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公开(公告)号:JPH02187150A
公开(公告)日:1990-07-23
申请号:JP29778189
申请日:1989-11-17
Applicant: WACKER CHEMIE GMBH , DEGUSSA
Inventor: STRASSER RUDOLF , SCHMIDHAMMER LUDWIG , DELLER KLAUS , KRAUSE HELMFRIED
IPC: B01J35/04 , B01J12/00 , B01J19/24 , C07B39/00 , C07B61/00 , C07C17/15 , C07C17/156 , C07C19/045
Abstract: PURPOSE: To accelerate selective chlorination reaction and oxychlorination reaction by depositing a catalyst material on a monolithic carrier which has lots of passages arranged parallel to the axial line in the longitudinal axial direction with both ends open and which has the length corresponding to the diameter of the passages. CONSTITUTION: This catalyst for chlorination of hydrocarbons is produced by carrying a catalyst material directly or through a coating layer which accelerates the catalytic effect on a monolithic carrier. The carrier has passages arranged parallel to the axial line in the longitudinal direction with both ends open and has the length at least corresponding to the diameter of the passages. By filling a tubular reactor with the catalyst above described, chlorinated hydrocarbons can be produced by the selective chlorination and/or oxychlorination reaction. In this method, the catalyst is preferably arranged in plural blocks succeeding to each other in the tube of the tubular reactor.
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公开(公告)号:JP2000086335A
公开(公告)日:2000-03-28
申请号:JP18081099
申请日:1999-06-25
Applicant: DEGUSSA
Inventor: TACKE THOMAS DR , SCHINKE PETER , ROTGERINK HANS LANSINK DR , KRAUSE HELMFRIED
IPC: C04B35/16 , B01J19/30 , B01J20/10 , B01J21/08 , B01J35/02 , C04B35/632 , C04B35/64 , C07C67/055 , C07C69/15
Abstract: PROBLEM TO BE SOLVED: To minimize the pressure drop, give the small bulk density and a relatively large outer surface area and permit improved mass transfer and heat transfer by forming stays or spokes extending from the inner wall of the hollow cylinder toward the center for strengthening the inside or forming a plurality of passageways. SOLUTION: The molded body of a wheel shape has an outer diameter d1 of 1-25 mm, the ratio of height to the outer diameter d1 of 0.2-5, the wall thickness [(d1-d2)×0.5] of 0.05-0.5×d1, the thickness of the stay or spoke d3 of 0.05-0.3×d1 and the number of the stays or spokes or the passageways of at least 3. The molded body is formed by kneading the base of silicon dioxide produced by thermal decomposition, forming the silicon dioxide by means of a single or twine screw extruder and strand-pressing formed silicon dioxide into a hollow cylinder in a wheel shape. Then, the strand-pressed produce is cut in a desired thickness and they are heat-treated at 400-1,200 deg.C for 30 minutes-10 hours. The molded body is allowed to carry a catalytically active component such as Pd/alkali/Au system or the like to give the objective supported catalyst that attains the high space time yield and the high selectivity in the production of vinyl acetate.
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公开(公告)号:WO0234390A3
公开(公告)日:2003-05-22
申请号:PCT/EP0110943
申请日:2001-09-21
Applicant: DEGUSSA
Inventor: LANSINK ROTGERINK HERMANUS GER , RIEDEMANN HEIKE , KRAUSE HELMFRIED
CPC classification number: B01J21/066 , B01J21/063 , B01J21/08 , B01J27/16 , B01J37/0009 , B01J37/0018
Abstract: A catalyst support consisting mainly of synthetic silica, with 0.5 - 10 parts by weight of one or more oxides or phosphates of the elements of group IIA, IIIB, IVB, VB, VIB, VIIB, VIII, IB, IIB, IIIA, IVA and the lanthanides characterised in that the support preparation method comprises mixing particulate synthetic silica with particulate oxides or phospates of the elements of Groups IIA, IIIB, IVB, VB, VIB, VIIB, VIII, IB, IIB, IIIA, IVA and the lanthanides, or with precursors thereof, a forming step and calcination. The catalyst support is used together with phosphoric acid in the production of alcohols from olefins by hydration.
