. and long life by supporting palladium and platinum on an ultra-stabilize...
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JP3439790B2 |
PURPOSE: To obtain hydrogen-treated products reduced in the contents of undesired components by bringing hydrocarbon feed materials containing undesired components such as high boiling point components, sulfur, metals, asphaltenes, into ...
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JP3431216B2 |
PURPOSE: To provide a lightweight catalyst supporting structure through which a fluid is uniformly introduced and capable of being easily fabricated. CONSTITUTION: The catalyst supporting structure 10 is used to support a catalyst bed to...
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JP2003521576A |
In this invention, a hydrogen recycle stream from a hydrotreater is heated before returning to the hydrotreater using the energy from a first shift reaction, thereby eliminating the need for a fired heater to heat the hydrogen recycle st...
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JP3412764B2 |
The invention relates to an improved method of presulfurizing a sulfidable metal oxide(s)-containing catalyst which minimizes sulfur stripping upon start-up of a reactor and improves catalyst activity. The method consists of contacting a...
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JP3391522B2 |
PURPOSE: To provide a method to appropriately produce a hydrogenation catalyst showing high activity in a hydrogenation treatment by using an implegnating solution for hydrogenation catalyst production. CONSTITUTION: This impregnating so...
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JP3391805B2 |
PURPOSE: To obtain a new zeolite NU-85 useful as a catalyst for hydrocarbon conversion reactions such as alkylation and isomerization by intergrowing parent zeolites EU-1 and NU-87. CONSTITUTION: The zeolite NU-85 has a compsn., in the m...
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JP3378944B2 |
Pretreatment of a refining or petrochemistry catalyst containing at least one metal in metallic form or in the form of a metal oxide deposited on a support. The catalyst is impregnated with a solution or suspension containing, on the...
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JP3366997B2 |
Process for antipollution treatment and recovery of the metals from a refining catalyst in the spent state, containing at least one contaminating metal chosen from the group consisting of vanadium, nickel and iron. The process of the inv...
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JP2002544367A |
Method for producing hydrogen and a hydroprocessed product from a hydrocarbonaceous feedstock by subjecting it to a catalytic hydrocracking treatment using hydrogen which has been at least partly produced from hydrocracked feedstock and ...
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JP3360176B2 |
There is provided a crystalline oxide material with a characteristic X-ray diffraction pattern comprising the above lines. This material may be a layered material, which is swollen or pillared. Upon calcination of the swollen material, t...
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JP2002542335A |
A reactor system and process for hydrotreating a heavy feedstock contaminated with metals sulfur and carbon residue using an upflow fixed bed reactor with at least two catalyst layers having different hydrogenation activity.
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JP3347754B2 |
A catalyst composition having superior hydrotreating activity which catalyst is comprised of salts and/or complexes of Group VIII metals with Group VI metal heteropolyacids on an inorganic oxide support material, wherein the concentratio...
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JP3342504B2 |
A method for preparing an improved, metal-loaded crystalline aluminosilicate comprising bringing a metal-loaded crystalline aluminosilicate into contact with a solution of an alkali metal salt or an alkaline earth metal salt, the metal-l...
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JP2002322484A |
To provide a method for efficiently removing sulfur and nitrogen in a hydrocarbon stream.This hydrogenating method comprises supplying the sulfur- and hydrocarbon-containing hydrocarbon stream to a multi-stage hydrogenation reactor incor...
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JP3339588B2 |
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JP2002302680A |
To provide a refining method for a heavy oil which refines a low-cost heavy oil and is simple, reliable, and economically excellent.The raw material oil for this method is a heavy oil with a hydrogen content of 12 wt.% or lower. After th...
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JP2002534582A |
During the hydrotreating process, hydrogen sulfide and short chain hydrocarbons such as methane, ethane, propane, butane and pentane are formed. The separation of gas from hydrotreated liquid hydrocarbons is achieved using a stripper and...
