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JPH07103382B2 |
A ethene-rich feedstock is oligomerised over a shape selective zeolitic catalyst. After cooling the effluent is separated in a light gas stream, which is recycled and a liquid intermediate stream, which is sent to a second oligomerizatio...
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JPH07103381B2 |
Process for the preparation of liquid hydrocarbons (e.g. middle distillates) by contacting an olefinic hydrocarbons-containing feed (e.g. ethene and/or propene) at elevated temperature and pressure with a catalyst comprising at least one...
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JPH07284607A |
PURPOSE: To provide a method for separating hydrocarbon bases from mixtures of hydrocarbons and oxygenated hydrocarbons. CONSTITUTION: A method of reactive separation of mixtures containing hydrocarbons and oxygenated hydrocarbons compri...
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JPH07267883A |
PURPOSE: To efficiently obtain a high-viscosity olefin oligomer useful as a gear oil, a grease, etc., in high yield by copolymerizing a specific olefin with an unsaturated hydrocarbon in the presence of a Friedel-Crafts catalyst. CONSTIT...
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JPH07247226A |
PURPOSE: To provide a method, for producing α-olefin by oligomerization of ethylene, capable of suppressing production of a polymer and capable of selectively and efficiently providing a 4-14C α-olefin in an oligomer. CONSTITUTION: Eth...
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JPH0786198B2 |
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JPH0764759B2 |
An oligomerization or cooligomerization process comprising passing ethylene or a mixture of ethylene and propylene in contact with a catalyst, in the liquid phase, said catalyst comprising the reaction product of (i) a transition metal c...
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JPH0759301B2 |
PURPOSE: To prepare a solid crystalline phosphoric acid catalyst useful for hydrocarbon inversion by crystallizing silicon phosphate and silicon pyrophosphate together with siliceous raw materials under a specific steam level and tempera...
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JPH07157444A |
PURPOSE: To provide a method for producing a 4-10C linear α-olefin in high activity and in high selectivity by oligomerizing ethylene. CONSTITUTION: Ethylene is oligomerized in the presence of a catalyst system of the formula ((ml) is 0...
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JPH0756031B2 |
1. Process for stabilizing the activity of crystalline silica polymorph of the silicalite type used as hydrocarbons conversion catalyst, characterized in that it consists of : a) halogenating said silicalite by contacting it with a gaseo...
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JPH0756032B2 |
1. Process for stabilizing the activity of crystalline silica polymorph of the TEA-silicate type used as hydrocarbons conversion catalyst, characterized in that it consists of : a) halogenating said TEA-silicate by contacting it with a g...
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JPH0756030B2 |
1. Catalytic treatment process of hydrocarbon feedstocks which consists in converting said hydrocarbon feedstocks under pressure with a catalyst selected from either silicates or TEA-silicate which have previously been stabilized, said p...
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JPH07149676A |
PURPOSE: To obtain a process for producing an α-olefin oligomer such as 1- hexene in high yield and selectivity on an industrial scale at a low cost while preventing the deposition of by-product polymer especially in auxiliary apparatus...
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JPH07504901A |
Processes for converting a wide variety of aromatic hydrocarbons, such as polyalkylaromatics, into commercially useful para-substituted aromatics such as para-xylene are disclosed. The aromatic hydrocarbon feed stream is first partially ...
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JPH07504611A |
Processes for converting a wide variety of aromatic hydrocarbons, such as polyalkylaromatics, into commercially useful para-substituted aromatics such as para-xylene are disclosed. The aromatic hydrocarbon feed stream is first partially ...
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JPH07504443A |
A discrete catalyst and processes for the isomerization of alkanes and alkenes and the alkylation of isoalkanes with alkenes under homogeneous fluid conditions. The catalyst is formed by contacting, under fluid conditions, a homogeneous ...
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JPH0742301B2 |
A finely divided aluminoxane comprising an aluminoxane represented by formula [1] or [11] wherein R denotes a hydrocarbon group having 1 to 10 carbon atoms and m denotes an integer of 2 to 50, an average particle size being 5 to 200 mu m...
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JPH0739581B2 |
Olefins in a gasoline boiling range feed stream also containing highly unsaturated hydrocarbons are selectively isomerized by a two step process involving treating the feed stream to reduce the content of highly unsaturated hydrocarbons ...
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JPH07503227A |
A method for synthesizing molecular sieves is disclosed. The method comprises preparing an aqueous mixture comprising: a) a source zeolite, wherein said source zeolite contains sodalite substructures and has a tetrahedra atom density of ...
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JPH07502928A |
This invention is a process for the regeneration of solid acidic hydrocarbon conversion catalysts, but particularly certain transition aluminas and zeolites promoted with Lewis acids (preferably BF3) which have been used in the alkylatio...
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JPH07502733A |
An olefins process is described which combines cracking of a hydrocarbon feedstock with the coupling of methane using an oxygen-affording gas such that the heat evolved in the exothermic methane coupling reaction is effectively transferr...
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JPH0721149B2 |
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JPH0762356A |
PURPOSE: To produce economically a liquid hydrocarbon by converting methane at a high carbon availability. CONSTITUTION: The production process comprises the steps of reforming methane and carbon dioxide to form a synthesis gas (in a rea...
