Matches 1 - 47 out of 47


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US20130072732 METHOD OF SEPARATING BUTENE-2 FROM A C4 CUT CONTAINING BUTENE-2 AND BUTENE-1 BY SELECTIVE OLIGOMERIZATION OF BUTENE-1  
The present invention describes a method of separating butene-2 from a C4 cut containing butene-2 and butene-1 by selective oligomerization of butene-1 to predominantly linear oligomers. Optional...
US20070149840 Technology to improve yield and capacity of the butadiene extraction facility which uses C4 as feedstock supplied by ethylene plant  
This technology aims to improve yield and throughput of butadiene extraction facility which uses C4 as feedstock supplied by ethylene plant. The key point of the technical solution is to properly...
US20130072733 METHOD OF SEPARATING PENTENE-2 FROM A C5 CUT CONTAINING PENTENE-2 AND PENTENE-1 BY SELECTIVE OLIGOMERIZATION OF PENTENE-1  
The present invention describes a method of separating pentene-2 from a C5 cut containing pentene-2 and pentene-1 by selective oligomerization of pentene-1 to dimers having a branching index less...
US20130237740 Use of Solvent to Decrease Caustic Scrubber Fouling  
The present invention is a method of reducing the formation of fouling deposits occurring in a caustic scrubber used to remove acid gases comprising: a) providing a caustic scrubber fed with an...
US20140012059 PROCESS FOR SEPARATING 1-HEXENE FROM A MIXTURE OF PRODUCTS OBTAINED FROM AN ETHYLENE TRIMERIZATION ZONE  
A process for recovering 1-hexene comprising: a) separating the mixture obtained from the ethylene trimerization reaction into a top fraction comprising ethylene and a bottom fraction, b)...
US20140051819 POLYMERS OF ISOBUTENE FROM RENEWABLE SOURCES  
The present invention is directed to a method for preparing isobutene from a renewable source and their use in the preparation of renewable polymers. The invention also discloses purification of...
US20130102828 Process to Decrease or Eliminate Corrosion from the Decomposition of Halide Containing Olefin Cataysts  
A process is provided to inhibit or limit the decomposition of a halide-containing olefin oligomerization catalyst system during recovery of an oligomerization product. The process includes...
US20090043140 Narrow cut waxes and method of making  
A method of producing a wax composition having a constrained carbon number distribution and/or a narrow melting range is described. Additionally, hydrocarbon waxes and hydrocarbon wax compositions...
US20140135558 RECOVERY OF ETHYLENE FROM METHANOL TO OLEFINS PROCESS  
Olefins may be recovered from a methanol to olefins reactor effluent by initially feeding the effluent to an absorber demethanizer to contact the effluent with an absorbent to recover an overheads...
US20120232232 Ethylene Recovery by Absorption  
A process for recovery of ethylene from a polymerization product stream of a polyethylene production system, comprising separating a light gas stream from the polymerization product stream,...
US20090105514 Extractive distillation processes using water-soluble extractive solvents  
Extractive distillation processes whereby water-soluble extractive distillation (ED) solvents are regenerated and recovered employ improved operations of the extractive distillation column (EDC)...
US20070219401 Method for separation of olefins  
To decrease capital costs of crack gas treatment of the olefin plant, a method for separation of olefins reduces the units for catalytic hydrogenation. In the method, olefins having three carbon...
US20090149687 Propylene recovery during regeneration of an oxygenate removal unit  
Processes and systems are disclosed that relate to the removal of impurities and separation the light olefins from an MTO product vapor stream. Specifically, the processes and systems relate to...
US20050075527 Method and processing equipment for hydrocarbons and for separation of the phases produced by said processing  
Method for processing hydrocarbons comprising at least two processing chambers and means for separating the liquid and gaseous fractions contained in the polyphasic mixture produced in the first...
US20140323778 CATALYTIC ADSORBENT FOR THE CAPTURE OF ARSENIC AND THE SELECTIVE HYDRODESULFURIZATION OF GASOLINES  
A catalytic adsorbent, comprising at least cobalt and molybdenum deposited on a porous substrate in which the content of cobalt, expressed in terms of CoO oxide, is between 11 and 30% by weight...
US20120226087 PROCESS FOR WORKUP OF A STREAM COMPRISING BUTENE AND/OR BUTADIENE  
The invention relates to a process for workup of a stream (1) comprising butene and/or butadiene, butane, hydrogen and/or nitrogen and carbon dioxide, comprising: (a) absorption of stream (1) with...
