Class / Patent application number | Description | Number of patent applications / Date published |
568451000 | Hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen | 57 |
20090054696 | PRODUCTION OF DETERGENT RANGE ALCOHOLS - This invention relates to a process for the production of alcohols and/or aldehydes. A hydrocarbon feed stream containing paraffins and olefins, typically in which more than 5% by volume of olefin molecules in the hydrocarbon feed stream have a total number of carbon atoms which is different from the total number of carbon atoms of the most abundant two (preferably three) carbon numbers of olefins (by carbon number) in the hydrocarbon stream, is subjected to a hydroformylation reaction in which olefins are converted to alcohols and/or aldehydes. Paraffins in the hydroformylation product are then separated from alcohols and/or aldehydes by azeotropic distillation in an azeotropic distillation column. The invention also relates to a method for separating alcohols/aldehydes from paraffins in a hydrocarbon feed stream in an azeotropic distillation column using a mid-boiling polar entrainer. | 02-26-2009 |
20090118548 | HYDROFORMYLATION PROCESS AND PRODUCT SEPARATION WITH IMPROVED RECOVERY OF RHODIUM - A non-aqueous hydroformylation process with liquid catalyst recycle involving a hydroformylation step and one or more stages of phase separation to recover a high molecular weight aldehyde product with efficient recovery of rhodium catalyst. The process includes a hydroformylation step to prepare a non-aqueous hydroformylation reaction product composition comprising one or more aldehyde products, one or more conjugated polyolefins, a rhodium-organophosphorus ligand complex, free organophosphorus ligand, and an organic solubilizing agent for said complex and said free ligand, and thereafter one or more stages of phase separation using added water under a carbon monoxide gas, hydrogen gas, or a mixture thereof. The process requires a specific range of total pressure for the hydroformylation, a specific range of total pressure for at least one of the separation stages, and a minimum sum of the total pressure of the hydroformylation step and the total pressure of the separation stage containing said gas. | 05-07-2009 |
20100010270 | HYDROFORMYLATION METHOD INVOLVING A COBALT-BASED CATATLYST IN A NON-AQUEOUS IONIC LIQUID - In a method for hydroformylating olefinically unsaturated compounds by means of a cobalt-based catalyst, used in a non-aqueous ionic liquid, liquid at a temperature below 100° C. and comprising at least one cation Q | 01-14-2010 |
20100105956 | Internal Loop Reactor And OXO Process Using Same - The invention relates to improvements in internal loop reactors. The reactor of the invention is characterized by a plurality of cooling tubes which form the annulus between the riser and the downcomer path of said internal loop reactor. The reactor also provides improvements in hydroformylation reactions using the improved reactor. | 04-29-2010 |
20100145104 | Reactor Panel for Catalytic Processes - Modular reactor panel ( | 06-10-2010 |
20100185018 | METHOD FOR THE HYDROFORMYLATION OF OLEFINS AND APPARATUS USING THE SAME - The present invention relates to a method for preparing aldehydes by reacting olefins with a synthesis gas including carbon monoxide and hydrogen, and to an apparatus therefore. More particularly, the present invention relates to a method for preparing aldehydes, characterized by spraying and supplying olefins, synthesis gas including carbon monoxide and hydrogen, and a catalyst composition into an oxo reactor through a nozzle, and to an apparatus therefore. According to the present invention, the hydroformylation efficiency can be improved, thereby obtaining desirable aldehydes with a high yield. | 07-22-2010 |
20100210880 | MULTISTAGE CONTINUOUS PROCESS FOR THE HYDROFORMYLATION OF HIGHER OLEFINS OR OLEFIN MIXTURES - The invention relates to a process for the continuous preparation of aldehydes and/or alcohols having at least 6 carbon atoms by multistage hydroformylation of olefins or olefin mixtures having at least 5 carbon atoms in the presence of unmodified cobalt complexes, in which at least two reactors are operated at different temperatures in the temperature range from 100 to 220° C. and pressures of from 100 to 400 bar, which is characterized in that
| 08-19-2010 |
