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7538063 Bismuth- and phosphorus-containing reforming catalysts, method of making and naphtha reforming process  
Bismuth- and phosphorus-containing naphtha reforming catalysts, methods of making such catalysts, and a naphtha reforming process using such catalysts.
7294253 Process for producing middle distillates  
This invention relates to process for producing middle distillates having good cold flow properties, such as the Cold Filter Plugging Point (CFPP) measured in accordance with the IP method 309, and...
7267758 Flexible method for producing oil bases and middle distillates with hydroisomerization-conversion followed by catalytic dewaxing  
For producing very high quality base stock and for simultaneously producing high quality middle distillates, successive hydroisomerisation and catalytic dewaxmg steps are employed wherein the...
7261805 Process for catalytic dewaxing and catalytic cracking of hydrocarbon streams  
A process for upgrading a hydrocarbon feedstock containing waxy components and having an end boiling point exceeding 650° F., which includes contacting the feedstock at superatmospheric hydrogen...
7220505 Autothermal reformer-reforming exchanger arrangement for hydrogen production  
Low-energy, low-capital hydrogen production is disclosed. A reforming exchanger 14 is placed in parallel with an autothermal reformer (ATR) 10 to which are supplied a preheated...
6979396 Combination reforming and isomerization process  
A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a...
6974535 Hydroconversion process for making lubricating oil basestockes  
A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two...
6890423 Distillate fuel blends from Fischer Tropsch products with improved seal swell properties  
The invention provides distillate fuel blend components with improved seal swell and lubricity properties obtained from Fischer Tropsch products. The blends contain a highly paraffinic distillate...
6875338 Process for endothermic conversion of hydrocarbons, its uses, and a unit for carrying out the process  
The invention concerns a process for converting hydrocarbons using at least one globally endothermic chemical reaction, in which a hydrocarbon feed successively traverses at least two reaction...
6602405 Sulfur removal process  
A product of reduced sulfur content is produced from an olefin-containing hydrocarbon feedstock which includes sulfur-containing impurities. The feedstock is contacted with an olefin-modification...
6602402 Flexible process for producing base stock and distillates by conversion-hydroisomerisation using a catalyst with low dispersion followed by catalytic dewaxing  
An improved process for producing very high quality base stock and for simultaneous production of high quality middle distallates, comprising successive hydroisomerisation and catalystic dewaxing...
6475374 Production of lubricating oils by a combination catalyst system  
A process for preparing a lubricating oil basestock having good low temperature properties. The process includes a first amorphous isomerization catalyst having a pore volume less than 0.99 ml/gm...
6436278 Process for producing gasoline with an improved octane number  
The invention concerns a process for producing gasoline with an improved octane number, optionally accompanied by oil and/or middle distillate production, by conversion-hydroisomerization of the...
6338791 High octane number gasolines and their production using a process associating hydro-isomerization and separation  
The invention provides a high octane number gasoline pool comprises at least 2% of di-branched paraffins containing 7 carbon atoms, and a process for producing this gasoline pool by...
6284128 Reforming with selective reformate olefin saturation  
A process combination is disclosed to selectively upgrade hydrocarbons in a manner to essentially eliminate olefins in product from the combination. Preferably the hydrocarbons comprise naphtha...
6153086 Combination cocurrent and countercurrent staged hydroprocessing with a vapor stage  
A hydroprocessing process includes a cocurrent flow liquid reaction stage, a countercurrent flow liquid reaction stage and a vapor reaction stage in which feed components are catalytically...
6149800 Process for increased olefin yields from heavy feedstocks  
A process for upgrading petroleum feedstocks boiling in the distillate plus range, which feedstocks, when cracked, result in unexpected high yields of olefins. The feedstock is hydroprocessed in at...
6124514 Process for generating pure benzene from reformed gasoline  
A process is disclosed for generating pure aromatic compounds from a reformed gasoline which contains aromatic compounds, olefins, diolefin, and triolefins, which comprises the steps of: (a)...
6083379 Process for desulfurizing and aromatizing hydrocarbons  
A process for desulfurizing and enhancing the octane of cracked gasoline by first aromatizing the cracked gasoline and, second, hydrodesulfurizing the resulting intermediate product stream.
5985131 Hydroprocessing in a countercurrent reaction vessel  
A process for upgrading a liquid petroleum or chemical stream wherein said stream flows countercurrent to the flow of a treat gas, such as a hydrogen-containing gas, in at least one reaction zone....
5888376 Conversion of fischer-tropsch light oil to jet fuel by countercurrent processing  
A process for converting a Fischer-Tropsch light oil stream to jet fuel by reacting said stream with a hydroisomerization catalyst in a reaction zone where the stream flows countercurrent to...
5865988 Hydrocarbon upgrading process  
Low sulfur gasoline is produced from an olefinic, cracked, sulfur-containing naphtha by treatment over an acidic catalyst, preferably an intermediate pore size zeolite such as ZSM-5 to crack low...
5865987 Benzene conversion in an improved gasoline upgrading process  
Low sulfur gasoline is produced from an olefinic, cracked, sulfur-containing naphtha by treatment over an acidic catalyst, preferably an intermediate pore size zeolite such as ZSM-5 to crack low...
5858209 Catalytic reforming process with increased aromatics yield  
A processing step is added to an existing catalytic reforming unit to increase the yield of aromatic product. The additional processing comprises separation of product from the reforming unit into...
5658453 Integrated aromatization/trace-olefin-reduction scheme  
A process combination is disclosed to selectively upgrade naphtha in a manner to obtain an aromatics-rich, low-olefin product from the combination. Preferably the naphtha is subjected to...
