Patent application number | Description | Published |
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 |
20110282108 | APPARATUS FOR PRODUCING ALCOHOLS FROM OLEFINS - The present invention relates to an apparatus for producing alcohols from olefins, comprising: a hydroformylation reactor wherein aldehydes are produced from olefins; a catalyst/aldehydes separator; a hydrogenation reactor wherein the aldehydes are hydrogenated to produce alcohols; and a distillation column. The hydroformylation reactor is equipped with a distributor plate, which has a broad contact surface for providing sufficient reaction area for reactants such as olefins and synthesis gas, and allows the reaction mixture to circulate and mix sufficiently, which contribute to excellent efficiency in terms of production of aldehydes. In addition, the hydrogenation reactor suppresses sub-reactions to improve the production yield of alcohols. | 11-17-2011 |
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 |
20130316893 | METHOD FOR REGENERATING AND HYDROGENATION CATALYST - Disclosed is a method for regenerating a hydrogenation catalyst. More specifically, disclosed is a method for regenerating a hydrogenation catalyst poisoned during hydrogenation of a hydroformylation product for preparation of alcohol by stopping hydrogenation in a hydrogenation stationary phase reactor in which the hydrogenation catalyst is set and flowing hydrogen gas under a high temperature normal pressure. The method has an effect in that the poisoned hydrogenation catalyst can be efficiently recovered through a simple process. | 11-28-2013 |
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 |
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 |
20140051893 | APPARATUS FOR PRODUCING ALCOHOLS FROM OLEFINS - The present invention relates to an apparatus for producing alcohols from olefins, comprising: a hydroformylation reactor wherein aldehydes are produced from olefins; a catalyst/aldehydes separator; a hydrogenation reactor wherein the aldehydes are hydrogenated to produce alcohols; and a distillation column. The hydroformylation reactor is equipped with a distributor plate, which has a broad contact surface for providing sufficient reaction area for reactants such as olefins and synthesis gas, and allows the reaction mixture to circulate and mix sufficiently, which contribute to excellent efficiency in terms of production of aldehydes. In addition, the hydrogenation reactor suppresses sub-reactions to improve the production yield of alcohols. | 02-20-2014 |
20140135533 | HYDROFORMYLATION METHOD HAVING IMPROVED CATALYST STABILITY IN REACTION - Disclosed is a hydroformylation method having improved catalyst stability in a reaction. Advantageously, provided is a hydroformylation method in which a specific α,β-unsaturated carbonyl compound is incorporated during a hydroformylation reaction to prevent alkyl phosphite decomposed from a phosphite ligand from acting as a catalyst poison, thereby improving a yield of reaction and inhibiting decomposition of ligand and catalyst. | 05-15-2014 |
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 |
20140350307 | APPARATUS AND METHOD FOR PREPARING ALCOHOL FROM OLEFIN - Disclosed are an apparatus and method for preparing alcohol from olefin. A reactor for hydroformylating olefin comprises a loop reactor for reducing high-boiling point components, a post-treatment device for separating aldehyde comprises a catalyst/aldehyde separator and a divided wall column (DWC) for removing remaining high-boiling point components, and a post-treatment device for separating alcohol comprises a divided wall column (DWC) for removing remaining high-boiling point components. The apparatus and method for preparing alcohol reduce production of high-boiling point components in the preparation of alcohols and efficiently remove remaining high-boiling point components, thus obtaining alcohol containing no high-boiling point components. | 11-27-2014 |
20150007750 | ESTER PLASTICIZER COMPOSITION - Disclosed is an ester plasticizer composition, as a plasticizer composition, which comprises a hybrid alkyl-substituted terephthalate compound and a non-hybrid alkyl-substituted terephthalate compound as active ingredients, improves workability due to high absorption speed for the resins and short melting time, and thus may imparts a uniform foaming property upon being applied to wallpaper formulation. | 01-08-2015 |
20150025185 | PLASTICIZER COMPOSITION - Disclosed is a plasticizer composition which comprises an ester-based plasticizer and an ether compound and exhibits improved workability and heat loss in proportion to content of the ether compound. | 01-22-2015 |