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公开(公告)号:JPH03221147A
公开(公告)日:1991-09-30
申请号:JP19934890
申请日:1990-07-30
Applicant: DEGUSSA
Inventor: BLUMRICH STEPHAN , BRAND REINHOLD , ENGLER BERND , HONNEN WOLFGANG , KOBERSTEIN EDGAR
Abstract: PURPOSE: To form a catalyst for purifying exhaust gases capable of selectively reducing nitrogen oxides by supporting specific amounts of oxides of Ti, Sn, Be or the like and oxides, sulfates or the like of Fe and V on a honeycomb carrier. CONSTITUTION: This catalyst for purifying exhaust gases is obtained by molding a honeycomb carrier consisting of about 2-70 wt.% of CeO2 and 0-20 wt.% of ZrO2 as well as optional iron oxides, alkaline earth metal oxides and/or aluminum oxide of the transition column containing rare earth metal oxides and then, supporting catalytic components of Pt and/or Pd, optionally Rh on the honeycomb carrier. The harmful substances such as nitrogen oxides, hydrocarbons, carbon monoxide, ammonia slip from denitrification and sulfur dioxide contained in the exhaust gases are purified by bringing the exhaust gases into contact with the catalyst mentioned above.
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公开(公告)号:ES2000102A4
公开(公告)日:1987-12-01
申请号:ES87100084
申请日:1987-01-07
Applicant: DEGUSSA-HULS AG , DEGUSSA
Inventor: ENGLER BERND , BRAND REINHOLD , KOBERSTEIN EDGAR , VOELKER HERBERT , KLEINE-MOLLHOFF PETER
Abstract: SE TRATA DE UN METODO PARA LIMPIAR GASES QUEMADOS DE OXIDOS DE NITROGENO Y DE SULFURO, PRODUCIDOS EN INSTALACIONES DE COMBUSTION Y PROCESOS INDUSTRIALES DE PRODUCCION MEDIANTE REDUCCION CATALITICA SELECTIVA DE OXIDOS DE NITROGENO CON AMONIACO Y OXIDACION CATALITICA SUBSIGUIENTE DE OXIDO SULFURICO CON OXIGENO Y TRANSFORMACION DEL ASI OBTENIDO TRIOXIDO SULFURICO EN ACIDO SULFURICO.
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公开(公告)号:ES2000109B3
公开(公告)日:1992-01-01
申请号:ES87101706
申请日:1987-02-07
Applicant: DEGUSSA
Inventor: BRAND REINHOLD , ENGLER BERND , KLEINE-MOLLHOFF PETER , KOBERSTEIN EDGAR
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公开(公告)号:CA1268318A
公开(公告)日:1990-05-01
申请号:CA527550
申请日:1987-01-16
Applicant: DEGUSSA
Inventor: BRAND REINHOLD , ENGLER BERND , KLEINE-MOLLHOFF PETER , KOBERSTEIN EDGAR , VOLKER HERBERT
Abstract: The present invention provides a process for purifying nitrogen-and-sulphur-oxides-containing flue gases from incinerators and industrial production processes by selective catalytic reduction of the nitric oxides with ammonia, subsequent catalytic oxidation of sulphur dioxide with oxygen and reaction of the sulphur trioxide obtained to sulphuric acid.
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公开(公告)号:ES2000116A4
公开(公告)日:1987-12-16
申请号:ES87100966
申请日:1987-01-23
Applicant: DEGUSSA
Inventor: ENGLER BERND , BRAND REINHOLD , KOBERSTEIN EDGAR DR , KLEINE-MOLLHOFF PETER
Abstract: EL INVENTO SE REFIERE A UN DISPOSITIVO PARA EL APOYO DE CATALIZADORES DE ESTADO SOLIDO DE CERAMICA, ESPECIALMENTE DE SECCION TRANSVERSAL CUADRATICA, ASI COMO PARA REUNIR VARIOS DE ESTOS CATALIZADORES PARA FORMAR UN PAQUETE. EL DISPOSITIVO ESTA COMPUESTO DE UN MANGUITO ELASTICO (2), FIJADO EN UNO O DOS DE LOS EXTREMOS DEL CATALIZADOR DE ESTADO SOLIDO Y DE UN BASTIDOR METALICO (3) QUE VIENE FIJADO BAJO PRESION SOBRE EL MANGUITO (2). EN DOS DE SUS SUPERFICIES LATERALES, EL BASTIDOR (3) DISPONE DE ESCOTES Y/O ACANALADURAS REBOTADORAS (4) Y EN LAS DOS SUPERFICIES CONTIGUAS RESTANTES DISPONE DE RESALTES (5) QUE PUEDEN ENGRANAR DE UNION POSITIVA EN LOS ESCOTES Y/O ACANALADURAS (4) DE OTROS BASTIDORES CONTIGUOS (3).