20100249464 | ONE-STAGE CONTINUOUS PROCESS FOR HYDROFORMYLATING HIGHER OLEFINS OR OLEFIN MIXTURES - The invention relates to a one-stage continuous process for hydroformylating olefins having at least 5 carbon atoms to the corresponding aldehydes and/or alcohols having at least 6 carbon atoms in the presence of unmodified cobalt catalysts in a process in which, in the presence of an aqueous phase and of an organic phase, catalyst formation, catalyst extraction and hydroformylation proceed in the same reactor, which is characterized in that more aqueous cobalt salt solution is fed into the reactor as an aqueous phase with the liquid reaction mixture and is discharged from the reactor with the gas phase, and in that the level of the aqueous bottom phase is kept constant by continuously conducting a portion of the aqueous bottom phase out of the reactor. | 09-30-2010 |
20120253080 | Controlling the Normal:ISO Aldehyde Ratio in a Mixed Ligand Hydroformylation Process by Controlling the Olefin Partial Pressure - Control of an in-series, multiple, e.g., two, reaction zone, hydroformylation process for producing normal (N) and iso (I) aldehydes at a N:I ratio, the process comprising contacting an olefinically unsaturated compound, e.g., propylene, with carbon monoxide, hydrogen and a catalyst comprising (A) a transition metal, e.g., rhodium, (B) an organobisphosphite, and (C) an organomonophosphite ligand, the contacting conducted in first and subsequent reaction zones and at hydroformylation conditions comprising an olefinically unsaturated compound partial pressure in each zone, the control exercised by decreasing the olefinically unsaturated compound partial pressure in the first reaction zone to decrease the N:I ratio or increasing the olefinically unsaturated compound partial pressure in the first reaction zone to increase the N:I ratio. | 10-04-2012 |
20120277474 | CONTINUOUS PROCESS FOR THE CARBONYLATION OF ETHYLENE - A continuous process for carbonylation of ethylene in a liquid phase using carbon monoxide, a co-reactant and a suitable catalyst system, including:
| 11-01-2012 |
20130190537 | HETEROGENEOUS CATALYSTS - Convert a mixture of synthesis gas and ethylene to a product stream that contains at least one C3 oxygenate using a supported, heterogeneous catalyst represented by formula Rh | 07-25-2013 |
20130331612 | APPARATUS FOR COPRODUCTING ISO TYPE REACTION PRODUCTS AND ALCOHOLS FROM OLEFINS, AND METHOD FOR COPRODUCTING THEM USING THE APPARATUS - The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced. | 12-12-2013 |
20140058135 | PRODUCTION OF OXYGENATES FROM A METHANE CONVERSION PROCESS - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes processing acetylene as an intermediate stream to form a stream having oxygenates. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to oxygenates through subsequent reactors. | 02-27-2014 |
20140135534 | Oxo Process and Method for Producing Synthesis Gas from Waste Oil - An improved OXO process with converted waste oil recycle includes: (a) hydroformylating an olefin with synthesis gas in a reactor to produce an OXO product as well as by-product waste oil, the by-product waste oil having a lower or higher boiling temperature than said OXO product; (b) separating OXO product from the by-product waste oil; (c) converting separated waste oil to synthesis gas; and (d) recycling the synthesis gas produced in step (c) to the reactor of step (a). | 05-15-2014 |
20140343327 | JET LOOP REACTOR HAVING NANOFILTRATION - The invention relates to a device for the continuous, homogeneous-catalysis reaction of a liquid with a gas and optionally an additional fluid, wherein the device comprises at least one reactor having an external liquid circulation driven by a pump, and wherein the device has at least one membrane separation stage that preferably holds back the homogeneous catalyst. The aim of the invention is to specify a device that allows homogeneous-catalysis gas/liquid phase reactions, in particular hydroformylations, which operate with membrane separation of the catalyst to be performed economically at an industrially relevant scale. Said aim is achieved in that a jet loop reactor is provided as the reactor, and that the pump and the membrane separation stage are arranged in the same external liquid circuit. | 11-20-2014 |
