Matches 101 - 150 out of 158 < 1 2 3 4 >


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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...
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...
5583275 Alkylation of olefins utilizing mixtures of isoparaffins  
Disclosed is an alkylation process in which C3 to C5 olefins are reacted with an isoparaffin mixture of isobutane and isopentane in the presence of a catalyst. Varying the amount of isopentane...
5571762 Catalyst and process for the alkylation of aliphatic hydrocarbons with olefins  
A process for the alkylation of aliphatic hydrocarbons with olefins catalyzed by a silica-based material, characterised in that the surface Si--OH groups of said silica are esterified with a...
5536894 MCM-56 as sorbent and catalyst component  
This invention relates to use of synthetic layered material MCM-56 as a sorbent and as a catalyst component in catalytic conversion of organic compounds. Examples of sorbent use include rapid...
5534656 Organic compound conversion with MCM-58  
This invention relates to use of synthetic porous crystalline MCM-58 as a catalyst component in catalytic conversion of organic compounds.
5523503 Cocurrent simulated moving bed hydrocarbon alkylation process  
Hydrocarbons such as isobutane and benzenes are alkylated using a solid catalyst in a process which simulates the cocurrent movement of the catalyst bed versus the reactants. This has been found...
5516962 Catalyst and process for isoparaffin-olefin alkylation  
There are provided a catalyst, a method for making this catalyst, and a process for using this catalyst in the alkylation of an isoparaffin with an olefin to provide an alkylate. The catalyst may...
5498817 Isoparaffin/olefin alkylation over vacancy-containing titanometallate molecular sieves  
The invention provides a process for alkylating an olefin with an isoparaffin comprising contacting an olefin-containing feed in the presence of a thermally stable composition comprising a...
5498813 In situ formation of corrosion inhibitors  
Alkyl alcohols are added to the effluent from hydrocarbon reactions using phosphoric acid based catalysts to prevent corrosion in metallic pipes and vessels downstream of the reactor. The alcohol...
5481057 Alkylation with activated equilibrium FCC catalyst  
A process for catalytic cracking and C3/C4 olefin alkylation with phosphorus stabilized faujasite catalyst is disclosed. Catalytic cracking produces C3 and C4 olefins, which are alkylated using...
5461182 Hydrogen transfer and isoparaffin-olefin alkylation process  
The transfer of hydrogen from a paraffin to an olefin is provided. This reaction may be carried out in the presence of a catalyst, such as MCM-36. Especially when the paraffin reactant is an...
5409597 Hydrocarbon conversion process using a pillared clay containing fluorided pillars  
Hydrocarbon conversion processes are disclosed which are catalyzed by novel pillared clay compositions. The clay contains pillars which are at least partially fluorided. These pillars are metal...
5395981 Hydrocarbon conversion by catalytic distillation  
Ethers suitable for use as high octane oxygenate additives for motor fuels or other compounds such as alcohols or alkylates are produced in a catalytic distillation process wherein a C4 -plus...
5382744 Control of synthetic isopentane production during alkylation of amylenes  
A method of minimizing or controlling the production of synthetic isopentane during the catalyzed alkylation reaction of amylenes and isoparaffins by providing a concentration of isopentane in the...
H001407 Synthetic lubricant base stocks by co-reaction of vinylcyclohexene and long-chain olefins  
Synthetic lubricant base stocks having improved properties are disclosed. The base stocks may be obtained by a two-step process, comprising the steps of (1) co-reacting vinylcyclohexene and...
5345027 Alkylation process using co-current downflow reactor with a continuous hydrocarbon phase  
A continuous alkylation process for the production of high octane gasoline comprising contacting a mixture of an isoparaffin and an olefin with a catalyst complex comprising BF3:H3 PO4 in a...
5326922 Hydrogen transfer process  
The transfer of hydrogen from a paraffin to an olefin is carried out in the presence of, as catalyst, MCM-36. Especially when the paraffin reactant is an isoparaffin, the olefin produced from the...
5326923 Method for regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction  
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...
5321196 Process for alkylating an isoparaffin with a salt of a heteropoly-acid as a catalyst  
A process for alkylating an isoparaffin comprising reacting an isoparaffin with a monoolefin in the presence of a salt of a heteropoly-acid as a solid catalyst. The salt of the heteropoly-acid is...
5304522 Liquid acid regeneration method  
A process is disclosed for regenerating a spent liquid acid catalyst comprising the steps of: (a) providing a spent liquid acid catalyst comprising HF, sulfolane, and conjunct polymeric byproducts...
5292986 Isoparaffin-olefin alkylation catalyst composition and process  
A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a...
5284990 Method for converting a hydrogen fluoride alkylation unit to a sulfuric acid alkylation unit  
A method for converting HF alkylation unit to a sulfuric acid alkylation unit comprising the steps of retaining a reactor, an acid settler and a fractionation section from the HF alkylation unit...
5276242 Alkylation process  
In one embodiment of this invention, a process for alkylating C3 -C6 alkanes (paraffins) with C3 -C6 alkenes (monoolefins) employs a catalyst composition which has been prepared by heating a...
5258568 Single path alkylation method employing reduced acid inventory  
A single path process for alkylating a hydrocarbon feedstock containing an olefin and an isoparaffin is disclosed. The process includes dispersing an acid-based liquid alkylation catalyst into a...
5254790 Integrated process for producing motor fuels  
An integrated process for converting C4 /C5 hydrocarbons contained in a gasoline feedstock to more valuable motor fuel components includes various distillation steps, a hydroisomerization step, an...
