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公开(公告)号：DE3761876D1
公开(公告)日：1990-04-19
申请号：DE3761876
申请日：1987-01-07
Applicant: DEGUSSA
Inventor： BRAND REINHOLD DR , ENGLER BERND DR , KLEINE-MOELLHOFF PETER , KOBERSTEIN EDGAR DR , VOELKER HERBERT
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公开(公告)号：DE3740289A1
公开(公告)日：1989-06-08
申请号：DE3740289
申请日：1987-11-27
Applicant: DEGUSSA
Inventor： BRAND REINHOLD DR , ENGLER BERND H DR , HONNEN WOLFGANG DR , KLEINE-MOELLHOFF PETER , KOBERSTEIN EDGAR DR
Abstract: A catalyst for the selective reduction with ammonia of nitrogen oxides from an intimate mixture of at least 3 metals in the form of their oxides, namely, titanium, tungsten and at least one of the metals vanadium, iron, niobium, molybdenum, with an atomic ratio of Ti to the other metals of 1:0.001 to 1, wherein there is used as oxide of the titanium a product obtained by flame hydrolysis, which product is impregnated with solutions of the salts of the other metals and is dried and calcined at a high temperature.
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公开(公告)号：DE3601378A1
公开(公告)日：1987-07-23
申请号：DE3601378
申请日：1986-01-18
Applicant: DEGUSSA
Inventor： BRAND REINHOLD DR , ENGLER BERND DR , KLEINE-MOELLHOFF PETER , KOBERSTEIN EDGAR DR , VOELKER HERBERT
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公开(公告)号：CA1325418C
公开(公告)日：1993-12-21
申请号：CA584228
申请日：1988-11-25
Applicant: DEGUSSA
Inventor： BRAND REINHOLD , ENGLER H BERND , HONNEN WOLFGANG , KLEINE-MOELLHOFF PETER , KOBERSTEIN EDGAR
Abstract: A catalyst for the selective reduction of nitric oxide with ammonia from an intimate mixture of at least three metals in the form of their oxides, namely, titanium, tungsten and at least one of vanadium, iron, niobium, molybdenum in an atomic ratio of Ti to the other metals of 1:0.001 to 1. A special product obtainable by flame hydrolysis is used as oxide of titanium which is impregnated with solutions of the salts of the other metals, dried at elevated temperature and calcined.
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公开(公告)号：DD290816A5
公开(公告)日：1991-06-13
申请号：DD33555889
申请日：1989-12-12
Applicant: DEGUSSA
Inventor： BAACKE MICHAEL , BRAND REINHOLD , ENGLER BERND , KISS AKOS , KLEINE-MOELLHOFF PETER , KLEINSCHMITT PETER , KOBERSTEIN EDGAR , SIRAY MUSTAFA
IPC: B01D53/86 , B01D53/56 , B01D53/94 , B01J29/18 , B01J29/20 , B01J29/24 , B01J29/26 , B01D53/34 , B01J29/04
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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Patent Agency Ranking
公开(公告)号：DD283569A5
公开(公告)日：1990-10-17
申请号：DD32221288
申请日：1988-11-25
Applicant: DEGUSSA
Inventor： BRAND REINHOLD , ENGLER BERND H , HONNEN WOLFGANG , KLEINE-MOELLHOFF PETER , KOBERSTEIN EDGAR
Abstract: A catalyst for the selective reduction with ammonia of nitrogen oxides from an intimate mixture of at least 3 metals in the form of their oxides, namely, titanium, tungsten and at least one of the metals vanadium, iron, niobium, molybdenum, with an atomic ratio of Ti to the other metals of 1:0.001 to 1, wherein there is used as oxide of the titanium a product obtained by flame hydrolysis, which product is impregnated with solutions of the salts of the other metals and is dried and calcined at a high temperature.
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公开(公告)号：DK628589D0
公开(公告)日：1989-12-13
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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公开(公告)号：GR3002139T3
公开(公告)日：1992-12-30
申请号：GR910400814
申请日：1991-06-13
Applicant: DEGUSSA
Inventor： BRAND REINHOLD DR , ENGLER BERND DR , KLEINE-MOELLHOFF PETER , KOBERSTEIN EDGAR DR
Abstract: A device for the containment of ceramic catalyst monoliths particularly of four cornered cross sectional area as well as for the combination of a plurality thereof into a package. The device includes elastic gaskets arranged on one of the ends of the monoliths and partitions for the form fitting containment of the elements into a cassette.
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公开(公告)号：AT72521T
公开(公告)日：1992-02-15
申请号：AT88119000
申请日：1988-11-15
Applicant: DEGUSSA
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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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