20150045586 | PROCESS FOR THE PRODUCTION OF ALCOHOLS - The present invention provides a process for the production of aldehydes and/or alcohols, which process comprises the steps of: (a) reacting an oxygenate and/or olefinic feed in a reactor in the presence of a molecular sieve catalyst to form an effluent comprising olefins, comprising propylene; (b) separating the effluent comprising olefins as obtained in step (a) into at least a first olefinic product fraction comprising propylene and a second olefinic product fraction; (c) subjecting at least part of the first olefinic product fraction as obtained in step (b) to a hydroformylation process to form aldehydes; (d) separating at least part of the aldehydes as obtained in step (c) into at least a first product fraction of aldehydes and a second product fraction of aldehydes; and (e) hydrogenating at least part of the aldehydes in the first and/or second product fraction of aldehydes as obtained in step (d) to form a first product fraction of alcohols and/or a second product fraction of alcohols; (f) recycling at least part of the first and/or second product fraction of alcohols obtained in step (e) to step (a). | 02-12-2015 |
20150087864 | METHOD FOR PRODUCING BRANCHED CHAIN ALDEHYDE - A method for producing a branched chain aldehyde, comprising: reacting an aliphatic olefin having a double bond at an end with carbon monoxide and hydrogen using an iodide of a Group 9 metal as a catalyst and at least one or more selected from the group consisting of hydrogen iodide and alkyl iodides as a promoter. | 03-26-2015 |
20150141702 | PROCESS FOR HYDROFORMYLATION OF OLEFINS - In the hydroformylation of olefins having 6 to 20 carbon atoms in the presence of a cobalt catalyst in the presence of an aqueous phase with thorough mixing in a reactor, a hydroformylation products-containing first stream is withdrawn at the top of the reactor and an aqueous phase-containing second stream is withdrawn from the bottom of the reactor. The flow rate of the second stream is controlled in accordance with a temperature which is measured at a point in the bottom of the reactor or in a line leading out of the bottom of the reactor. The yield of crude hydroformylation product is increased as a result of stable sustained operation. | 05-21-2015 |
20160096785 | SELECTIVE HYDROGENATION PROCESS - A process for reducing the diene content of an olefin by feeding hydrogen to the process in stages. | 04-07-2016 |
20190144356 | Normal Alpha Olefin Synthesis Using Metathesis and Dehydroformylation | 05-16-2019 |
568453000 | Plural stages each having hydroformylation | 1 |
20150133695 | HYDROFORMYLATION PROCESS - A process comprising contacting a reaction fluid, which contains at least one phosphorus acidic compound, with a buffer solution to neutralize at least some amount of the phosphorus acidic compound, wherein the buffer solution comprises at least one salt of an unsaturated aliphatic carboxylic acid. | 05-14-2015 |
568454000 | Group VA element (N, P, As, Sb, or Bi) containing material utilized (e.g., arsenic containing ligand utilized, etc.) | 34 |
20080281128 | Hydroformylation Process - Disclosed is a process for hydroformylation of α-olefin wherein said α-olefin is reached with carbon monoxide or carbon monoxide and hydrogen and/or a reducing agent in presence of a catalyst complex based on a rhodium precursor and a ligand mixture comprising at least 1% by weight of trphenylphosphine and at least 5% by weight of diphenylcyclohexylphosphine, tris-(o-tolyl)phosphine, tris-(p-tolyl)phosphine or (2-methyl-phenyl)diphenylphospine. | 11-13-2008 |
20090292146 | CATALYST PRECURSOR FOR AN Rh COMPLEX CATALYST - The present invention relates to the preparation and use of stable catalyst precursors of rhodium complex catalysts. | 11-26-2009 |
20100069679 | ACETYLENE TOLERANT HYDROFORMYLATION CATALYSTS - Hydroformylation catalysts which can tolerate high levels of alkyne impurities in an olefin feed stream. The catalysts are composed of rhodium in combination with fluorophosphite ligands or rhodium in combination with certain bidentate ligands. Propionaldehyde has been produced by the hydroformylation of ethylene streams containing up to 1000 parts per million of acetylene without any loss of activity due to the presence of the acetylene. Ethylene contaminated with acetylene at 10,000 ppm can also be converted to propionaldehyde but some loss of activity occurs. | 03-18-2010 |