5214017 Solid-acid alkylation catalyst compositions for alkylation processes  
New catalyst compositions comprise sulfated and calcined mixtures of (1) a support comprising an oxide or hydroxide of a Group IV-A element, (2) an oxide or hydroxide of a Group VI, VII or VIII...
5196626 Film type alkylation process  
The present invention includes an isoparaffin:olefin alkylation process and apparatus in which liquid acid inventory is reduced and temperature control is improved by reacting the...
5185487 Combination acid recontactor-storage vessel  
An improved method and apparatus for the safe handling of alkylation catalyst. The method and apparatus comprises a process vessel which serves a dual function of storing alkylation catalyst and...
5146036 Transfer of catalyst  
An improved system for performing an alkylation process and a method for handling liquid catalyst in an alkylation process. This improvement involves method and apparatus by which liquid...
5120895 Low acid inventory alkylation  
A process and apparatus are disclosed for acid continuous alkylation of a hydrocarbon-containing feedstream in which the inventory of acid is reduced. The apparatus used combines a reactor,...
5105040 Acid catalyzed oxidative reactions  
Compositions containing sulfuric acid and one or more of certain chalcogen-containing compounds in which the chalcogen compound/H2 SO4 molar ratio is below 2 contain the mono-adduct of sulfuric...
5026944 Synthesis of isobutene from methane and acetylene  
A process is described in which methane is reacted with acetylene in the presence of a solid acid catalyst containing fluoride to produce isobutene in high yields. The process may take place at...
5013537 Process for the synthesis of zeolites of the ferrisilicate type, products so obtained  
The invention relates to a novel process for the synthesis of zeolites of the ferrisilicate type called ferrizeosilites, to the products obtained by this process as well as their uses....
4962268 Alkylation catalyst isolation  
In an alkylation process wherein the amount of hydrogen fluoride (HF) acid catalyst required to maintain a desired HF acid/hydrocarbon ratio in a plurality of alkylation reactors is contained in...
4658073 Control system for multistage chemical upgrading  
A process control technique for upgrading C3 -C4 hydrocarbon feed containing olefins to produce heavier liquid hydrocarbons comprising converting a major portion of C3 -C4 olefins in an...
4634798 Synthesis process for producing alkylate hydrocarbons  
Alkylate is produced by catalytically converting oxygenate feedstock, such as methanol, to lower olefins comprising C2 -C4 olefins. Ethene is separated by interstage sorption of C3 + components...
4633028 Process for converting oxygenates to alkylated liquid hydrocarbons  
Alkylate is produced by catalytically converting oxygenate feedstock, such as methanol, to lower olefins comprising C2 -C4 olefins. Ethene is separated by interstage sorption of C3 + components...
4633027 Process for converting olefins to gasoline, distillate and alkylate liquid hydrocarbons  
A continuous process for upgrading C3 -C4 hydrocarbon feed containing olefins to produce heavier liquid hydrocarbons comprising converting a major portion of C3 -C4 olefins in an oligomerization...
4628134 Multistage process for converting oxygenates to alkylated liquid hydrocarbons  
Alkylate is produced by catalytically converting oxygenate feedstock, such as methanol, to lower olefins comprising C2 -C4 olefins. Ethene is separated for recycle and an isoparaffin is alkylated...
4628135 Integrated process for converting oxygenates to liquid hydrocarbons  
Alkylate is produced by catalytically converting oxygenate feedstock, such as methanol, to lower olefins comprising dominantly C2 -C4 olefins. Ethene is separated from primary stage effluent by...
4575567 Adsorbent regeneration in etherification processes  
An improved method is disclosed for regenerating adsorbents used in an integrated process for the production of ethers such as methyl tertiary butyl ether by the reaction of an alcohol with an...
4470879 Fractionator control in an alkylation process  
Normal butane withdrawn from the main fractionator in an acid alkylation process is recycled to the main fractionator as required to insure that the actual alkylate to normal butane ratio in the...
4465893 Oxidative condensation of natural gas or methane into gasoline range hydrocarbons  
This invention relates to a new process for the direct conversion of natural gas or methane into gasoline range hydrocarbons (i.e., synthetic transportation fuels or lower olefins) via catalytic...
4440601 Method and apparatus for high volume fractional distillation of liquids  
A method and apparatus for high volume distillation of impure liquid, particularly of binary mixtures of relatively low boiling organic substances and water, comprises fractionally distilling the...
4433192 Condensation of natural gas or methane into gasoline range hydrocarbons  
This invention relates to a new process for the direct conversion of natural gas or methane into gasoline-range hydrocarbons (i.e., synthetic transportation fuels or lower olefins) via catalytic...
4426544 Power recovery in motor fuel alkylation process  
An energy recovery method is disclosed for use on acid catalyzed alkylation processes which produce motor fuel blending components. The method is used on alkylation processes in which a light...
4301315 Method of producing high octane alkylate gasoline  
A stream comprising isobutylene and n-butenes is processed to effect dimerization of the isobutylene, and the resulting isobutylene dimer is fed to an alkylation step.
4262155 Maximization of isoparaffin utilization in alkylation of hydrocarbons  
Utilization of isoparaffin is maximized in an alkylation of isoparaffin with olefin by variously detecting and/or measuring change in amount of hydrocarbon effluent, the alkylation zone and...
4255605 Diisopropyl from butenes  
A process for producing high octane DIP (2,3-dimethylbutane) from mixed C4 olefins comprising the steps of subjecting the mixed C4 olefines to double bond isomerization, skeletal isomerization,...

Matches 101 - 150 out of 158 < 1 2 3 4 >