Matches 1 - 40 out of 40


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US20130204056 Selective Hydrogenation of Alkynyl-Containing Compounds  
A selective hydrogenation method is particularly effective in selectively hydrogenating alkynyl compounds, such as acetylene or methyl acetylene, over alkenyl compounds, such as ethylene. The...
US20150005552 Crude Butadiene Pre-Treatment for Removal of High Furan Content  
A process is presented for the purification of 1,3 butadiene. The process is for treating a butadiene stream from an oxidative dehydrogenation unit, where a butane stream is dehydrogenated,...
US20140100399 BUTADIENE EXTRACTION PROCESS  
A process for recovering butadiene from a C4 fraction is disclosed. The process may include: contacting a mixed C4 stream comprising butane, butene, and butadiene, with a solvent comprising an...
US20130310615 Stabilization And Hydrogenation Methods For Microbial-Derived Olefins  
Processes and systems for stabilization and subsequent hydrogenation of an immiscible olefin are described. In certain embodiments, the hydrogenation is conducted in a fixed bed reactor in...
US20140275674 METHODS AND SYSTEMS FOR SEPARATING OLEFINS  
Systems and methods for separating one or more olefins are provided. In one or more embodiments, the method for separating one or more olefins can include separating at least a portion of one or...
US20150119615 PYROLYSIS GASOLINE TREATMENT PROCESS  
A process for treating pyrolysis gasoline that includes providing a first stage di-olefin reactor that includes a first bed and a second bed and introducing a pyrolysis gasoline stream to the...
US20140018584 MORE ENERGY EFFICIENT C5 HYDROGENATION PROCESS  
A process for the conversion of linear pentenes to propylene is disclosed. The process may include feeding hydrogen and a C5-olefin containing stream comprising linear pentenes, dienes,...
US20120108866 PROCESS FOR THE SELECTIVE HYDROGENATION AND HYDRODESULFERIZATION OF A PYROLYSIS GASOLINE FEEDSTOCK  
Disclosed is a process for the selective hydrogenation of diolefins and sulfur compounds that are contained in a pyrolysis gasoline feedstream. The process includes utilizing a single...
US20130184507 Hydrogenation Process Using Catalyst Comprising Ordered Intermetallic Compound  
The present invention relates to a process for the hydrogenation, in particular the selective hydrogenation of unsaturated hydrocarbon compounds using a hydrogenation catalyst comprising an...
US20140114102 SELECTIVE HYDROGENATION METHOD FOR PHENYLACETYLENE IN THE PRESENCE OF CRACKING C8 FRACTION  
Provided is a method for selective hydrogenation phenylacetylene (PA) in cracked C8 fraction, which adopts a hydrogenation reactor featuring an upper catalyst bed and a lower catalyst bed, and...
US20070021637 Absorption and conversion of acetylenic compounds  
A method for the absorption of alkynes and diolefins from an ethylene or propylene containing stream with conversion to alkenes by catalytic hydrogenation in a solvent over a fixed bed comprising...
US20070265483 PROCESS FOR SELECTIVELY HYDROGENATING BUTADIENE IN AN C4 OLEFIN STREAM CONTAINING A CATALYST POISON WITH THE SIMULTANEOUS ISOMERIZATION OF 1-BUTENE TO 2-BUTENE  
A process for selectively hydrogenating butadiene that is contained in a C4 stream having a concentration of a catalyst poison and C4 olefins, including 1-butene, and further the process provides...
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...
US20100240936 CATALYSTS AND PROCESSES FOR SELECTIVE HYDROGENATION OF ACETYLENE AND DIENES IN LIGHT OLEFIN FEEDSTREAMS  
A catalyst and a method for selective hydrogenation of acetylene and dienes in light olefin feedstreams are provided. The catalyst retains higher activity and selectivity after regeneration than...
US20150051357 HIGH ACTIVITY CATALYST FOR HYDROSILYLATION REACTIONS AND METHODS OF MAKING THE SAME  
A heterogeneous catalyst comprising a metal-containing polymer matrix covalently bonded to a support material and a method of making and using such catalysts. The metal-containing polymer matrix...
US20060217579 Selective hydrogenation process and catalyst therefor  
A catalyst suitable for use in hydrogenation, especially the selective hydrogenation of acetylenic compounds to olefinic compounds, which comprises palladium supported upon an alumina support...
US20150158794 Removal of Bromine Index-Reactive Compounds  
The invention is directed to the use of dissolved hydrogen in a purification process for the removal of Bromine Index (BI)-reactive compounds from an aromatic-containing hydrocarbon stream derived...
US20050096217 Selective hydrogenation catalyst  
A process for selective hydrogenation of acetylene during ethylene purification utilizing a palladium/thallium impregnated catalyst.
US20090326288 Method for Selective Hydrogenation of Acetylene to Ethylene  
The present invention relates to a method for selective hydrogenation of acetylene to ethylene, comprising the steps of: i) introducing a feed comprising acetylene and hydrogen into a reactor...
US20090221861 Hydrogenation Process Using Catalyst Comprising Ordered Intermetallic Compound  
The present invention relates to a process for the hydrogenation, in particular the selective hydrogenation of unsaturated hydrocarbon compounds using a hydrogenation catalyst comprising an...