20100069680 | HYDROFORMYLATION PROCESS WITH IMPROVED CONTROL OVER PRODUCT ISOMERS - A continuous hydroformylation process for producing a mixture of aldehydes with improved flexibility and stability of a normal/branched (N/I) isomer ratio of the product aldehydes. The process involves reacting one or more olefinically-unsaturated compounds with carbon monoxide and hydrogen in the presence of an organopolyphosphite ligand and an organomonophosphite ligand, at least one of such ligands being bonded to a transition metal to form a transition metal-ligand complex hydroformylation catalyst; the process being conducted at a sub-stoichiometric molar ratio of organopolyphosphite ligand to transition metal, at a super-stoichiometric (>2/1) molar ratio of organomonophosphite ligand to transition metal, and at a carbon monoxide partial pressure in the inverse order region of the hydroformylation rate curve; and controlling and varying the isomer ratio by varying the concentration of organopolyphosphite ligand relative to transition metal. | 03-18-2010 |
20100130792 | Catalyst Composition Including Phosphite Ligands and Hydroformylation Method Using the Same - The present invention relates to a catalyst composition that includes a bis-phosphite ligand, a poly-phosphite ligand or a mono-phosphite ligand, and a transition metal catalyst, and a hydroformylation reaction using the same. The catalyst composition has the excellent catalytic activity, and the normal/iso (N/I) selectivity of aldehyde generated by the hydroformylation reaction using the same is increased. | 05-27-2010 |
20100292514 | Hydroformylation process - A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a catalyst comprising a rhodium complex and a diphosphine. The diphoshine is a trans-1,2 -bis(bis(3,4-di-n-alkylphenyl)phosphinomethyl)cyclobutane and/or a 2,3-O-isopropylidene- | 11-18-2010 |
20100324339 | PHOSPHORUS-CONTAINING CATALYST COMPOSITION AND HYDROFORMYLATION PROCESS USING THE SAME - The present invention relates to a catalyst composition that includes a triphenylphosphine ligand, a monodentate phosphine ligand, a monodentate phosphine oxide ligand, and a transition metal catalyst, and a hydroformylation process using the same. In the hydroformylation process using the catalyst composition according to the present invention, the high catalytic activity can be obtained, and the selectivity (N/I selectivity) in respects to normal- or iso-aldehyde can be desirably controlled. | 12-23-2010 |
20110130595 | PROCESS FOR PREPARING C5 ALDEHYDE MIXTURES WITH A HIGH N-PENTANAL CONTENT - A process for preparing a C | 06-02-2011 |
20110201844 | CATALYST COMPOSITION FOR HYDROFORMYLATION AND METHOD FOR PRODUCING ALDEHYDE USING THE SAME - The present invention relates to a catalyst composition for hydroformylation and a method for preparing aldehydes using the same, wherein the catalyst composition for hydroformylation comprises: a triaryl phosphine ligand; a phosphine oxide or phosphine sulfide ligand having a specific chemical formula; and a transition metal catalyst. The catalyst composition provides high catalyst activity and stability and selectivity to normal aldehydes when used in the hydroformylation for preparing aldehydes from olefins. | 08-18-2011 |
20120029242 | HYDROFORMYLATION PROCESS WITH DOUBLY OPEN-ENDED BISPHOSPHITE LIGAND - A continuous hydroformylation process for producing at least one aldehyde product by utilizing a transition metal and a ligand mixture comprising an organopolyphosphite and an organomonophosphine, with improved stability of the organopolyphosphite ligand. The process involves reacting one or more olefinically-unsaturated compounds with carbon monoxide and hydrogen in the presence of an organopolyphosphite ligand and an organomonophosphine ligand, at least one of such ligands being bonded to a transition metal to form a transition metal-ligand complex hydroformylation catalyst. Surprisingly the addition of the organomonophosphine to a Rh/organopolyphosphite catalyst system did not result in a significant loss of reaction rate. | 02-02-2012 |
20120059195 | CATALYST COMPOSITION FOR HYDROFORMYLATION REACTION AND HYDROFORMYLATION PROCESS USING THE SAME - The present invention relates to a catalyst composition for hydroformylation reaction and a hydroformylation process using the same. In the hydroformylation process using the catalyst composition according to the present invention, increased catalytic stability and high catalytic activity can be obtained, and the selectivity of iso-aldehyde produced can be desirably controlled. | 03-08-2012 |
