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7161052 Process for the valorization of a charge of hydrocarbons and for reducing the vapor pressure of said charge  
A process is described for the valorization of a charge of hydrocarbons and for reducing the vapour pressure of said charge, comprising three steps: a step a) consisting of separating said charge...
7151199 Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts  
Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the...
6924407 Pressure-tuned solid catalyzed heterogeneous chemical reactions  
Improved methods for conducting solid acid-catalyzed, near- or supercritical heterogeneous chemical reactions (e.g., alkylation reactions) are provided which give enhanced product yields and permit...
6858769 Lithium aluminate layered catalyst and a selective oxidation process using the catalyst  
A catalyst for the selective oxidation of hydrogen has been developed. It comprises an inert core such as cordierite and an outer layer comprising a lithium aluminate support. The support has...
6855856 Process for the alkylation of hydrocarbons  
The invention pertains to a process for the alkylation of hydrocarbons wherein a hydrocarbon feedstock and an olefin are contacted with a catalyst at alkylation process conditions. The catalyst...
6844479 Alkylation process  
A process for the alkylation of paraffins with olefins includes contacting the paraffin with the olefin under alkylation conditions with a zeolite having an AAI number of at least about 1.0. In a...
6768035 Manufacture of high octane alkylate  
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...
6743962 Preparation of high octane alkylate from Fischer-Tropsch olefins  
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...
6679986 Catalytic support with an oxide base from a metal belonging to the SVI group of the periodic table, its preparation and its uses  
A catalytic support includes a substantial quantity of at least one SVI group Periodic Table metal oxide in which is incorporated silica. The mass ratio between the quantity of SVI group metal...
6602920 Method for converting natural gas to liquid hydrocarbons  
A process for converting natural gas to a liquid includes heating the gas to a selected range of temperature to convert a fraction of the gas stream to reactive hydrocarbons, primarily ethylene or...
6583330 Catalysts containing heteropolyanions usable in processes for conversion of paraffins  
New catalysts that contain heteropolyanions of the 12-tungstophosphoric acid or the 12-tungstomolybdic acid, and, for some of these, at least one metal of group VIII, and that are deposited on...
6429349 Co-alkylation for gasoline RVP reduction  
Methods and apparatus that are used in an alkylation reactor system for adding low purity isopentane to alkylation reactor feed to block formation of isopentane, resulting in high incremental...
6395945 Integrated hydroisomerization alkylation process  
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 processing...
6281405 Alkylation process using membrane for recovery of halides  
A process for recovering halides from hydrocarbon containing streams is disclosed using a sulfonated hexafluro bis-A-polysulfone membrane of polymers and copolymers having the polymer repeat unit...
6235959 Aliphatic hydrocarbon alkylation process  
The invention concerns a process for alkylating isoparaffins by olefins using a novel catalyst, the olefin preferably being a low reactivity olefin. The catalyst is a composition resulting from a...
6225517 Alkylation catalyst, method for preparing same, and use thereof in alkylation methods  
An alkylation catalyst including a least one porous refractory metal oxide with at least one halogen on the surface thereof. The catalyst contains 0.005-1 wt % of at least one metal from groups IA...
6203712 Process for separation by settling in a plurality of distinct zones  
A process for separating at least two liquid phases which are at least partially non miscible is characterized in that after reacting, a polyphase effluent is settled in at least two distinct...
6194625 Alkylation by controlling olefin ratios  
Disclosed are various embodiments for alkylating olefins and isoparaffins in the presence of an acid to reduce and/or control acid consumption or maximize and/or control the octane number of the...
6172274 Solid catalyst alkylation process using a wetting zone  
A solid catalyst alkylation process that wets catalyst particles with the alkylation substrate prior to introducing the catalyst particles to a liquid phase alkylation reactor is disclosed. A vapor...
6137021 Conversion of an HF alkylation unit  
A method of converting an HF alkylation process into a solid catalyst alkylation process is disclosed. In this method, an HF alkylation unit having an HF stripper downstream of the HF alkylation...
6106789 Alkylation reactor with internal acid cooling zones  
The invention provides an improved alkylation process and reactor apparatus. The invention utilizes a vessel containing a riser-reactor conduit, an acid settler and an acid cooler. Hydrocarbons are...
6103949 Alkaline phosphate-activated clay/zeolite catalysts  
Zeolite/clay/phosphate catalysts can be prepared by a process wherein a composition of zeolite-clay-phosphate is brought to a pH level of about 7.0 to about 14.0. The resulting slurry is then age...
6096939 Aliphatic alkylation utilizing a liquid catalyst  
The invention concerns the catalytic alkylation of at least one isoparaffin selected from the group formed by isobutane and isopentane in the presence of at least one olefin containing 3 to 6...
6018088 Superacid catalyzed formylation-rearrangement of saturated hydrocarbons  
A method is disclosed for producing branched aliphatic ketones in hydrocarbon mixtures from isoalkanes by a superacid catalyzed formylation-rearrangement reaction. The method can be used to...
5986158 Process for alkylating hydrocarbons  
The invention pertains to a process for alkylating hydrocarbons in which an alkylatable organic compound is reacted with an alkylation agent to form an alkylate in the presence of a catalyst...
5925801 Process for preparing high-octane gasoline components, and a catalyst  
A process for preparing high-octane gasoline components consists in that a feed stock, composed of isobutane and olefins, preferably butylenes, in a molar ratio between 1 and 40, is contacted at...