Abstract translation: 主要由合成二氧化硅组成的催化剂载体,其具有0.5-10重量份的IIA,IIIB,IVB,VB,VIB,VIIB,VIII,IB,IIB,IIIA,IVA族元素的一种或多种氧化物或磷酸盐,以及 镧系元素的特征在于载体制备方法包括将颗粒状合成二氧化硅与IIA,IIIB,IVB,VB,VIB,VIIB,VIII,IB,IIB,IIIA,IVA族和镧系元素的元素的颗粒氧化物或磷酸盐混合,或 其前体,成型步骤和煅烧。 催化剂载体与磷酸一起用于通过水合由烯烃生产醇。
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公开(公告)号:JP2003225570A
公开(公告)日:2003-08-12
申请号:JP2002368207
申请日:2002-12-19
Applicant: DEGUSSA
Inventor: TACKE THOMAS DR , KRAUSE HELMFRIED , LANSINK ROTGERINK HERMANUS G J , CHEN BAOSHU , CARSON JASON
IPC: B01J31/28 , B01J21/08 , B01J23/58 , B01J23/60 , B01J23/66 , B01J35/02 , B01J35/10 , B01J37/02 , C07B61/00 , C07C67/055 , C07C69/15
Abstract: PROBLEM TO BE SOLVED: To produce a supported catalyst having higher catalytic activity than that of a known catalyst in the case of equal selectivity or improved selectivity. SOLUTION: In the case of the supported catalyst containing a mixture comprising palladium and/or its compound and an alkali metal compound, and additionally gold and/or its compound (system Pd/alkali metal/Au) or cadmium and/or its compound (system Pd/alkali metal/Cd) or barium and/or its compound (system Pd/alkali metal/Ba) or palladium, an alkali metal compound and gold and/or cadmium and/or barium, the catalyst on a carrier having a leakage passage is important, and an active component has an intrusion depth above 0.5-1.5 mm calculated from the surface area of a carrying material. COPYRIGHT: (C)2003,JPO
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公开(公告)号:JP2000095571A
公开(公告)日:2000-04-04
申请号:JP26905299
申请日:1999-09-22
Applicant: DEGUSSA
Inventor: KRAUSE HELMFRIED , LANSINK ROTGERINK HERMANUS G J , TACKE THOMAS DR , MANGOLD HELMUT , RIEDEMANN HEIKE , FUCHS MANFRED
IPC: C04B35/622 , B01J21/00 , B01J21/06 , B01J27/16 , B01J35/00 , B01J35/10 , B01J37/00 , C04B35/00 , C04B35/16 , C04B35/18 , C04B35/46 , C04B35/632
Abstract: PROBLEM TO BE SOLVED: To produce a formed material based on an oxide mixture produced by a pyrolysis method, methods for producing and using the same, a phosphoric acid catalyst and a method for using the same. SOLUTION: The oxide mixture produced by the pyrolysis method has an outer diameter of 0.8-25 mm, a BET surface area of 5-400 m2/g, a pore volume of 0.2-1.8 ml/g, a fracture strength of 5-350 N and a bulk density of 250-1,500 g/l and contains at least two kinds selected from the group consisting of SiO2, Al2O3, TiO2 and ZrO2 and the other components in an amount of
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公开(公告)号:JP2000093797A
公开(公告)日:2000-04-04
申请号:JP26905099
申请日:1999-09-22
Applicant: DEGUSSA
Inventor: TACKE THOMAS DR , KRAUSE HELMFRIED , LANSINK ROTGERINK HERMANUS G J , DALY FRANCIS , REISINGER MARTIN , MANGOLD HELMUT
IPC: B01J21/06 , B01J21/08 , B01J23/52 , B01J23/58 , B01J23/60 , B01J23/66 , B01J35/00 , B01J35/10 , B01J37/00 , C07B61/00 , C07C67/05 , C07C67/055 , C07C69/01 , C07C69/15
Abstract: PROBLEM TO BE SOLVED: To provide a supported catalyst with an activity which is the same as or higher than an already known catalyst on account of improved selectivity beyond the known level. SOLUTION: This supported catalyst for producing a vinyl monomer shows the physicochemical data of a carrier: 0.8-25 mm outside dia.; 5-400 m2/g BET surface area; 0.2-1.8 ml/g pore volume, 5-350 N breaking strength. In addition, the carrier is based on a mixed oxide prepared through the thermal decomposition of an arbitrary combination of at least, two kinds selected from the group of SiO2, Al2O3, TiO2 and ZrO2 excepting an SiO2-Al2O3 mixed oxide in which 75 wt.% or more SiO2 are present, 1 wt.% other components and 250-1500 g/L bulk density.