US20100144998 PROCESS FOR FINE PURIFICATION OF 1-BUTENIC STREAMS  
The invention relates to a process for preparing 1-butenic fractions having less than 2000 ppm of isobutene in relation to 1-butene from technical mixtures of C4 hydrocarbons I which contain at...
US20090270665 DEVICE TO SEPARATE OLEFINS FROM PARAFFINS AND TO PURIFY OLEFINS AND USE THEREOF  
The present invention discloses a device, which uses membranes, capable of separating olefins from paraffins. The device (1) considers an ultramicroporous ceramic membrane module, zeolite or...
US20100016646 PROCESS FOR HYDROGENATING BUTADIYNE  
In the process for hydrogenating butadiyne over a catalyst which comprises at least one platinum group metal on an inorganic metal oxide as a support, the hydrogenation is performed at a pressure...
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...
US20110251447 Process for Hydrogenating Highly Unsaturated Hydrocarbons and Catalyst Therefor  
A process for hydrogenating highly unsaturated hydrocarbons to less unsaturated hydrocarbons wherein production of saturated hydrocarbons is minimized. The process utilizes catalyst including...
US20120071700 CATALYSTS FOR HYDROGENATION OF UNSATURATED HYDROCARBONS AND PREPARATIONS AND USES THEREOF  
Disclosed are catalysts for hydrogenation of unsaturated hydrocarbons comprising at least one carrier, at least one active metallic component supported on the at least one carrier, and at least...
US20170174585 PROCESS FOR THE SELECTIVE HYDROGENATION OF OLEFINIC FEEDS WITH A SINGLE PRINCIPAL REACTOR AND A GUARD REACTOR OF REDUCED SIZE  
The present invention relates to a process for the selective hydrogenation of a feed of hydrocarbons containing polyunsaturated molecules comprising at least 3 carbon atoms, using a single...
US20160347688 Olefin Production Process  
A method (100) for obtaining olefins is proposed, wherein a first gas mixture (b), which is produced by a steam cracking process (1), is at least partially used to form a first separation...
US20160326442 CLEANING OF LIQUID HYDROCARBON STREAMS BY MEANS OF COPPER-CONTAINING SORBENTS  
The invention relates to a method for cleaning hydrocarbon mixtures, in which a contaminated hydrocarbon mixture comprising hydrocarbons having three to eight carbon atoms is at least partly freed...
US20160271578 REACTOR WITH PLATE FIXING SYSTEM  
A reactor comprising plate elements (04) with inter-locking sliding locks (05) for quick and easy mounting and de-mounting.
US20160214913 HYDROGENATION REACTOR AND PROCESS  
A reactor and process for removing unsaturated alkynes and diolefinic impurities from olefins and oxygenates is described.
US20160168057 METHODS FOR REMOVING IMPURITIES FROM HYDROCARBONS  
Methods are provided for producing hydrocarbons. A method for producing hydrocarbons may include a method of removing impurities from a hydrocarbon stream using a strong base resin. The strong...
US20160108325 PROCESS FOR HYDROTREATING A COKER KEROSENE STREAM TO PROVIDE A FEED STREAM FOR A PARAFFIN SEPARATION ZONE  
A process for hydrotreating a coker kerosene feed stream to produce a feed stream for a paraffin separation zone. An effluent stream from a hydrotreating zone is passed to an aromatic separation...
US20160002544 PROCESSES FOR CONVERTING BIOMASS TO BTX WITH LOW SULFUR, NITROGEN AND OLEFIN CONTENT VIA A CATALYTIC FAST PYROLYSIS PROCESS  
Methods of separating and purifying products from the catalytic fast pyrolysis of biomass are described. In a preferred method, a portion of the products from a pyrolysis reactor are recovered and...
US20150353449 PROCESS FOR THE SELECTIVE HYDROGENATION OF ACETYLENE TO ETHYLENE  
A process for a liquid phase selective hydrogenation of acetylene to ethylene in a reaction zone in which acetylene is contacted with hydrogen under hydrogenation conditions and a molar ratio of...
US20150353448 PROCESS FOR THE SELECTIVE HYDROGENATION OF ACETYLENE TO ETHYLENE  
A process for a liquid phase selective hydrogenation of acetylene to ethylene in a reaction zone. In order to decrease the selectivity to C4+ hydrocarbons, the concentration of acetylene in...
US20150329439 ETHYLENE-TO-LIQUIDS SYSTEMS AND METHODS  
Integrated systems are provided for the production of higher hydrocarbon compositions, for example liquid hydrocarbon compositions, from methane using an oxidative coupling of methane system to...
US20150329438 ETHYLENE-TO-LIQUIDS SYSTEMS AND METHODS  
Integrated systems are provided for the production of higher hydrocarbon compositions, for example liquid hydrocarbon compositions, from methane using an oxidative coupling of methane system to...
US20150299585 Method for Selective Hydrogenation of Unsaturated Compound  
The present invention relates to a method for the selective hydrogenation of an unsaturated compound, particularly a method in an unsaturated compound or a mixture containing unsaturated compounds...
US20150231611 METHODS AND APPARATUSES FOR REGENERATING CATALYSTS FOR HYDROCARBON PRODUCTION  
Methods and apparatuses are provided for producing hydrocarbons. A method includes contacting an aromatic rich feed stream including diolefins with a catalyst in the presence of hydrogen to react...

Matches 1 - 40 out of 40