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JP2005518929A |
The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene. The catalyst...
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JP3664502B2 |
PURPOSE: To efficiently and stably obtain the subject compound by catalytically converting a raw material containing a hydrocarbon in the presence of a specific zeolite catalyst. CONSTITUTION: A raw material containing one or more kinds ...
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JP2005518458A |
A substantially water-free hydrocarbon feed is charged to a reformer reactor operated under reforming conditions; thereafter, a chlorine-containing additive is introduced, without the simultaneous introduction of water, into the substant...
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JP2005516902A |
A process for producing low-concentration ethylene streams and low-concentration propylene streams used as feedstocks for producing olefin-based derivatives is provided. In particular, low-concentration ethylene streams are used as feeds...
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JP2005516086A |
A Fischer-Tropsch C3-C4 olefin stream is simultaneously dehydrated and isomerized to convert alcohols to olefins and 1-butenes to 2-butenes and thereby lower the oxygenate content. Another Fischer-Tropsch fraction is hydrotreated and hyd...
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JP2005516085A |
A Fischer-Tropsch C3-C4 olefin stream is treated to lower the oxygenate content to below 4000 ppm. Another Fischer-Tropsch fraction is hydrotreated and hydrocracked to provide an isobutane-containing stream. The treated C3-C4 olefin stre...
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JP2005515888A |
A noble metal nanometer-sized catalyst composition is described along with the method for preparation of the composition. The crystal face of the catalyst contains a preponderance of (111) type crystal phase exposure. The crystal phase e...
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JP3651951B2 |
PURPOSE: To provide a preparation process for a lubricating base oil having an extremely high viscosity index. CONSTITUTION: A process for the preparation of a lubricating base oil comprises subjecting a waxy raffinate to a pour point re...
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JP2005514190A |
Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous struct...
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JP3650119B2 |
This invention relates to use of MCM-49 in catalytic cracking. Large amounts of light olefins are produced.
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JP2005510345A |
A catalytic material includes a microporous zeolite supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite beta, zeolite Y or ZSM-5. The mesoporous inorganic oxide can be, e.g., silica or alumina, ...
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JP3639243B2 |
To provide a gasoline-producing device whose constitution is simplified to reduce an area for installing the device. A catalytic reforming device 28 having a reforming reactor 28a which conducts catalytic reforming of ground naphtha to g...
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JP2005508738A |
To pretreat combustion air by exposing it to non-thermal plasma at substantially atmospheric pressure, and an operation method thereof. The device includes an inner electrode (110), the inner electrode having a longitudinal channel forme...
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JP3623235B2 |
A process for treating a light cracked naphtha to be used as an etherification feed stock is disclosed in which mercaptans, H2S and diolefins are removed simultaneously in a distillation column reactor using a reduced nickel catalyst. Th...
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JP3621098B2 |
A method for reforming hydrocarbons comprising coating portions of a reactor system with a material more resistant to carburization, reacting the material with metal oxides existing in the portions of the reactor system prior to coating,...
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JP3617416B2 |
To accomplish effective conversion of aromatic hydrocarbons with suppressed consumption of hydrogen and minimized deterioration of the catalyst activity by decreasing the content of nonaromatic compounds in the feedstock of the aromatic ...
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JP3606577B2 |
A pretreatment process is disclosed for increasing conversion and reducing the fouling rate of reforming catalysts wherein the catalyst is pretreated at a temperature from 1025 DEG F to 1275 DEG F in a reducing atmosphere prior to contac...
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JP2004537404A |
One aspect of the present invention relates to a catalytic compound of anion-modified metal oxides doped with metal ions. Another aspect of the present invention relates to a method of isomerizing an alkane or alkyl moiety.
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JP3589669B2 |
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JP3585924B2 |
A benzene-rich gasoline stream is alkylated with higher olefins in contact with a fluid bed of shape selective zeolite catalyst to produce a gasoline product stream reduced in benzene content wherein the high octane value alkylaromatics ...
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JP2004531616A |
A substantially water-free hydrocarbon feed is charged to a multiple-reactor reformer system being operated under reforming conditions and comprising at least two reformer reactors serially connected in fluid-flow communication and each ...
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JP3573752B2 |
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 an intermediate pore size zeolite such ...
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JP2004269847A |
To provide a method for producing a high octane number gasoline by heightening the octane number of a ≥4C hydrocarbon mixture through isomerization.There is provided a process for selective isomerization of ≥4C paraffins using a cata...
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JP2004268018A |
To obtain a paraffin hydrocarbon fraction having a higher octane value.The catalyst uses a catalyst composition containing both of an ionic liquid catalyst and Bronsted acid, to improve the activity of the conversion reaction of straight...
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JP2004256918A |
To provide the use of coke formation preventive low-alloy steel in the manufacture of facilities and equipment for use in petroleum refining and petrochemistry and also to provide a new steel composition usable for the manufacture of the...