US20140303422 Process for Removing Oxygenated Contaminates from an Ethylene Stream  
The present invention is, in a first embodiment, a process for removing oxygenated contaminants from an ethylene stream comprising: a) providing a dried ethylene stream (A) comprising essentially...
US20140323791 Process for Removing Oxygenated Contaminates from an Ethylene Stream  
The present invention is a process for removing oxygenated contaminants from an ethylene stream comprising: a) providing a dried ethylene stream (A) comprising essentially ethylene, up to 1 w %...
US20120172649 PROCESS FOR RECOVERY OF PROPYLENE AND LPG FROM FCC FUEL GAS USING STRIPPED MAIN COLUMN OVERHEAD DISTILLATE AS ABSORBER OIL  
A process is disclosed for enhanced recovery of propylene and LPG from the fuel gas produced in Fluid catalytic cracking unit by contacting a heavier hydrocarbon feed with FCC catalyst. In the...
US20050222474 Oxygenated hydrocarbon compositions and method for recovering the compositions  
Disclosed is a method of recovering oxygenates from an olefin production process and oxygenate compositions that can be recovered from an olefin production process. The recovered oxygenate...
US20130102827 METHOD FOR TREATING A CRACKED GAS STREAM FROM A HYDROCARBON PYROLYSIS INSTALLATION AND INSTALLATION ASSOCIATED THEREWITH  
This method includes the separation of an upstream partly condensed cracked gas stream in an intermediate separator (44B) in order to recover an intermediate liquid (136), and an intermediate...
US20130211162 METHOD AND SYSTEM FOR PURIFYING AN ETHYLENE-CONTAINING GAS STREAM  
A two catalyst system is described having separate catalyst beds for the selective conversion of acetylene to ethylene which reduces the concentration of acetylene, dienes, O2, and NOx is...
US20100048971 SEPARATION OF OLEFINS FROM OLEFINS/PARAFFINS MIXED GAS  
The present invention relates to a method and an apparatus for the separation of C4 olefins (butene-1, trans-2-butene, cis-2-butene, etc.) and C4 paraffins (normal butane, isobutane, etc.) from a...
US20090326307 SEPARATION PROCESS FOR OLEFIN PRODUCTION  
Improved processes for the separation of olefins from paraffins, such as propylene from propane are provided. Two product splitters are used in parallel to separate propylene from propane. One of...
US20140235915 PROCESS FOR SULFUR REMOVAL FROM REFINERY OFF GAS  
Organic sulfur compounds contained in refinery off gas streams having either high ort low concentrations of olefins are converted to hydrogen sulfides which can be then be removed using...
US20140350319 PROCESS FOR REMOVING OXYGENATED CONTAMINANTS FROM AN HYDROCARBONSTREAM  
The present invention is a process for removing oxygenated contaminants and water from an hydrocarbon stream comprising: introducing the contaminated hydrocarbon stream in a gaseous phase in an...
US20130172653 "PROCESS FOR REMOVING OXYGENATED CONTAMINANTS FROM AN HYDROCARBONSTREAM"  
The present invention is a process for removing oxygenated contaminants and water from an hydrocarbon stream comprising: introducing the contaminated hydrocarbon stream in a gaseous phase in an...
US20130178683 PROCESS FOR REMOVING OXYGENATED CONTAMINANTS FROM AN HYDROCARBONSTREAM  
The present invention is a process for removing oxygenated contaminants and water from an hydrocarbon stream comprising: introducing the contaminated hydrocarbon stream in a gaseous phase in an...
US20130267752 METHOD FOR PURIFICATION OF A HYDROCARBON STREAM CONTAINING OLEFIN AND AMINE  
The present invention relates to a method for purification of a hydrocarbon stream containing linear alpha olefins, isomers thereof and at least one organic amine, the linear alpha olefins,...
US20130172655 PROCESS FOR REMOVING OXYGENATED CONTAMINANTS FROM AN HYDROCARBON STREAM  
The present invention is a process for removing oxygenated contaminants and water from an hydrocarbon stream comprising: introducing the contaminated hydrocarbon stream in a gaseous phase in an...
US20100197988 METHOD FOR SEPARATING AND PRODUCING CYCLOHEXENE  
There is provided a method for separating cyclohexene comprising the steps of: (a) separating a mixed solution containing cyclohexene, cyclohexane, and benzene by distillation using...
