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JP2965373B2 |
The octane number of light reformate is improved by alkylating the aryl compounds contained therein with olefins contained in a waste gas stream from a fluid catalytic cracking unit by contacting the light reformate with the waste gas in...
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JPH11510731A |
Catalyst comprising from 0.1 to 15 % by weight of platinum and/or palladium and from 2 to 40 % by weight of at least one metal of the actinium series, said weight percentages indicating the amount of metal based on the total weight of ca...
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JPH11244703A |
To miniaturize the severity degree of combustion treatment to the utmost in the regeneration of a catalyst deactivated by the deposition of a carbonizing substance. In a method for reproducing a catalyst for reforming aromatic hydrocarbo...
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JP2946034B1 |
[wrap up] [Task] When a hydrocarbon raw material is catalytically cracked using a catalyst to produce lower olefins such as ethylene and propylene, the catalyst is stable to water vapor and carbon dioxide under reaction conditions, and a...
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JPH11236577A |
To provide an isonomerization process which can achieve a yield of more than 85 wt.% of a branched paraffin containing at least 5 carbon atoms from a raw material containing 5-8C n-normal paraffin. This is an isonomerization process of a...
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JP2935275B2 |
A process for producing light olefins, especially ethylene, propylene,isobutylene and isoamylene, together with high octane gasoline as by-product, comprises that petroleum hydrocarbons are contacted with phosphorus and rare earth contai...
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JP2932102B2 |
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JP2930686B2 |
Zeolite of the mazzite group, containing a nonexchangeable fraction of potassium cation. The crystallinity and the adsorption capacities of the protonated form of this zeolite are maintained after prolonged hydrothermal treatment. Th...
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JP2923685B2 |
Process for upgrading a sulphur-containing feedstock comprising a hydrocarbon mixture substantially boiling in the gasoline range which process comprises contacting the feedstock with a catalyst which comprises a crystalline (metallo)sil...
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JP2923690B2 |
Process for upgrading a sulphur-containing feedstock comprising a hydrocarbon mixture substantially boiling in the gasoline range which process comprises subjecting the feedstock to a reforming step and subsequently to a hydrotreating st...
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JP2920644B2 |
A catalyst based on an MFI of the gallosilicate type is described. The catalyst is characterised by the following composition, expressed by weight: a) 0.01 to 99.49% of a matrix, b) 0.51 to 99.99% of a zeolite of the following approx...
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JPH11507590A |
PCT No. PCT/FR96/00916 Sec. 371 Date Dec. 15, 1997 Sec. 102(e) Date Dec. 15, 1997 PCT Filed Jun. 14, 1996 PCT Pub. No. WO97/00304 PCT Pub. Date Jan. 3, 1997The present invention relates to a catalyst comprising : a matrix consisting of a...
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JPH11181448A |
To provide an isomerization process for a light hydrocarbon oil with simpler installation more economically than the conventional process. This isomerization process has two steps of a preliminary treatment and a continuous following iso...
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JPH11507684A |
PCT No. PCT/FR96/00917 Sec. 371 Date Dec. 15, 1997 Sec. 102(e) Date Dec. 15, 1997 PCT Filed Jun. 14, 1996 PCT Pub. No. WO97/00305 PCT Pub. Date Jan. 3, 1997Gasolines are reformed and parafin and naphthene hydrocarbons are converted to ar...
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JPH11507591A |
The invention relates to a catalyst comprising:a matrix consisting of 0 and 100% by weight of lambd transition alumina, the complement up to 100% by weight of the matrix being in gamma transition alumina, and relative to the total weight...
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JPH11507685A |
PCT No. PCT/FR96/00919 Sec. 371 Date Dec. 15, 1997 Sec. 102(e) Date Dec. 15, 1997 PCT Filed Jun. 14, 1996 PCT Pub. No. WO97/00306 PCT Pub. Date Jan. 3, 1997A process for converting hydrocarbons into aromatic compounds, which entails cont...
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JP2916782B2 |
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JPH11169729A |
To provide a method for producing a catalyst comprising a catalyst support and active components deposited on the support, especially an L type zeolite-based catalyst bearing platinum and treated with a halogen. At the time of producing ...
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JPH11172261A |
To increase the yield of BTX components by contacting a naphtha raw material with a catalyst containing a platinum metal in a continuous reforming zone to obtain a first effluent containing BTX aromatic hydrocarbons and an inactive catal...
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JP2907397B2 |
A process for alkylating an aliphatic hydrocarbon having isobutane with an alkenyl hydrocarbon with isobutylene in the presence of a liquid onium polyhydrogen fluoride complex as the reaction medium and catalyst at a temperature between ...
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JP2905942B2 |
Process for fractionating a gaseous mixture containing hydrogen, light aliphatic hydrocarbons and light aromatic hydrocarbons. After compression of the mixture (7) and separation of one or more light fractions (3 and 5), the gas (12)...
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JP2905947B2 |
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JP2906086B2 |
Disclosed is a process for converting olefinic hydrocarbons using spent FCC catalysts which comprises using spent FCC catalysts, optionally containing spent FCC additives, in the reactor/stripper part of the FCCU, instead of or in additi...
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JP2904521B2 |
There is provided a dental tool for use with a reciprocating drive means and a sleeve member operatively connected to the drive means for reciprocating motion and designed to retain a dental tool, the dental tool comprising a shank porti...