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JP3564172B2 |
A high temperature heat exchanger having an improved support apparatus for suspending a tube bundle (20). The improved support comprises a skirt (50) from which the tube sheet and the bundle are supported, and a lip (48) on an upper end ...
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JP2004526017A |
A process for preparing branched alkyl aromatic hydrocarbons, which process comprises contacting branched olefins with an aromatic hydrocarbon under alkylating conditions, which branched olefins have been obtained by a process which comp...
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JP3557297B2 |
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JP2004223505A |
To provide a dehydrogenation catalyst hardly coming off from a substrate and having high hydrogen generation efficiency, and its production method.The dehydrogenation catalyst 11 welded to the substrate 11c comprises an Ni porous body 11...
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JP3553258B2 |
PURPOSE: To obtain a hydrogenation method by which aromatic hydrocarbons contained in a hydrocarbon oil containing sulfur compounds, nitrogen compounds, etc., are converted into saturated hydrocarbons. CONSTITUTION: The hydrogenation met...
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JP3553935B2 |
The invention is directed a process for regenerating deactivated reforming catalysts comprising at least one Group VIII metal on zeolite L, preferably wherein the catalysts are extruded using a binder material such as alumina or silica. ...
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JP3553934B2 |
The present invention is a process for regenerating deactivated catalyst or redispersing catalytic metal in a fresh catalyst comprising at least one Group VIII catalytic metal, zeolite, an inert binder. The process comprises coke burn, h...
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JP3545652B2 |
To reduce the sulfur content of a liquid cracking product of catalytic cracking process, especially gasoline obtained by cracking. The sulfur content of a liquid cracking product of catalytic cracking process, especially gasoline subject...
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JP2004517711A |
Disclosed is a process for opening naphthenic rings of naphthenic ring-containing compounds, along with catalysts which can be used in that process. The naphthene ring opening catalyst is a catalyst which comprises at least one of a Grou...
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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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JP3521220B2 |
To provide a method for isomerizing a cycloalkane into an isomerized alkylcycloalkane by the catalytic reaction of the cycloalkane (or a hydrocarbon containing the cycloalkane) with hydrogen in the presence of a specific catalyst, and al...
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JP2004510016A |
While a substantially water-free hydrocarbon feed is being charged to a catalytic reformer reactor, an organic chloride is contacted with the reformer catalyst in an amount and for a time period that are effective to restore at least a p...
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JP3513777B2 |
PURPOSE: To provide a method for hydrogenation reforming useful in hydrocarbon conversion, which exerts a high catalytic activity, stability and reproducibility, wherein a specific addition metal is introduced into a (pref) reaction zone...
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JP3513778B2 |
PURPOSE: To maintain the quality of a modified product, to avoid the investment of a heat exchanger system and to efficiently treat a product resulting from catalytic reforming by treating the product resulting from the catalytic reformi...
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JP2004508161A |
Disclosed is a process for opening naphthenic rings of naphthenic ring-containing compounds, and catalysts which can be used in that process. The naphthene ring opening catalyst is a polymetallic catalyst comprising Group VIII metals. In...
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JP3499870B2 |
The present invention relates to new crystalline zeolite SSZ-35 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using conformationally constrained aza-polycyclic ring system templating ...
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JP2004504142A |
Disclosed is a process for opening naphthenic rings of naphthenic ring-containing compounds, along with catalysts which can be used in that process. The ring opening is accomplished using a ring opening catalyst system which combines an ...
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JP2004504477A |
Low sulfur gasoline of relatively high octane number is produced from a catalytically or thermally cracked, olefin-rich, sulfur-containing hydrocarbon stream by hydrodesulfurization followed by treatment over an acidic catalyst containin...
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JP2004025176A |
To provide a homogeneous catalytic bed and to transform a hydrocarbon to an aromatic compound using the bed.The catalyst comprises an amorphous matrix, a noble metal, an additive metal M, and halogen, CPt is local concentration of the no...
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JP2004500474A |
An integrated process for producing high value products, including for example distillate fuel, from syngas is disclosed. The integrated process of the present invention produces high value products from a Fischer Tropsch with minimal pr...
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JP3481634B2 |
A heat exchanger formed of two plates or stages with one being on top of the other and with a plurality of such heat exchangers stacked on each other. The first stage has an inlet opening, an inlet passage and passages opened to the end ...
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JP3481672B2 |
PURPOSE: To produce an oil containing alicyclic hydrocarbons and having lowered benzene concentration and adjusted octane value by isomerizing a benzene-containing hydrocarbon oil under hydrogen gas pressure in the presence of a catalyst...
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JP3472298B2 |
Relatively short chain alkyl aromatic compounds are prepared by alkylating or transalkylating an alkylatable aromatic compound with a relatively short chain alkylating or transalkylating agent under sufficient reaction conditions in the ...
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JP3472577B2 |
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JP3472184B2 |
To alkylate benzene to convert into other aromatic hydrocarbons in one step by bringing the benzene into contact with a lower paraffin in a specific weight ratio in the presence of a crystalline ZSM-5 type metallosilicate catalyst at a s...
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