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JP2000212579A |
To obtain high quality and high calorie lamp oil where smoke point or the like is improved, easily obtainable from heavy fractions of petroleum by catalytically cracking raw oil to be catalytically cracked, by the fractional distillation...
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JP3056248B2 |
A process for the production of gaseous olefins which involves introducing a hydrocarbon feedstock stream into a high temperature thermal cracking zone to produce a high temperature cracked product stream, quenching the cracked product s...
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JP2000160170A |
To provide an improved method for desulfurizing a hydrocarbon stream in the presence of hydrogen.This method comprises the following stages, i.e., (a) dividing another stream from a hydrocarbon reformed with steam and thereby containing ...
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JP3035113B2 |
PURPOSE: To upgrade the quality of heavy oil fractions containing polynuclear aromatics by oxidizing carbonaceous raw materials in a multi-phase system including an aqueous phase under low severity conditions and further by applying deox...
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JP3012318B2 |
The present invention relates to a process for producing a C20+ lube oil from olefins or reducing the pour point of a lube oil comprising isomerizing the olefins over a catalyst comprising an intermediate pore size silicoaluminophosphate...
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JP3001963B2 |
High octane gasoline and high quality distillate are co-produced by a hydrocracking process in which a catalytic cracking light cycle oil is hydrocracked under conditions of low to moderate hydrogen pressure and severity to produce a hig...
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JP2000017276A |
To provide equipment for the desulfurization and reforming of a hydrocarbon feedstock capable of being rendered compacted and efficiently utilizing heat energy and a process therefor. Desired equipment is provided with a desulfurizing se...
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JP2000017275A |
To provide equipment for the desulfurization and reforming of a hydrocarbon feedstock capable of being rendered compacted and efficiently utilizing heat energy and a process therefor. Desired equipment is provided with a desulfurizing se...
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JPH11513710A |
There is provided a catalytic oligomerization process. The process involves the use of a catalyst comprising an acidic solid. The acidic solid may comprise a Group IVB metal oxide, such as zirconia, modified with an oxyanion of a Group V...
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JP2966985B2 |
A method of hydrotreatment of heavy hydrocarbon oil in the presence of catalysts comprises hydrodemetallizing and hydrocracking the heavy hydrocarbon oil successively and thereafter hydrodesulfurizing and hydrodenitrogenating the treated...
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JP2958707B2 |
A process is disclosed for improving the thermal stability of polyalpha-olefin lubricants by contacting the lubricant with an acidic catalyst for a time and at a temperature sufficient to achieve the skeletal isomerization of the molecul...
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JP2952789B2 |
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JP2945134B2 |
The thermal stability of synthetic lubricants composed of alpha-olefin oligomers is improved by reaction with an olefin such as decene or the lower molecular weight, non-lubricant range olefins produced in the course of the oligomerizati...
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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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JPH11189777A |
To convert the hydrocarbon feedstock to a little heavier product that can be used as a feedstock for catalytic cracking in a fluidized bed catalytic cracking unit comprising the conventional fluidized bed catalytic cracking unit and/or d...
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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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JP2911061B2 |
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JP2907547B2 |
A two-step process for the production of large quantities of heartcut distillate resin precursors from steamed cracked gas oil product which involves hydrogenation of the steam cracked gas oil followed by steam cracking of the hydrogenat...
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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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JPH11139998A |
To provide a method for producing a dialkylnaphthalene from a petroleum-based raw material existing in a large amount. This method for producing a dialkylnaphthalene comprises (1) a process for catalytically hydrogenating and dealkylatin...
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JPH11140461A |
To produce an olefin in a high purity and at a low cost from a decomposed gas under a mild condition by compressing, washing and performing a selective hydrogenation of a decomposed gas, then scrubbing and olefin stripping the gas, and t...
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JP2863326B2 |
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JPH11501697A |
A delayed coking process in which a flash zone gas oil stream from the bottom of the coker fractionator is upgraded by removing suspended solids and then hydroprocessing the stream to make it more attractive as a feed to a fluidized bed ...
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JP2845872B2 |
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JP2825570B2 |
A virgin heavy oil is hydrotreated, separated into a light fraction and a heavy fraction which are separately delay coked to obtain (a) a coke product of low sulfur content suitable for use as recarburizer coke or for use in the manufact...
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JPH10298115A |
To provide a method for producing ethylene in an environmentally benign way, capable of producing a product stream adaptable to use in a short time without involving any burning operation for crude stock gas in starting plant operation. ...