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JPH07501310A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH07501088A |
The 350 DEG -650 DEG F. (177 DEG -343 DEG C.) portion of the product from the oligomerization of light olefin with surface deactivated shape selective medium pore zeolite catalyst particles comprises olefinic hydrocarbons having unique a...
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JPH0692587B2 |
In a process for converting lower olefinic feed to heavier hydrocarbons by contacting the feed with a shape selective medium pore acidic zeolite catalyst at elevated temperature and pressure the catalyst surface is rendered relatively in...
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JPH0689344B2 |
A continuous process for upgrading lower olefin feedstock to higher hydrocarbons. Olefinic feedstock is combined with a diluent stream comprising C5 <+> olefins, and then contacted with a shape selective medium pore acid zeolite catalyst...
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JPH0678528B2 |
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JPH0678548B2 |
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JPH06279019A |
PURPOSE: To obtain a crystalline aluminosilicate useful for the conversion of an org. matrix and as a molecular sieve by hydrothermally crystallizing a gel contg. sources of tetravalent silicon, a zeolite Y in the form of spheres and an ...
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JPH0672227B2 |
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JPH06508106A |
This invention is a process for converting lower alkanes into their corresponding esters and optionally into various intermediates (such as alcohols) and other liquid hydrocarbons. The alkanes are oxidatively converted to oxy-esters at h...
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JPH0669968B2 |
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JPH0662452B2 |
Nickel, aluminum and chlorine derivatives which remain dissolved in olefin oligomers, after oligomerization in the presence of a nickel, aluminum, and chlorine-containing catalysts, are removed by successive treatments with: (a) anhydrou...
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JPH0662959B2 |
The economics and thermal efficiency of an olefin-to-gasoline-conversion process utilizing catalyst beds is improved by separating the effluent product from the beds into a gas in a liquid phase, cooling the gas phase to form additional ...
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JPH0662291B2 |
A crystalline zeolite SSZ-26 is prepared using a hexamethyl [4.3.3.0] propellane-8,11-diammonium cation as a template. Also disclosed is a process for converting hydrocarbons with crystalline zeolite SSZ-26.
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JPH06506482A |
An olefins process is described which combines cracking of a hydrocarbon feedstock with the coupling of methane using an oxygen-affording gas such that the heat evolved in the exothermic methane coupling reaction is effectively transferr...
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JPH0647672B2 |
Liquid hydrocarbon is prepared with high efficiency from hydrocarbon gas containing C2-C5 paraffinic hydrocarbons and/ or C2-C5 olefinic hydrocarbons by bringing the gas into contact with a metallo-silicate catalyst having the following ...
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JPH06172759A |
PURPOSE: To obtain a producing method of a lubricating oil having at least 120 viscosity index and at least -45°C pour point. CONSTITUTION: This lubricating oil is produced by oligomerizing a mixture of 5-20C 1-olefins comprising at lea...
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JPH0645789B2 |
C2-C4 paraffins are converted into aromatic gasoline over a catalyst composition comprising gallium supported on a carrier and a crystalline metal silicate with a special crystal structure, which composition has been subjected once or se...
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JPH0645788B2 |
C2-C4 paraffins are converted into aromatic gasoline over a crystalline galliumsilicate with a specific crystal structure having a SiO2/Ga2O3 molar ratio between 25 and 250, which silicate has been subjected once or several times to a tw...
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JPH0639392B2 |
In a process for converting an olefinic feedstock such as olefinic liquid product of Fischer-Tropsch synthesis, into distillate hydrocarbons over an acid zeolite oligomerization catalyst oligomerization is carried out in the presence of ...
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JPH0639393B2 |
In producing lubricants by oligomerizing alpha -olefins with the aid of the catalyst of a BF3 cocatalyst complex, e.g. a BF3, alcohol or carboxylic acid complex, the used catalyst complex is recovered by distillation, and reused as catal...
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JPH0635396B2 |
In the conversion of light olefins into heavier hydrocarbons, gasoline-range hydrocarbons are recycled as a sorbent liquid and unreacted C2+ components are selectively absorbed from reactor effluent vapor and returned for further contact...
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JPH0635397B2 |
The present invention relates to a process for the preparation of an aromatic hydrocarbon mixture, wherein one or more mono-olefins with two to four carbon atoms per molecule or aliphatic hydrocarbon mixtures, at least 20 wt.% of which c...
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JPH0631325B2 |
A process for converting a gaseous feed material including an olefinic mixture comprising primarily ethylene and propylene to higher molecular weight hydrocarbons such as gasoline range products including aromatics. The process comprises...
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JPH0613716B2 |
This invention relates to a process for producing aromatic hydrocarbon from a feedstock comprising C3/C4 hydrocarbons mixed with C2 hydrocarbons, especially ethane. The mixed feedstock is contacted at a temperature below 580°C with a ca...
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JPH068255B2 |
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JPH0587112B2 |
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JPH0582374B2 |
An improved method for converting methane to higher hydrocarbon products by contacting a gas comprising methane and an oxidative synthesizing agent at synthesizing conditions, the improvement which comprises contacting methane with an ox...
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