5907075 Solid acid supercritical alkylation reactions using carbon dioxide and/or other co-solvents  
Improved isoparaffin-olefin alkylation solid catalyst processes are provided which are characterized by low coke laydown and catalyst deactivation rates and production of valuable branched chain,...
5906957 Solid aliphatic alkylation catalyst  
The invention concerns a catalyst comprising a porous organic or inorganic support and at least one active phase comprising at least one acid selected from acids with formula R--SO3 H, where R is...
5877371 Heterogeneous Lewis acid-type catalysts  
A solid state insoluble salt catalyst system for the carbocationic polymerization of olefin monomer in the presence of a polar or non-polar reaction medium, which comprises (a) solid state catalyst...
5856611 Zirconium catalyzed transesterification process for preparing synthetic wax monomers  
A zirconium catalyzed transesterification process for preparing synthetic wax monomers is disclosed. The monomers are useful in a wide range of polymers.
5856606 Turbulent bed solid catalyst hydrocarbon alkylation process  
Paraffins or other hydrocarbons are alkylated in a process featuring a reaction zone containing a pool of liquid maintained at its boiling point and containing a suspended solid catalyst, which...
5849976 Moving bed solid catalyst hydrocarbon alkylation process  
Hydrocarbons are alkylated using slowly moving cylindrical beds of solid catalyst in a process featuring a cooling zone within the reaction zone and a moving bed catalyst regeneration zone. The...
5849978 Liquid catalyst for aliphatic alkylation  
The invention concerns the catalytic alkylation of at least one isoparaffin selected from the group formed by isobutane and isopentane in the presence of at least one olefin containing 3 to 6...
5811625 Method of indirect heat exchange for two phase flow distribution  
The use of flow restrictors at the inlet of reactor cooling tubes significantly improves heat transfer and process performance in an acid catalyzed alkylation reaction process. Improved...
5811627 Alkylation reactions  
Improved acid catalyzed alkylation reactions occur for the addition of a hydrocarbyl reactant to an alkene, by the optimized addition of an oxidizing agent, such as a peroxide, molecular oxygen,...
5804689 Process for recovering acetylene from hydrocarbons by thermal cracking  
For recovering acetylene from hydrocarbons, the hydrocarbons are thermally cracked in the presence of CO2 as a diluent gas. Suitable for thermal cracking for acetylene generation is a ratio, by...
5780688 Supported-catalyst and use of same  
The invention concerns a supported catalyst in the form of packing and constructed on an open-pore support material on whose external and internal surfaces a macro-porous ion exchange resin is...
5780703 Process for producing low aromatic diesel fuel with high cetane index  
A process for converting at least one olefin and at least one isoparaffin to a diesel fuel blending component comprising the steps of contacting the olefin and the isoparaffin with a catalyst...
5777189 Process for the alkylation of olefins  
Disclosed is a process for the alkylation of an olefin with an isoparaffin using sulphuric acid as a catalyst. In this process, a finely-dispersed emulsion of isoparaffin and sulphuric acid is...
5750818 Alkylation process  
A process for cooling unreacted hydrocarbon substrate that is recycled to an alkylation reactor and for minimizing the concentration of lower boiling hydrocarbons in such recycle.
5744667 Preparation of trimethyl pentanes by hydrogen transfer  
Gasoline range olefins such as trimethyl pentene are saturated to the corresponding paraffins such as trimethylpentane by hydrogen transfer from lower molecular weight paraffins using a catalyst...
5744682 Alkylation process using a catalyst with non-uniform metal dispersion  
A novel catalyst for alkylating an alkene with an alkane to give an alkylate product has been developed. The catalyst comprises a refractory inorganic oxide on which is dispersed a Group VIII...
5733439 Hydrocarbon conversion processes using substituted fluoride smectite clays  
Hydrocarbon conversion processes, e.g., alkylation, are disclosed and claimed which use as the catalyst novel fluoride containing substituted smectite clays. The clay has the formula Ax (My...
5731256 Alkylation catalyst for C4 -C5 isoparaffins using at least one C2 -C6 olefin  
The present invention concerns a catalyst comprising a porous organic or mineral support, preferably silica, and an acidic phase containing B(OSO2 CF3)3 and at least one acid selected from the...
5707923 Method of and apparatus for controlling an alkylation process  
Disclosed is a method of alkylating in which a hydrocarbon and acid emulsion is circulated in a reaction loop between a reactor and a cooler. A small sidestream of the reaction emulsion is...
5705729 Isoparaffin-olefin alkylation process  
An improved process for alkylation of isoparaffins with olefins to yield a product which includes a high proportion of highly branched alkylates for blending into gasolines is disclosed. The...
5675052 Hydrocarbon alkylation process  
A hydrocarbon stream is cracked to produce a hot gaseous stream which is compressed and cooled to condense almost all of the hydrocarbons contained in the stream. A noncondensed stream remaining...
5672795 Balanced alkylation feed from etherification and isomerization  
An etherification process combines an alkylation zone with a skeletal olefin isomerization zone in an arrangement that rejects isoalkanes and normal alkanes with only minor loss of valuable olefin...
5663474 Alkylation process using hydrogen fluoride-containing alkylation catalysts  
This invention relates to catalysts for alkylation reactions and their preparation. More particularly, the invention relates to an alkylation process using a hydrogen fluoride-containing alkylation...
5639930 Process of producing alkylates  
Method of producing alkylates in which an isoparaffin, olefin, a diffusing agent and a solid, acid catalyst are combined to form a three phase reaction mixture; a hydrocarbon phase containing...
Matches 51 - 100 out of 156 < 1 2 3 4 >