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JP2002534569A |
Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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JP2002534563A |
The invention is a process to recover a high pressure hydrogen-rich gas stream from a purge gas stream taken from a hydrotreater. This purge gas stream is admixed with synthesis gas that was the original source of the hydrogen to form a ...
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JP2002534580A |
Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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JP2002534264A |
Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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JP2002534585A |
Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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JP2002532246A |
A distributor assembly for a multi-bed, downflow catalytic reactor is disclosed. The distributor assembly is configured for disposal and fixable attachment between the inner surfaces of the walls of a multi-bed downflow cylindrical react...
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JP3326198B2 |
A catalyst composition for converting hydrocarbons in a hydrotreatment process (hydrodesulphurisation and/or hydrodenitrogenation) and simultaneously cracking them, containing an alumina-silica-alumina carrier built up from alumina and s...
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JP3304425B2 |
PURPOSE: To obtain a catalyst for effective hydrogenation degradation and desulfurization with a high degree of kerosene under a specified low pressure in spite of the presence of carbon dioxide by using an Ni ion exchanged body of Y typ...
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JP3302150B2 |
PURPOSE: To provide a catalyst having the same specific surface area as its fine pore diameter and a large volume of the fine pores for hydrogenation treatment. CONSTITUTION: Based on a catalytic standard, 5-30wt.% (on terms of oxides) o...
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JP2002515822A |
An improved oxygen scavenging composition and packaging container formed therefrom is disclosed. The container is suitable for storage of oxygen sensitive materials and has as part of its exposed interior surface a composition composed o...
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JP3282885B2 |
PURPOSE: To provide a method for changing over raw materials which stabilizes a control action and reduce the waste of energy. CONSTITUTION: In a method for changing over one of two crude oil tanks 1A, 1B to the other, a pump 2D stopped ...
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JP2002513849A |
A three stage hydroprocessing process includes two liquid and one vapor reaction stages, both of which produce an effluent comprising liquid and vapor. Both vapor effluents comprise vaporized hydrocarbonaceous material. Fresh hydrogen is...
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JP2002097476A |
To provide a method for prolonging the operational time of a hydrogenation treatment reactor for treating a silicon-containing feed stock by improving the capacity of a hydrogenation treatment catalyst to tolerate silicon.This method com...
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JP3267695B2 |
PURPOSE: To obtain a best thermal integration, to link a hydrotreating step advantageously to decrease the application of expensive reactor equipment, and obtain a hydrocarbonaceous product of improved quality. CONSTITUTION: The method a...
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JP3262381B2 |
PURPOSE: To produce a hydrocarbon fuel with a high selectivity from a specified hydrocarbon feedstock by bringing the feedstock into contact with a specific catalyst in the presence of H2 at elevated temp. and pressure. CONSTITUTION: Thi...
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JP2002502909A |
A method and reactor for catalytic hydroprocessing liquid hydrocarbon feedstock at elevated temperatures and pressures for producing a liquid hydrocarbon product involves introducing the feedstock into a reactor having upper and lower re...
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JP3244694B2 |
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JP3244692B2 |
Disclosed is a method of preparing a catalyst for hydrogenation of a hydrocarbon oil, in which a hydroxycarboxylic acid is added to a catalyst carrying a metal of the Group VI of the Periodic Table and a metal of the Group VIII of the sa...
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JP3244695B2 |
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JP3244693B2 |
Disclosed is a method of preparing a catalyst for hydrogenation of a hydrocarbon oil, in which an aqueous solution containing a metal of the Group VI of the Periodic Table and a metal of the Group VIII of the same along with a hydroxycar...
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JP2001525858A |
(57) [Summary] In the present invention, a heavy hydrocarbon oil mainly containing a component having a boiling point exceeding 565 ° C (1,050 ° F) at normal pressure is catalytically hydrogenated to be less than about 565 ° C (1,050 ...
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