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8110094 Regenerable and non-regenerable sorbents for acid gas removal  
A dewatered ethanol residue regenerable and non-regenerable sorbent for the removal of acid gas from hydrocarbon production gas streams and the process for the removal of acid gas from hydrocarbon...
8017825 Modified ETS-10 zeolites for olefin separation  
An as prepared Na-ETS-10 zeolite was modified by ion exchange with a mono-, di-, or tri-valent cation and mixtures thereof. Several of the modified ETS-10 zeolites showed improved pressure swing...
7959899 Molecular sieve composition (EMM-10-P), its method of making, and use for hydrocarbon conversions  
This invention relates to a crystalline molecular sieve having, in its as-synthesized form, an X-ray diffraction pattern including d-spacing maxima at 13.18±0.25 and 12.33±0.23 Angstroms, wherein t...
7883686 MCM-22 family molecular sieve composition, its method of making, and use for hydrocarbon conversions  
This disclosure relates to a crystalline MCM-22 family molecular sieve having a platelet aggregates morphology wherein greater than 50 wt % of the molecular sieve having a crystal diameter greater...
7611623 Separation method using an ITQ-29 zeolite material  
The invention relates to a method of separating the components of a mixture. The inventive method is characterised in that it comprises the following steps: (a) the bringing into contact of the...
7597798 Method for reducing the amount of high molecular weight organic sulfur picked-up by hydrocarbon streams transported through a pipeline  
A process for removing relatively low levels of high molecular weight organic sulfur from hydrocarbon streams, particularly from streams that have picked-up such sulfur while being transported...
7566394 Enhanced solvent deasphalting process for heavy hydrocarbon feedstocks utilizing solid adsorbent  
A solvent deasphalting of crude oil or petroleum heavy fractions and residues is carried out in the presence of a solid adsorbent, such as clay, silica, alumina and activated carbon, which adsorbs...
7435865 Method for separating hydrocarbons and use of a zeolite therefor  
A method for separating a mixture of hydrocarbons into fractions enriched in linear, mono-branched, or multi-branched hydrocarbons is disclosed. In particular, mono-branched alkanes are separated...
6805790 Process and an apparatus for preparation of petroleum hydrocarbon solvent with improved color stability from nitrogen rich crude oil  
A process and an apparatus for the preparation of petroleum hydrocarbon solvent with improved color stability from crude oils having high concentration of nitrogenous compounds which comprises...
6500404 Zeolite ITQ-3  
The present invention refers to a crystalline material of zeolitic nature named ITQ-3 characterized by its characteristic X-ray diffraction pattern and its microporous properties, to the process of...
6488741 Light hydrocarbon separation using 8-member ring zeolites  
A method of selectively adsorbing propylene in mixtures of propylene/propane and propylene/olefins through the use of zeolites having structures with a maximum of 8-member rings of tetraheda...
6407301 Ethylene production by steam cracking of normal paraffins  
An adsorptive separation process for preparing the separate feed streams charged to naphtha reforming unit and a steam cracking unit is presented. The feed stream to the overall unit is...
6353144 Process for chromatographic separation of a C5-C8 feed or an intermediate feed into three effluents, respectively rich in straight chain, mono-branched and multi-branched paraffins  
For producing three effluents which are respectively rich in straight chain paraffins, in mono-branched paraffins, and in di-branched and tri-branched paraffins possibly with naphthenic and/or...
6329562 Separation process for separating cycloalkenes having at least 2 double bonds from a reaction mixture  
A process for separating off cycloalkenes having at least two double bonds from a reaction mixture in hydrocarbon solution formed during the metathesis of cycloalkamonoenes or...
6252127 Process for monomethyl acyclic hydrocarbon adsorptive separation  
Monomethyl branched C10 -C15 paraffins or olefins are recovered from a mixture comprising other nonnormal hydrocarbons such as di-isoparaffins, di-isoolefins and aromatics by adsorptive separation...
6225518 Olefinic hydrocarbon separation process  
A molecular sieve used in a process for separating olefinic hydrocarbons from paraffinic hydrocarbons is regenerated in a method which removes diolefins and aromatic hydrocarbons from the molecular...