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公开(公告)号:JPH11268017A
公开(公告)日:1999-10-05
申请号:JP32224398
申请日:1998-11-12
Applicant: DEGUSSA
Inventor: KRAUSE HELMFRIED , ROTGERINK HERMANUS LANSINK DR , FEUER OLIVER , TACKE THOMAS DR , PANSTER PETER DR
IPC: B28B3/20 , B01J21/08 , B01J23/54 , B01J32/00 , B01J35/10 , B01J37/00 , B28B11/16 , C01B33/12 , C01B33/18 , C04B35/14 , C07B61/00 , C07C29/04 , C07C31/08 , C07C67/055 , C07C69/15
Abstract: PROBLEM TO BE SOLVED: To provide a press work product used as a catalyst or a catalyst carrier for manufacturing vinyl acetate monomers. SOLUTION: A press work product is composed of silicon dioxide produced by pyrolysis of 0.5-1.8 ml/g pore volume as a base, and water is added to silicon dioxide prepared by pyrolysis, and uniformized together with methylhydroxyethyl cellulose, wax and polyethylene glycol. A kneading process and a molding process are carried out and also extraction is carried out, and in some cases, an extruded material is cut into the desired length by using a cutting device, dried at 70-150 deg.C and thermally treated at 400-1200 deg.C within a time from 30 minutes to 10 hours.
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公开(公告)号:DE10247314A1
公开(公告)日:2004-06-03
申请号:DE10247314
申请日:2002-10-10
Applicant: DEGUSSA
IPC: B01J21/06 , B01J35/06 , B01J37/00 , C04B30/02 , C04B35/14 , C04B35/46 , C04B35/80 , C04B38/00 , C04B35/82
Abstract: Shaped products based on silica and/or titania contain glass fibers. An Independent claim is also included for a method of production of the above shaped products by mixing powdered silica and/or titania with glass fibers, hydroxypropyl methylcellulose, a wax emulsion or polyethylene glycol, a polysaccharide, polyethylene oxide and water, kneading, deforming and extruding the mixture, cutting the extrudate into lengths, drying at 70-150 degreesC, and calcining at 400-1200 degreesC for 0.5-10 hours.
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公开(公告)号:AT215845T
公开(公告)日:2002-04-15
申请号:AT99112026
申请日:1999-06-22
Applicant: DEGUSSA
Inventor: TACKE THOMAS DR , SCHINKE PETER , ROTGERINK HERMANUS LANSINK DR , KRAUSE HELMFRIED
IPC: C04B35/16 , B01J19/30 , B01J20/10 , B01J21/08 , B01J35/02 , C04B35/632 , C04B35/64 , C07C67/055 , C07C69/15
Abstract: Moldings based on silica having a hollow cylindrical configuration with internal reinforcing stays or spokes leading from an inner wall of a hollow cylinder to the center of the molding or in the form of miniliths having passageway channels therethrough, are produced by homogenizing silica with methyl hydroxyethyl cellulose, wax and/or polyethylene glycol. Water and optionally aqueous alkaline ammonia solution are added, and the mixture is subjected to kneading and forming, extruding, optionally cutting the extrudate to the desired length by means of a cutting device, drying at a temperature from 20 to 150° C., and annealing for a period from 30 minutes to 10 hours at a temperature of 400 to 1200° C. The moldings can be used as catalyst supports for the production of unsaturated esters from olefins, organic acids and oxygen in the gas phase and and can be used in particular for the production of vinyl acetate monomer.
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公开(公告)号:DE59900338D1
公开(公告)日:2001-11-29
申请号:DE59900338
申请日:1999-08-21
Applicant: DEGUSSA
Inventor: TACKE DR , KRAUSE HELMFRIED , LANSINK-ROTGERINK G J , DALY DR , REISINGER DR , MANGOLD DR
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