US20140336434 METHOD FOR REMOVAL OF ORGANIC AMINES FROM HYDROCARBON STREAMS  
The present invention relates to a method for removal of an organic amine from a liquid hydrocarbon stream containing the amine, comprising: a) adding water to the hydrocarbon stream containing...
US20130172654 PROCESS FOR REMOVING OXYGENATED CONTAMINANTS FROM AN HYDROCARBON STREAM  
The present invention is a process for removing oxygenated contaminants and water from an hydrocarbon stream comprising: introducing the contaminated hydrocarbon stream in a gaseous phase in an...
US20150158795 Membrane-Based Gas Separation Processes to Separate Dehydrogenation Reaction Products  
Gas separation processes are provided for separating dehydrogenation reaction products from a raw gas stream to recover hydrocarbons, specifically olefins, such as propylene and iso-butene, as...
US20150232396 Component Separations in Polymerization  
A process for component separation in a polymer production system, comprising separating a polymerization product stream into a gas stream and a polymer stream, wherein the gas stream comprises...
US20120232231 Component Separations in Polymerization  
A process for component separation in a polymer production system, comprising separating a polymerization product stream into a gas stream and a polymer stream, wherein the gas stream comprises...
US20150166440 Method and Apparatus for Reducing Condensation In Vapor-Liquid Acid Gas Scrubbers  
The invention generally relates to a hydrocarbon process for reducing condensation in a vapor-liquid amine or caustic acid gas scrubber. A first mixture is provided, the first mixture being...
US20150025292 SEPARATION SEQUENCE FOR HYDROCARBONS FROM A GENTLE THERMAL CLEAVAGE  
The invention describes a method for separating hydrocarbons in an installation for generating hydrocarbons from a hydrocarbon-containing charge by cleavage. The product gas of the cleavage, which...
US20130030235 METHOD FOR DESULFURIZING OLEFIN-CONTAINING CHARGE MATERIAL BY CONTROLLING THE OLEFIN CONTENT  
A process and an apparatus for desulphurisation of a feed stream containing olefins and hydrogen which is split into at least two feed streams. The first feed stream is introduced into the reactor...
US20050014639 Process and catalyst for the selective hydrogenation of diolefins contained in an olefin containing stream and for the removal of arsenic therefrom and a method of making such catalyst  
A catalyst having dual functionality for the removal of arsenic and the selective hydrogenation of diolefins from monoolefin-containing hydrocarbon streams that have an arsenic concentration and a...
US20160368841 PROCESS FOR PROPYLENE AND LPG RECOVERY IN FCC FUEL GAS  
The present invention provides a process for recovery of propylene and LPG from the fuel gas produced in FCC unit by contacting a heavier hydrocarbon feed with FCC catalyst. The process provides...
US20160096783 POLYOLEFIN MANUFACTURING SYSTEM INCLUDING A MEMBRANE FRACTIONATION SYSTEM FOR DILUENT RECOVERY  
A fractionation system for a polymerization reactor includes a membrane separation system designed to separate light components, such as unreacted monomer and inerts, from diluent. The membrane...
US20160090336 REMOVAL OF AROMATIC CONTAMINANTS IN OLEFIN STREAM FROM PARAFFIN DEHYDROGENATION  
A process is presented for the removal of aromatics from an olefin stream. The process includes washing the olefin stream with a hydrocarbon stream to absorb aromatics generated in a...
US20160075620 Process for Recovering Olefins from Manufacturing Operations  
A process for treating an effluent gas stream arising from a manufacturing operation that produces an olefin or a non-polymeric olefin derivative. The process involves cooling and condensing the...
US20160075619 Process for Recovering Olefins from Manufacturing Operations  
A process for treating an effluent gas stream arising from a manufacturing operation that produces an olefin or an olefin derivative. The process involves compressing the feed gas stream, which...
US20150368168 OPTIONS TO REDUCE FOULING IN MTO DOWNSTREAM RECOVERY  
A process is presented for removing the fouling problems associated with the product recovery in a methanol to olefins conversion process. The process includes passing the quenched MTO process...
US20150267027 Component Separations in Polymerization  
A process for component separation in a polymer production system, comprising separating a polymerization product stream into a gas stream and a polymer stream, wherein the gas stream comprises...

Matches 1 - 47 out of 47