20120190894 | GAS PHASE HYDROFORMYLATION PROCESS - A gas phase catalytic hydroformylation process for producing at least one aldehyde product in the presence of a transition metal-ligand complex hydroformylation catalyst and water vapor. Surprisingly, catalyst activity can be sustained by having traces of water vapor in the feed stream. Additionally, additional ligand can be added to replace lost ligand to maintain activity. In addition, it has been found that treatment of the catalyst with a buffer can rejuvenate catalyst activity. | 07-26-2012 |
20130261344 | Mitigation of Fouling in Hydroformylation Processes by Water Addition - The extraction process for removing metal salts from an organic hydroformylation reaction fluid (“HRF”) prior to returning the HRF to a reaction zone of a hydroformylation process, the extraction process comprising the step of contacting the HRF with an aqueous buffer solution, is improved by contacting the HRF with water in addition to that present in the aqueous buffer solution, i.e., with added water. | 10-03-2013 |
20130274525 | METHOD OF SUPPLEMENTING THE CATALYST IN CONTINUOUS HYDROFORMYLATION - The present invention relates to a method of supplementing the catalyst in continuous hydroformylation during ongoing operation. | 10-17-2013 |
20130317256 | CATALYST COMPOSITIONS FOR HYDROFORMYLATION REACTION AND HYDROFORMYLATION PROCESS USING THE SAME - Disclosed are a catalyst composition for hydroformylation of olefin compounds, comprising a specific phosphine ligand and a transition metal catalyst, and a hydroformylation process using the same. Through a hydroformylation process using the catalyst composition according to the present invention, a suitable selectivity of iso-aldehyde can be maintained, catalyst stability can be improved, the amount of used ligand can be reduced and superior catalyst activity can be obtained. | 11-28-2013 |
20140005440 | RATE AND SELECTIVITY IMPROVEMENT IN HYDROFORMYLATION OF ALLYL ALCOHOL | 01-02-2014 |
20140081050 | SINGLE SOLVENT GAS EXPANDED HYDROFORMYLATION PROCESS - Allyl alcohol, particularly from biobased sources such as glycerol, is hydroformylated to products including 4-hydroxybutyraldehyde and 4-hydroxy-2-methylpropionaldehyde by forming a homogeneous reaction mixture including allyl alcohol, a rhodium-based hydroformylation catalyst and a near critical liquefiable petroleum gas or mixture of such gases, reacting the near critical liquefiable petroleum gas (or gas mixture)-expanded allyl alcohol substrate with carbon monoxide and with hydrogen in the presence of the catalyst, and recovering substantially all of the petroleum gas or gases overhead by reducing the pressure and degassing the product mixture. Dense propane is especially useful as a single inert solvent/diluent, and substantially no other solvent/diluent is needed. | 03-20-2014 |
20140249333 | Apparatus for Coproducting ISO Type Reaction Products and Alcohols From Olefins, and Method for Coproducting Them Using The Apparatus - The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced. | 09-04-2014 |
20140350305 | HYDROFORMYLATION PROCESS - Disclosed is an improved exothermic hydroformylation process having at least two reaction stages. Cooling is provided by externally cooling a stream of reaction mixture from one of the stages, dividing the cooled stream into at least two cooled reaction mixture streams; transferring one cooled reaction mixture stream back into the same reaction stage from which it was removed to cool the reaction mixture in that reaction stage; and transferring at least one cooled reaction mixture stream(s) into and through heat exchange means that cool a different reaction stage, and returning it to the same reaction stage from which it was removed. | 11-27-2014 |
20150299079 | CONTROL OF THE VISCOSITY OF REACTION SOLUTIONS IN HYDROFORMYLATION METHODS - The present invention relates to a method and a device for controlling the viscosity of reaction solutions in the hydroformylation of olefin-containing mixtures. | 10-22-2015 |
20150307430 | HYDROFORMYLATION PROCESS - A hydroformylation process that tolerates a high level of methanol in the feed. | 10-29-2015 |