6222088 Monomethyl paraffin adsorptive separation process  
Monomethyl branched C10 -C15 paraffins or olefins are recovered from a mixture comprising other nonnormal hydrocarbons such as di-isoparaffins, di-isoolefins, naphthenes and aromatics by adsorptive...
6215037 Method for selective adsorption of dienes  
The invention provides specific adsorbents and methods for separating an unsaturated hydrocarbon from a mixture containing such hydrocarbon. The adsorbents and methods are useful for separating...
6156950 Process for separating a C5-C8 feed or an intermediate feed into three effluents, respectively rich in straight chain, non-branched and multi-branched paraffins  
For producing three effluents which are respectively rich in straight chain paraffins, in mono-branched paraffins, and in di-branched and tri-branched paraffins possibly with naphthenic and/or...
6137024 Process for separating meta-xylene  
A process for separating meta-xylene from a mixture containing meta-xylene, para-xylene, and ortho-xylene has been developed. The process involves contacting the mixture with zeolite Beta to effect...
5948950 Process for separating para-xylene, comprising an adsorption step with injection of water and a crystallization step  
A process for separating para-xylene from a C8 feed in a simulated moving bed comprises a step for adsorption on a zeolite and desorption using a desorbent delivering an extract and a raffinate,...
5935422 Removal of organic sulfur compounds from FCC gasoline using regenerable adsorbents  
Removal of aromatic sulfur compounds from an FCC feedstock with minimal adsorption of aromatic hydrocarbons is achieved using a zeolite Y exchanged with alkali or alkaline earth cations. KY is an...
5919354 Removal of sulfur from a hydrocarbon stream by low severity adsorption  
A process is provided for reducing the sulfur content of a hydrocarbon stream, wherein a hydrocarbon stream containing sulfur constituents is contacted with a sorbent under temperature and pressure...
5895769 In-situ crystallized zeolite containing composition (LAI-ISC)  
Applicant has discovered a new zeolite containing composition and a process for preparing the same. The composition is unique in that the zeolite crystals making up one layer of the composition...
5814208 Hydrocarbon catalytic cracking process  
Hydrocarbon fluid catalytic cracking (FCC) plants are debottlenecked by subjecting part or all of the wet gas stream leaving the main fractionator overhead receiver to pressure swing adsorption to...
5807475 Process for removing sulfur compounds from hydrocarbon streams  
A process for removing sulfur containing compounds from various hydrocarbon streams is disclosed and claimed. The process involves contacting the feedstream with an adsorbent such as nickel...
5744687 Process for recovering alkenes from cracked hydrocarbon streams  
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...
5731488 Method for the purifiction of a paraffin cut  
Paraffin cuts contaminated with aromatic compounds are brought in contact at ambient temperature with faujasites, in which the Si/Al ratio is less than 1.2, in particular, sodium faujasites which...
5463167 Mercury removal by dispersed-metal adsorbents  
A method of removing contaminants from a hydrocarbon stream which involves contacting the hydrocarbon stream containing a heavy-metal contaminant with a porous material under conditions suitable...
5370785 Hydrocarbon conversion process employing a porous material  
There is provided a hydrocarbon conversion process and a process for sorbing a sorbate wherein said conversion and sorption process each comprises the use of a porous material. A process for...
5349117 Process for sorption separation  
A process for separating at least one component from a mixture of components which comprises contacting the mixture with a sorbent structure comprising a film of interconnected zeolite crystals...
5294334 Benzene removal and conversion from gasoline boiling range streams  
A totally contained adsorption process for the substantial total removal and conversion of benzene to cyclohexane in gasoline boiling range streams. At least a portion of the gasoline boiling range...
5292990 Zeolite composition for use in olefinic separations  
Basically, the present invention is predicated on the discovery that zeolites that have a high silica to alumina ratio, e.g., a ratio of 20 and above, pore diameters of greater than about 5.0Å, a...
5220099 Purification of a hydrocarbon feedstock using a zeolite adsorbent  
A process for purifying linear paraffins in which a hydrocarbon stream containing linear paraffins contaminated with aromatics, sulfur-, nitrogen-, and oxygen-containing compounds, and color...
