-
公开(公告)号:NO20003618L
公开(公告)日:2001-01-17
申请号:NO20003618
申请日:2000-07-14
Applicant: DEGUSSA , FRAUNHOFER GES FORSCHUNG
Inventor: OSTGARD DANIEL , PANSTER PETER , REHREN CLAUS , BERWEILER MONIKA , STEPHANI GUENTER , SCHNEIDER LOTHAR
IPC: B01J23/72 , B01J23/75 , B01J35/02 , B01J23/755 , B01J23/86 , B01J25/02 , B01J35/08 , B01J37/00 , B01J37/02 , B22F1/00 , C07B61/00 , C07C209/36 , C07C211/46 , B01J25/00
Abstract: Metal catalysts consist of hollow molds. An Independent claim is also included for the production of metal catalysts comprising spraying metal powders together with a binder onto molds made of combustible material, i.e. polystyrene, and calcining the material forming the hollow mold. Preferred Features: The catalysts comprise hollow spheres having a diameter of 0.5-20 mm and a wall thickness of 0.1-5 mm. The catalysts have an impermeable casing having an open porosity of maximum 80% and made up of different layers.
-
公开(公告)号:ID26460A
公开(公告)日:2001-01-11
申请号:ID20000534
申请日:2000-06-29
Applicant: DEGUSSA
Inventor: OSTGARD DANIEL , FREUND ANDREAS , REHREN CLAUS , BERWEILER MONIKA , STEPHANI GUNTER
IPC: B01J35/02 , B01J25/00 , B01J25/02 , B01J37/00 , C07B61/00 , C07C209/36 , C07C211/46
Abstract: A fixed bed catalyst of the Raney-type is produced from metal alloying fibers and/or flakes formed according to a crucible metal extraction process, and then tabletting, and pressing into mats and/or filling into cartridges.
-
公开(公告)号:CA2313660A1
公开(公告)日:2001-01-07
申请号:CA2313660
申请日:2000-07-06
Applicant: DEGUSSA
Inventor: BERWEILER MONIKA , REHREN CLAUS , FREUND ANDREAS , OSTGARD DANIEL , STEPHANI GUNTER
IPC: B01J35/02 , B01J25/00 , B01J25/02 , B01J37/00 , C07B61/00 , C07C209/36 , C07C211/46
Abstract: Fixed-bed Raney-type catalysts are made from metal alloy fibers and/or flakes fabricated according to the crucible metal extraction method and than tablated, pressed in mats and/or loaded into a cartridge. The catalysts are used for the hyrogenation, dehydrogenation, isomerisation, reductive alkylation, reductive amination, and/or hydration of organic compounds.
-
公开(公告)号:BR9809686A
公开(公告)日:2000-07-11
申请号:BR9809686
申请日:1998-04-27
Applicant: DEGUSSA
Inventor: FREUND ANDREAS , BERWEILER MONIKA , BENDER BARBARA , KEMPF BERND
IPC: B01J25/00 , B01J35/10 , B01J37/00 , C07B31/00 , C07B41/02 , C07B43/04 , C07B61/00 , C07C29/145 , C07C31/10 , C07C209/36 , C07C211/46
Abstract: A shaped, activated metal, fixed-bed catalyst with a pore volume of 0.05 to 1 ml/g and an outer activated layer consisting of a sintered, finely-divided, catalyst alloy and optionally promoters. The catalyst alloy has metallurgical phase domains, resulting from the method of preparation of the alloy, in which the largest phase by volume has a specific interface density of more than 0.5 mum-1.
-
公开(公告)号:DE19721898A1
公开(公告)日:1998-12-03
申请号:DE19721898
申请日:1997-05-26
Applicant: DEGUSSA
Inventor: FREUND ANDREAS DR , BERWEILER MONIKA , BENDER BARBARA , KEMPF BERND DR
IPC: B01J25/00 , B01J35/10 , B01J37/00 , C07B31/00 , C07B41/02 , C07B43/04 , C07B61/00 , C07C29/145 , C07C31/10 , C07C209/36 , C07C211/46 , B01J25/02
Abstract: The invention relates to a moulded, activated metallic fixed-bed catalyst having a pore volume of 0.05-1 ml/g and an outer, activated shell consisting of a sintered, small-particle catalyst alloy as well as optional catalyst promoters. The catalyst alloy has metallurgical phase domains resulting from the production of the alloy. The phase with the greatest volume has a specific interfacial density of more than 0.5 mu m .