20160052852 | METHOD FOR PRODUCING DIALDEHYDE - Provided is an industrially advantageous method for producing a dialdehyde having a production ratio of linear dialdehydes to branched dialdehydes of 80/20 to 90/10, with an amount of rhodium to be used that is lower than that in the related art. Specifically, provided is a method for producing a dialdehyde, including reacting a linear olefinic compound having each of an ethylenic double bond and an aldehyde group on each end of the molecule with carbon monoxide and hydrogen, in the presence of a rhodium catalyst comprised of a bisphosphite represented by General Formula (I) and a rhodium compound, in which the reaction pressure of a mixed gas formed of carbon monoxide and hydrogen is decreased as the reaction proceeds, wherein R represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, and W represents an alkylene group having 1 to 20 carbon atoms, a cycloalkylene group having 5 to 18 carbon atoms, or an alkylene-arylene group having 7 to 11 carbon atoms, and a rhodium compound. | 02-25-2016 |
20160068458 | Methods of Using Homogenous Rhodium Catalysts with N-Heterocyclic Carbene Ligands for the Hydroformylation of Olefins and Substituted Olefins - A method of using homogenous rhodium catalysts comprising N-heterocyclic carbene ligands for the hydroformylation of olefins and substituted olefins is provided. In some aspects, the methods provided herein relate to the hydroformylation of allyl alcohol to 4-hydroxybutaldehyde in the presence of a rhodium catalyst which contains one or more N-heterocyclic carbene ligands of the formula: | 03-10-2016 |
20160068459 | IMMOBILIZED CATALYTICALLY ACTIVE COMPOSITION FOR HYDROFORMYLATION OF OLEFIN-CONTAINING MIXTURES - A composition and the use of said composition as catalytically active composition in processes for synthesis of chemical compounds, especially the hydroformylation of olefinically unsaturated hydrocarbon mixtures. | 03-10-2016 |
20160158703 | MEMBRANE CASCADE WITH FALLING SEPARATION TEMPERATURE - The invention relates to a process for separating a composition of matter with the aid of a membrane cascade having at least two stages, in which a separation is effected in each stage at at least one membrane at a separation temperature set for the particular stage. The invention further relates to a corresponding membrane cascade, to the use of said membrane cascade for catalyst separation from homogeneously catalysed mixtures, and to a process for hydroformylation, in which the catalyst is separated by means of a membrane cascade. The problem addressed thereby is that of specifying a membrane-based process for separating compositions of matter, which has a minimum membrane area requirement and nevertheless fulfils the separation task and separation performance required. This problem is solved by the use of a membrane cascade with falling separation temperature. | 06-09-2016 |
20160194265 | HYDROFORMYLATION PROCESS | 07-07-2016 |
20160200655 | SUPPORTED COMPOSITION AND THE USE THEREOF IN METHODS FOR THE HYDROFORMYLATION OF UNSATURATED COMPOUNDS | 07-14-2016 |
20170233322 | HYDROFORMYLATION PROCESS | 08-17-2017 |
568455000 | Nitrogen containing material utilized | 6 |
20110144392 | HYDROFORMYLATION PROCESS USING A SYMMETRIC BISPHOSPHITE LIGAND FOR IMPROVED CONTROL OVER PRODUCT ISOMERS - A process for hydroformylating an α-olefin to produce two or more aldehydes comprising a normal aldehyde and one or more iso-aldehydes with a target molar ratio of the normal aldehyde to one or more iso-aldehydes in a selectable range from 3/1 to 60/1. The process uses a transition metal-ligand complex catalyst comprising a symmetric calixarene bisphosphite ligand. The target N/I ratio is selected by controlling carbon monoxide partial pressure. | 06-16-2011 |
20120253081 | Controlling the Normal:ISO Aldehyde Ratio in a Mixed Ligand Hydroformylation Process by Conrolling the Syngas Partial Pressure - A method of controlling a hydroformylation process for producing normal (N) and iso (I) aldehydes at a N:I ratio, the process comprising contacting an olefinically unsaturated compound, e.g., propylene, with synthesis gas and a catalyst comprising a transition metal, e.g., rhodium, and an organopolyphosphite and an organomonophosphite ligand, the contacting conducted at hydroformylation conditions comprising a synthesis gas partial pressure, the method comprising increasing the synthesis gas partial pressure in the first reaction zone to decrease the N:I ratio or decreasing the synthesis gas partial pressure in the first reaction zone to increase the N:I ratio. | 10-04-2012 |