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公开(公告)号:BR9505527A
公开(公告)日:1997-10-28
申请号:BR9505527
申请日:1995-11-27
Applicant: DEGUSSA
Inventor: ROTGERINK HANS LANSINK , TACKE THOMAS , BRAND REINHOLD , PANSTER PETER
Abstract: A catalyst for dehydrogenation of 6-15C paraffins contains (a) an inorganic support, (b) 0.01-5% of a Pt gp. metal, (c) 0.01-5% of Sn, Ge and/or Pb as promoter, and (d) 0.01-20% of an alkaline earth metal as modifier.
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公开(公告)号:DD296854A5
公开(公告)日:1991-12-19
申请号:DD33819390
申请日:1990-02-27
Applicant: DEGUSSA
Inventor: BRAND REINHOLD , ENGLER BERND , HONNEN WOLFGANG , KOBERSTEIN EDGAR , OHMER JOHANNES
IPC: B01J23/84 , B01D53/92 , B01D53/94 , B01J21/06 , B01J23/00 , B01J23/20 , B01J23/22 , B01J23/30 , B01J23/76 , B01J23/85 , B01J27/18 , B01J27/19 , B01J27/199 , B01J35/10 , B01J37/00 , B01J37/04
Abstract: A catalyst for the selective reduction of nitrogen oxides by means of ammonia contains, in addition to titanium oxide as component A), at least one oxide selected from the group comprising W, Si, B, Al, P, Zr, Ba, Y, La and Ce and at least one oxide selected from the group comprising V, Nb, Mo, Fe and Cu as component B), the atomic ratio between the elements of the components A) and B) being 1 : 0.001 to 1. The catalyst is obtainable by kneading reactive titanium oxide of high specific surface area comprising predominantly anatase with the substances comprising component B) or their precursors with the addition of processing agents to give a homogeneous kneaded mass, extruding this, drying the extrudate and calcination in air at 300 - 800 DEG C.
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公开(公告)号:ZA9100899B
公开(公告)日:1991-11-27
申请号:ZA9100899
申请日:1991-02-06
Applicant: DEGUSSA
Inventor: BRAND REINHOLD , REINHOLD BRAND , FOERSTER MARTIN , MARTIN FOERSTER , KLEINSCHMIT PETER , PETER KLEINSCHMIT , OHMER JOHANNES , JOHANNES OHMER , ENGLER BERND , BERND ENGLER , HARTMANN WERNER , WERNER HARTMANN , KOBERSTEIN EDGAR , EDGAR KOBERSTEIN , SCHWARZ RUDOLF , RUDOLF SCHWARZ
CPC classification number: B01J21/063 , B01J35/1014 , B01J35/1038 , B01J35/1052 , B01J35/1061 , B01J37/0009 , C04B35/46
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公开(公告)号:DE3929297A1
公开(公告)日:1991-01-31
申请号:DE3929297
申请日:1989-09-04
Applicant: DEGUSSA
Inventor: BLUMRICH STEPHAN , BRAND REINHOLD , ENGLER BERND , HONNEN WOLFGANG , KOBERSTEIN EDGAR
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公开(公告)号:DK628589A
公开(公告)日:1990-06-15
申请号:DK628589
申请日:1989-12-13
Applicant: DEGUSSA
Inventor: BAACKE MICHAEL , BRAND REINHOLD , ENGLER BERND , KISS AKOS , KLEINE-MOELLHOFF PETER , KLEINSCHMIT PETER , KOBERSTEIN EDGAR , SIRAY MUSTAFA
IPC: B01D53/86 , B01D53/56 , B01D53/94 , B01J29/18 , B01J29/20 , B01J29/24 , B01J29/26 , B01D53/36 , B01J29/14
Abstract: A zeolite catalyst and a method for reduction of nitrogen oxides present in waste gas streams is described. The method includes mixing the waste gas containing nitrogen oxides with ammonia. At an elevated temperature, this mixture is passed over a zeolite catalyst. Preferably, the zeolite catalyst is in a monolithic or honeycomb form. The zeolite catalyst includes one or more of the following subgroup metals: copper, iron, molybdeum and cerium. The zeolite catalysts made in accordance with this invention show better conversion of nitrogen oxides and longer life than known catalysts.
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