-
公开(公告)号:AR109612A1
公开(公告)日:2018-12-26
申请号:ARP170102718
申请日:2017-09-29
Applicant: EVONIK DEGUSSA GMBH
Inventor: DR POSS REN , DR SCHWARZ MATTHIAS , DR ROOS MEIKE , GTTLINGER MARKUS , BERWEILER MONIKA
IPC: B01J23/755 , B01J25/02 , B01J35/00 , B01J37/00
Abstract: Se refiere a un proceso para preparar 1,4-butanodiol (BDO) por hidrogenación de 2-butino-1,4-diol (BYD) o 4-hidroxibutanal (4-HBA) en presencia de un catalizador del tipo Raney que tiene una estructura espumada porosa, en donde los poros macroscópicos tienen tamaños en el rango de 100 a 5000 mm, y una densidad aparente de hasta 0,8 kg/L.
-
公开(公告)号:DE102017202404A1
公开(公告)日:2018-08-16
申请号:DE102017202404
申请日:2017-02-15
Applicant: EVONIK DEGUSSA GMBH
Inventor: RÜFER ALEXANDER MARTIN , RITTSTEIGER ANNE , POSS RENÉ , ROOS MEIKE , RÖDER STEFAN , BERWEILER MONIKA
IPC: C07C211/17 , B01J21/02 , B01J23/75 , B01J23/755 , B01J23/85
Abstract: Vorliegende Erfindung betrifft ein verbessertes Verfahren zur Herstellung von 3-(Aminomethyl)-3,5,5-trimethylcyclohexanol, im folgenden Isophoronaminoalkohol (IPAA) genannt.
-
公开(公告)号:BRPI0721717A2
公开(公告)日:2013-02-13
申请号:BRPI0721717
申请日:2007-05-29
Applicant: EVONIK DEGUSSA GMBH
Inventor: OSTGARD DANIEL , BERWEILER MONIKA , GOETTLINGER MARKUS , LAPORTE STEFFEN , SCHWARZ MATTHIAS
IPC: B01J25/02 , B01J35/02 , C07C209/36 , C07C211/46 , C07C211/50
Abstract: Nitro-compounds are hydrogenated with an activated Ni catalyst that has an average particle size (APS) less than 25 μm and is doped with one or more elements from the list of Mg, Ce, Ti, V, Nb, Cr, W, Mn, Re, Fe, Ru, Co, Rh, Ir, Pt, Cu, Ag, Au and Bi via its/their addition to the alloy before activation and/or doped with one or more elements from the list of Mg, Ce, Ti, V, Nb, Cr, W, Mn, Re, Fe, Ru, Co, Rh, Ir, Ni, Cu, Ag, Au and Bi by their adsorption onto the surface of the activated catalyst. This invention also includes the hydrogenation of nitro-compounds with an activated Ni catalyst that has and APS less than 20 μm and is doped with one or more elements from the list of Mg, Ce, Ti, V, Nb, Cr, W, Mn, Re, Fe, Ru, Co, Rh, Tr, Pt, Pd, Mo, Cu, Ag, Au and Bi via its/their addition to the alloy before activation and/or doped with one or more elements from the list of Mg, Ce, Ti, V, Nb, Cr, W, Mn, Re, Fe, Ru, Co, Rh, Ir, Ni, Cu, Pd, Pt, Mo, Ag, Au and Bi by their adsorption onto the surface of the activated catalyst.
-
公开(公告)号:AT490817T
公开(公告)日:2010-12-15
申请号:AT01101897
申请日:2001-01-27
Applicant: EVONIK DEGUSSA GMBH
Inventor: OSTGARD DANIEL , BERWEILER MONIKA , SEELBACH KARSTEN
IPC: B01J25/02 , B01J25/00 , B01J35/02 , B01J35/08 , B01J37/00 , B01J37/02 , B01J37/08 , C07B61/00 , C07C45/00 , C07C51/00 , C07C51/295 , C07C227/02 , C07C229/16
Abstract: A fixed bed Raney copper catalyst, which is doped with iron, noble metals or other metals, is employed as the fixed bed catalyst in the fixed bed dehydrogenation of alcohols.
-
公开(公告)号:BRPI0419178A
公开(公告)日:2008-01-29
申请号:BRPI0419178
申请日:2004-11-12
Applicant: DEGUSSA
Inventor: OSTGARD DANIEL , DUPREZ VIRGINIE , OLINDO ROBERTA , ROEDER STEFAN , BERWEILER MONIKA
Abstract: Process for modifying catalysts via the deposition of carbon containing residues in the presence of one or more solvents, where the gas phase over the catalyst treatment solution during the treatment is air or an inert gas, and/or the liquid phase contains a templating agent and/or base. The modified catalyst can be used for stereo-, chemo- and regioselective transformations of organic compounds.
-
-
-
-
-
-
-
-
-