20120259142 | Controlling the Normal:ISO Aldehyde Ratio in a Mixed Ligand Hydroformylation Process - A method of controlling an in-series, multiple, e.g., two, reaction zone, hydroformylation process for producing normal (N) and iso (I) aldehydes at a N:I ratio, the process comprising contacting an olefinically unsaturated compound with synthesis gas and a catalyst comprising (A) a transition metal, e.g., rhodium, (B) an organobisphosphite ligand, and (C) an organomonophosphite ligand, the contacting conducted in first and subsequent reaction zone(s) and at hydroformylation conditions comprising a transition metal concentration in each zone, the method comprising decreasing the transition metal concentration in the first reaction zone to decrease the N:I ratio or increasing the transition metal concentration in the first reaction zone to increase the N:I ratio. | 10-11-2012 |
20130289313 | USE OF SUPPORTED IONIC LIQUID PHASE (SILP) CATALYST SYSTEMS IN THE HYDROFORMYLATION OF OLEFIN-CONTAINING MIXTURES TO ALDEHYDE MIXTURES WITH A HIGH CONTENT OF ALDEHYDES UNBRANCHED IN THE 2 POSITION - The present invention provides a composition comprising: a) an inert porous support material, b) an ionic liquid, c) a metal selected from group 9 of the Periodic Table of the Elements, d) a phosphorus-containing organic ligand, e) at least one organic amine. The present invention further provides a process for hydroformylating olefin-containing hydrocarbon mixtures to aldehydes with addition of the inventive composition as a catalytically active composition, wherein: a) the water content of the olefin-containing hydrocarbon mixture is adjusted to not more than 20 ppm, b) the content of polyunsaturated compounds in the olefin-containing hydrocarbon mixture is adjusted to not more than 3000 ppm, c) a molar ratio of organic amines according to claims | 10-31-2013 |
20130324766 | CATALYSTS AND PROCESS FOR PRODUCING ALDEHYDES - Modification of a unique supramolecular assembly of a pyridylphosphine ligand and a metal centered porphyrin complex is shown to give unprecedented selectivities to branched aldehydes via rhodium catalyzed hydroformylation of propylene and 1-octene. Use of magnesium in the porphyrin center provides the highest reported concentrations of iso-butyraldehyde and 2-methyl-octanal. | 12-05-2013 |
20130324767 | CATALYSTS AND PROCESSES FOR PREPARING ALDEHYDES - Use of a unique supramolecular assembly of a pyridylphosphine ligand and a metal centered porphyrin complex is shown to give unprecedented selectivities to branched aldehydes via rhodium catalyzed hydroformylation of unsubstituted linear alpha-olefins such as propylene and 1-octene. Increasing the syngas pressure is shown to have a beneficial effect on branched aldehyde selectivity as is increasing the ratio of carbon monoxide to hydrogen used in the hydroformylation reaction. | 12-05-2013 |
568456000 | Metal or metal containing compound filtered, precipitated, or deposited | 2 |
20110160490 | Hydroformylation Process Including Catalyst Recycle - An improved hydroformylation catalyst cycle is disclosed wherein the cobalt catalyst is recycled to the hydroformylation reaction mainly as a water soluble carbonyl salt, obtained from extraction of the acidic form of the homogeneous cobalt carbonyl catalyst from the hydroformylation product with an aqueous solution of a salt of a weaker acid. The organic product after extraction is submitted to a further demetalling step in the presence of a dilute acid and an oxidant. The water from this further demetalling step is suitable for use in the upstream extraction step. A free water phase present in the hydroformylation reaction product may be separated upstream from the extraction step and is suitable for use in the further demetalling step, such that the catalyst cycle has no waste water stream. | 06-30-2011 |
20110269997 | Process of Controlling Heavies in a Recycle Catalyst Stream - A process of controlling heavies in a recycle catalyst stream, particularly, for use in a continuous hydroformylation process of converting an olefin with synthesis gas in the presence of a hydroformylation catalyst to form an aldehyde product stream with subsequent separation of the catalyst for recycle to the hydroformylation step. Heavies are controlled, and preferably reduced, by means of feeding a recycle gas stream, taken as a portion of an over-head stream from a condenser, back to a vaporizer wherein the aldehyde product stream is separated. | 11-03-2011 |