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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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JP2801725B2 |
A two stage catalytic cracking process wherein a heavy cycle gas oil fraction (HCGO) nominal boiling range 315 DEG C to 565 DEG C (600 DEG F to 1050 DEG F), API gravity of -10 DEG to +10 DEG and 65 to 95 vol% aromatics is recycled to ext...
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JP2788348B2 |
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JPH10505381A |
A process for catalytically desulfurizing cracked fractions in the gasoline boiling range to acceptable sulfur levels uses an initial hydrotreating step to desulfurize the feed with some reduction in octane number, after which the desulf...
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JPH10121059A |
To provide an integrated process to produce a larger amount of olefins in cracked products and to maximize the quality and octane value of distillate by integrating a hydrotreatment process into a catalytic cracking process. The product ...
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JPH10121058A |
To provide an integrated process to produce a larger amount of olefins in cracked products and to maximize the quality and octane value of distillate by integrating a hydrotreatment process into a catalytic cracking process. The product ...
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JP2724633B2 |
The present invention is directed to a process for treating hydrotreated naphtha which involves treating the naphtha over massive nickel catalyst followed by treating the naphtha over a metal oxide under conditions effective for removing...
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JPH10501843A |
The invention provides a two-step process for converting cyclopentadiene dimer to a high density fuel mixture comprising the steps of: (a) reacting said cyclopentadiene dimer in the presence of a solid catalyst comprising a porous crysta...
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JP2697749B2 |
A process is disclosed for producing feedstocks for manufacturing high quality lube base oil utilizing unconverted oil, which is produced from a fuels hydrocracker unit. The first step of the process is the distillation of an atmospheric...
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JPH09296184A |
To reduce the benzene content and upgrade a petroleum fraction without any sacrifice for octane number by bringing a normally liquid petroleum fraction into contact with a solid alkylating catalyst and reducing both the olefin content an...
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JP2678494B2 |
Process for the preparation of a lubricating base oil with a high viscosity index and a low pour point by catalytic dewaxing, which process comprises contacting under dewaxing conditions a feedstock containing at least part of the hydroc...
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JPH09241661A |
To obtain a lubricating oil having at least 120 viscosity index and ≤-45°C pour point by oligomerizing a mixed feedstock containing at least a heptene. This lubricating oil is obtained by oligomerizing an olefin feedstock comprising a...
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JPH09165583A |
To perform the subject cracking operation while suppressing the formation of coke without increasing the fuel consumption and shortening the life of tube by depositing tin and silicon on the surface of a cracking tube. A charged desulfur...
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JP2619706B2 |
Process for the preparation of a light hydrocarbon oil distillate by (1) hydrocracking a heavy vacuum distillate, (2) separating the product of (1) into distillates and a residue, (3) catalytic cracking the residue obtained in (2) and (4...
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JP2617214B2 |
PURPOSE:To obtain odorless isoparaffin solvents having low ultraviolet absorption and a light lubricating oil by subjecting a B-B fraction to oligomerization in the presence of a catalyst, primarily hydrogenating and desulfurizing a poly...
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JP2603022B2 |
A novel integrated olefin processing scheme is provided where olefins and paraffins are processed to produce high octane gasoline blending components. The integrated process involves the dehydrogenation of paraffin compounds to olefin co...
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JPH09503814A |
Low sulfur gasoline of relatively high octane number is produced from a cracked, sulfur-containing olefinic naphthas by hydrodesulfurization followed by treatment over an acidic catalyst comprising zeolite beta with a metal hydrogenation...
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JP2588772B2 |
Process for thermal cracking of residual hydrocarbon oils by 1) feeding the oil (1)(2) and a synthesis gas (14) to a thermal cracking zone (3), the gas having a temperature sufficiently high to maintain the temperature in the cracking zo...
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JPH08301806A |
To carry out the subject conversion by optimizing the relative selectivity of ethylene-propylene with an olefinic fraction derived from a steam cracking operation, etc., and further regulating the relative ratio of ethylene and propylene...
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JP2549428B2 |
The invention concerns a process in which monoolefins are used to alkylate isoparaffins in the presence of an HF catalyst. An olefinic feed (14) containing dienes is selectively hydrogenated in zone (2) to reduce its diene content, and u...
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JP2544922B2 |
1. A combined process for heavy naphtha hydroreforming and light naphtha hydroisomerization, wherein a first charge, consisting in major part of a heavy naphtha, is fed, through at least one heating zone, to at least two catalytic hydrof...
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JP2535178B2 |
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JP2520723B2 |
A process for producing methylnaphthalenes is disclosed, comprising subjecting a fraction containing at least 50% by volume of components within the boiling range of 195 DEG -215 DEG C., which is obtained by distilling a raffinate result...
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