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JP2898307B2 |
Zeolite L containing caesium having enhanced catalytic properties is prepared by a process in which said zeolite L is crystallised from a synthesis mixture with a molar composition (expressed as oxides) of: and containing 0.5 to 20 ppm (...
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JPH11505764A |
A high temperature treatment process is disclosed for increasing conversion and reducing the fouling rate of reforming catalysts. The process comprises reducing the catalyst in a reducing gas atmosphere at a temperature below 1025 DEG F....
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JP2895732B2 |
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JPH11128744A |
To provide a hydrogenation processing bimodal catalyst having a high activity and other superior characteristics and a method for preparing the catalyst. This preparation method uses a porous carrier primarily consisting of γ-alumina an...
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JP2887794B2 |
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JP2875197B2 |
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JP2866195B2 |
A petroleum refinery process for the production of alkyl aromatic hydrocarbons from a C4- fuel gas containing light olefins including ethene and propene and catalytic reformate containing C6 to C8 aromatics. The C4- fuel gas is contacted...
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JPH1144376A |
To reliably prevent a temperature rise in a driving amplifier. In a hydraulic unit having an amplifier 4 in the middle of a hydraulic circuit to control so as to open/close a valve, an amplifier chamber 5 is arranged to form a closed spa...
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JP2852435B2 |
A catalyst of the aluminosilicate type and its use in aromatisation of a C2-C4 light gas cut in the presence or absence of olefins are described. The catalyst is characterised by the following composition, expressed by weight: a) 0.01 to...
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JP2846109B2 |
Paraffinic naphtha is upgraded to high octane fuel by contacting a fresh virgin naphtha feedstock with a cracking catalyst comprising a zeolite of 1-12 constraint index under low pressure selective cracking conditions effective to produc...
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JP2843796B2 |
To maintain the dispersion state of a metal oxide even after a heating process by heating a catalyst while being contacted with a substrate and restricting a heat charging velocity to the catalyst when the wet catalyst containing the met...
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JP2840771B2 |
The invention relates to a means for heating the charge of a catalytic reforming unit operating under low pressure. The invention more particularly relates to an apparatus having in combination a first heat exchanger (6), in which the ga...
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JPH10324878A |
To selectively remove arom. hydrocarbons from a hydrocarbon mixture by bringing it into contact with an alkylation catalyst comprising a fluorinated alkylsulfonic acid movably adsorbed by silica in the presence of an olefinic alkylating ...
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JPH10316974A |
To inhibit the formation of coke in a catalytic reforming apparatus. In a process for catalytically reforming a hydrocarbon, the formation of coke due to the catalytic action of a metal, esp. iron, in a catalytic reforming apparatus can ...
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JPH10316975A |
To inhibit the formation of coke in a catalytic reforming apparatus. In a process for catalytically reforming a hydrocarbon in the presence of a catalyst in a catalytic reforming apparatus, the formation of coke occurring on the wall of ...
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JP2818459B2 |
A fluidized bed catalytic process for conversion of propene-rich light olefinic gas feedstock comprising at least 2 mol % ethene and having a C3:C2 molar ratio of at least about 2:1 to produce hydrocarbons rich in C4+ aliphatics and arom...
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JPH10286472A |
To regenerate a catalyst for the production or reforming of aromatic hydrocarbons by introducing a chlorinating agent and a gas containing oxygen and water with a specified molar ratio of H2O/HCl, and carrying out an oxychlorination proc...
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JPH10510568A |
Process for isomerisation of a hydrocarbonaceous feedstock substantially boiling in the gasoline range which feedstock comprises linear paraffins having at least five carbon atoms wherein the feedstock is contacted in the presence of hyd...
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JPH10273304A |
To provide a heat exchange type reformer for producing a synthesis gas rich in hydrogen such as a methanol synthesis gas or an ammonia synthesis gas by utilizing self generating heat. This heat exchange type reformer has a heat-exchangin...
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JPH10273303A |
To facilitate the attachment and detachment of an upper tube plate structure by placing the edge of the upper tube plate attached to a reaction tube on a metallic supporting part for the tube plate installed in the inner periphery of a c...
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JPH10510001A |
An integrated process for increasing C6 to C8 aromatics content in reformate prepared from C9+ aromatics-containing feed comprises: 1) pretreating a raw naphtha feedstream containing C9+ aromatics and sulfur by contacting with a) a hydro...
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JPH10510000A |
An integrated process for providing a gasoline boiling range reformate-containing product produced from naphtha comprises: (1) pretreating a raw naphtha feedstream containing benzene by contacting with a hydrodesulfurization catalyst the...
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JP2788348B2 |
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JPH10216521A |
To produce a catalyst which carries out a reforming reaction of a hydrocarbon with steam for a long duration, accompanied with little carbon precipitation by using a heat-resistant oxide containing alumina and zirconia as a support and d...
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JP2784944B2 |
The aromatic hydrocarbons rich in benzene, toluene and xylene are prepared from the hydrocarbon having from 6 to 12 carbon atoms by contact the hydrocarbon with a catalyst prepared by depositing at least one metal belonging to group VIII...
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JP2787222B2 |
A process for reforming a hydrocarbon fraction substantially free of dimethylbutanes. The hydrocarbon is separated into a fraction comprising the C5- hydrocarbons and the dimethylbutanes, a light fraction excluding dimethyl butanes, and ...
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