Patent application number | Description | Published |
20090216050 | PROCESS FOR THE PREPARATION OF 1,2-PROPANEDIOL - The present invention relates to a process for the preparation of 1,2-propanediol, in which a glycerol-containing stream, in particular a stream obtained on an industrial scale in the production of biodiesel, is subjected to a hydrogenation. | 08-27-2009 |
20100240934 | METHOD FOR PRODUCING 1,2-PROPANDIOL BY HYDROGENATING GLYCERINE IN A TWO-STEP REACTOR CASCADE - The present invention relates to a process for preparing 1,2-propanediol, in which a glycerol-containing stream, especially a stream obtained on the industrial scale in the production of biodiesel, is subjected to a hydrogenation in a two-stage reactor cascade. | 09-23-2010 |
20110118487 | PROCESS FOR MAKING ETHYLENE OXIDE - This invention relates to a process, comprising reacting ethylene and oxygen or a source of oxygen in the presence of a catalyst in a reactor to form a product comprising ethylene oxide, wherein the catalyst contains silver or silver compound and a support and the catalyst is in the form of particulate solids having a mean particle diameter from 1 to 1000 μm and wherein the molar ratio of oxygen to ethylene is from 1:4 to 10:1. | 05-19-2011 |
20110282107 | METHOD FOR PRODUCING DEODORIZED 1,2-PROPANEDIOL - The present invention relates to a process for preparing deodorized 1,2-propanediol, to the use of the purified propanediol and to an apparatus for performing the process. | 11-17-2011 |
20110283885 | PROCESS FOR REMOVING CARBON DIOXIDE (C02) FROM A CYCLE GAS SYSTEM - A process for removing carbon dioxide (CO | 11-24-2011 |
20120065412 | SYSTEM AND PROCESS FOR PRODUCING HIGHER-VALUE HYDROCARBONS FROM METHANE - The present invention relates to a process for producing hydrocarbons from methane, which comprises, in a first stage (i), reacting methane to form ethylene and, in a later stage (ii), reacting the product mixture obtained in stage (i) which comprises ethylene and methane to give higher-value hydrocarbons. | 03-15-2012 |
20120077998 | USE OF STRUCTURED CATALYST BEDS FOR PREPARING ETHYLENE OXIDE - The present invention relates to a process for preparing ethylene oxide by reaction of ethylene with oxygen in the presence of at least one silver-comprising catalyst, wherein the reaction takes place in a reactor which has a catalyst packed bed having at least two zones (i) and (ii) and the silver content of the catalyst in zone (i) is lower than the silver content of the catalyst in zone (ii). The catalyst packed bed preferably has a further zone (a) with which the reaction mixture comes into contact before the zones (i) and (ii). According to the invention, the silver content of the catalyst in the zone (a) is higher than the silver content of the catalyst in zone (i). | 03-29-2012 |
20120085106 | PROCESS FOR HEAT INTEGRATION BY MEANS OF A REFRIGERATION SYSTEM - A process for heat integration in engineering processes in which, in a heat carrier circuit ( | 04-12-2012 |
20120209024 | PROCESS FOR COPRODUCING DI- AND/OR POLYISOCYANATES AND GLYCOLS - A process for coproducing di- and/or polyisocyanates and glycols, comprising process stages A, B, C and E for preparing glycols and process stages A, C, D, E, F and G for preparing di- and/or polyisocyanates, | 08-16-2012 |
20140343329 | PROCESS FOR PREPARING DEODORIZED 1,2-PROPANEDIOL - The present invention relates to a process for preparing deodorized 1,2-propanediol, to the use of the purified propanediol and to an apparatus for performing the process. | 11-20-2014 |