5198102 Benzene removal from a heartcut fraction of gasoline boiling range streams  
A method for selectively separating benzene from gasoline boiling range streams by first fractionating the stream to produce a C6 heartcut fraction which is then passed to an adsorption zone...
5190633 Hydrocracking process with polynuclear aromatic dimer foulant adsorption  
A process for separation and removal of stable polycyclic aromatic dimer foulants from refinery process streams by selectively adsorbing the foulants while eluting non-fouling smaller-ringed...
5186819 Benzene removal from gasoline boiling range streams  
A method for selectively separating benzene from gasoline boiling range streams by first passing the stream to an adsorption zone comprised of an adsorbent capable of selectively adsorbing benzene...
5171923 Recycle for process for purification of linear paraffins  
A process for purifying linear paraffins in which a hydrocarbon feedstream containing linear paraffins contaminated with aromatics, sulfur-, nitrogen-, and oxygen-containing compounds, and color...
5146039 Process for low level desulfurization of hydrocarbons  
A hydrocarbon containing sulfides, disulfides, trisulfides, tetrasulfides or mixtures can be desulfurized by contacting the hydrocarbon with a zeolite containing copper, silver, zinc or mixtures...
5132486 Adsorption-desorption separation process for the separation of low and high octane components in virgin naphthas  
An improved adsorption-desorption process is disclosed for separating low octane components from field natural gasoline and virgin naphthas. The low octane materials may be further separated into...
5114689 Integrated process for the removal of sulfur compounds from fluid streams  
The present invention relates to a new and integrated process involving the utilization of a primary adsorption bed containing a regenerable, physical adsorbent and an auxiliary sorption bed...
5108968 Process for treating a material wherein the material is suspended in a gaseous atmosphere  
A process for treating catalytic particles in a vertical chamber is disclosed. The catalytic particles comprise spent catalysts from such hydroprocesses as hydrocracking and hydroreforming. The...
5109139 Process control of process for purification of linear paraffins  
A process for purifying linear paraffins in which a hydrocarbon stream containing linear paraffins contaminated with aromatics, sulfur-, nitrogen-, and oxygen-containing compounds, and color...
5107062 Zeolitic para-xylene separation with tetralin derivatives as heavy desorbent  
A chromatographic process able to separate paraxylene from C8 isomers and C9 aromatics. In the process, the para-xylene-containing feed mixture is contacted with an X or Y zeolite adsorbent having...
5075044 Process for the radioactive decontamination of an oil  
According to the invention, the oil is passed through a pulverulent material, such as an earth or clay, in the presence of an acid. The pulverulent material can be placed beforehand on a filter or...
5045175 Separation system for C4 hydrotreater effluent having reduced hydrocarbon loss  
A hydrotreating process uses a separation section that reduces the loss of C4 and higher hydrocarbons through the use of a low hydrogen to hydrocarbon ratio in the reactor and the adsorptive...
5041693 Separation of normal paraffins and the regeneration of zeolitic molecular sieves used therein  
Methods are provided for regenerating a zeolitic molecular sieve having a sulfur-containing carbonaceous material deposited thereon by contacting the zeolitic molecular sieve with an...
5026482 Separation of liquid mixtures by concentration swing adsorption  
The present invention is a concentration swing adsorption process for separating a liquid phase feedstock comprising a more adsorbable component (A) and a less adsorbable component (B) with respect...
5019271 Extractive chromatographic separation process for recovering 3,5-diethyltoluene  
This invention comprises a process for separating 3,5-diethyltoluene from a feed mixture comprising 3,5-diethyltoluene and at least one isomer thereof, which process comprises contacting the...
5017735 Selective sorption of 2,6-diisopropylnaphthalene  
A process for enriching the fraction of 2,6-diisopropylnaphthalene contained in a quantity of mixed dialkylated naphthalenes. The mixed dialkylated naphthalenes are contacted with an adsorbant bed...
Matches 1 - 50 out of 377 1 2 3 4 5 6 7 8 >