5611913 Dissolving salt for solid caustic with oil  
Acidic halides, especially chlorides, are removed from dry process vapor and liquid hydrocarbon streams by contact with solid caustic, such as a bed of NaOH. Salt deposits from form on the solid...
5512166 Process and apparatus for the continuous replacement of the catalyst in a moving-bed unit  
A process for the simultaneous replacement of a first catalyst by a second catalyst which first catalyst is circulating as a moving bed of solid particles in a hydrocarbon treating unit, which unit...
5489724 High pressure drop endothermic process  
Aliphatic feeds are converted to olefins and/or aromatics in a multi pressure reactor system. A high pressure first stage reactor generates much or all of the hydrogen needed to reduce catalyst...
5439583 Sulfur removal systems for protection of reforming crystals  
A process is disclosed for removing residual sulfur from a hydrotreated naphtha feedstock. The feedstock is contacted with molecular hydrogen under reforming conditions in the presence of a less...
5414172 Naphtha upgrading  
A process for upgrading low octane naphthas to produce gasoline products with low levels of benzene and aromatics while retaining a high pool octane uses a paraffinic naphtha reformer feed which is...
5406016 Transalkylation of benzene with heavy catalytic naphtha  
A process for simultaneously converting benzene to predominantly methylbenzenes and reducing the concentration of C 10 + alkyl aromatics in a naphtha boiling range refinery process stream...
5380425 Over alkylation and catalytic cracking for benzene conversion  
A process for producing a low benzene content gasoline is disclosed. Catalytic reforming produces a benzene rich reformate which is fractionated to yield a benzene rich C6 fraction which is then...
5370786 Method for operating a continuous conversion process employing solid catalyst particles  
A method of operating a continuous process employing solid catalyst particles by means of charging a feedstock to a reactor and contacting the feedstock with a dense-phase moving bed of catalyst...
5347061 Process for producing gasoline having lower benzene content and distillation end point  
A process is disclosed for upgrading reformate and/or light FCC gasoline by substantially reducing the amount of benzene in the gasoline product while simultaneously reducing the gasoline ASTM...
5294328 Production of reformulated gasoline  
A process combination is disclosed to reduce the aromatics content of a key component of gasoline blends. Paraffins contained in catalytic reformates are conserved and upgraded by separation and...
5292976 Process for the selective conversion of naphtha to aromatics and olefins  
A staged process has been discovered for the selective conversion of paraffins in naphtha to aromatics and conversion of naphthenes in naphtha to olefins. In a first stage, n-paraffins in naphtha...
5278344 Integrated catalytic reforming and hydrodealkylation process for maximum recovery of benzene  
The present invention is an integrated catalytic reforming/hydrodealkylation process that maximizes benzene recovery by incorporating refrigeration and pressure swing adsorption separation units....
5259946 Sulfur removal system for protection of reforming catalysts  
A process for removing residual sulfur from a hydrotreated naphtha feedstock is disclosed. The feedstock is contacted with molecular hydrogen under reforming conditions in the presence of a less...
5210348 Process to remove benzene from refinery streams  
A substantially benzene-free product suitable for gasoline blending is formed from a benzene-containing refinery stream. At least about 30% of the benzene initially present in the stream is...
5185486 Method of reducing the benzene content of gasolines  
The benzene content of hydrocarbon gasolines is accomplished by (a) fractionating at least one hydrocarbon gasoline into a light fraction A, with an increased benzene content, and a heavy fraction...
5143596 Process for upgrading a sulphur-containing feedstock  
Process for upgrading a sulphur-containing feedstock consisting of a hydrocarbon mixture substantially boiling in the gasoline range which process consists of subjecting the feedstock to a...
4975179 Production of aromatics-rich gasoline with low benzene content  
A process is disclosed for the production of high octane gasoline rich in aromatics but containing a relatively low concentration of benzene. The process comprises the separation of C 6 fraction...
4950385 Reforming process for the catalytic conversion of petroleum fractions to a mixture of hydrocarbons rich in aromatics  
The process disclosed is for the improved reforming of petroleum fractions by catalytic conversion to a mixture of hydrocarbons rich in aromatics. In the process, naphtha fraction is contacted with...
4673488 Hydrocarbon-conversion process with fractionator overhead vapor recycle  
An improved method for processing the effluent of a hydrocarbon conversion zone. The invention is particularly useful in a catalytic reforming reaction, wherein practice of the invention results in...
4594144 Process for making high octane gasoline  
A process for converting the naphtha fractions distilled from crude oil into greater volumes than heretofore of a gasoline product having higher octane number and a distillate stream of improved...
4358364 Process for enhanced benzene-synthetic natural gas production from gas condensate  
An upgraded benzene-synthetic natural gas product is produced from hydrocarbon gas condensate feedstock by catalytically reforming a C 6 -300° F. B.P. fraction and hydrogasifying the remainder of...
4292167 Noble metal reforming of naphtha  
Conventional noble metal reforming to upgrade the octane number of petroleum naphtha is an endothermic reaction which is carried out in a series of reactors with intermediate furnace heating of the...
4206035 Process for producing high octane hydrocarbons  
A process is disclosed for producing high octane hydrocarbons from a feed comprising paraffins having 5 to 9 carbon atoms which involves contacting the feed with steam and hydrogen in the presence...
4199436 Process for steam-dealkylating alkylaromatic hydrocarbons  
Alkylaromatic hydrocarbons are steam-dealkylated in the presence of a catalyst comprising an alumina carrier and 0.1 to 2% b.w. of a group VIII noble metal, 0.05 to 2% of a group I B metal and...
4190519 Combination process for upgrading naphtha  
A straight-run naphtha is fractionated at about 66° C., which is just below the boiling point of methylcyclopentane. The 66° C.+ fraction is reformed, and at least a portion of the reformate...
Matches 1 - 50 out of 90 1 2 >