DE3543858C2 - - Google Patents

Info

Publication number
DE3543858C2
DE3543858C2 DE3543858A DE3543858A DE3543858C2 DE 3543858 C2 DE3543858 C2 DE 3543858C2 DE 3543858 A DE3543858 A DE 3543858A DE 3543858 A DE3543858 A DE 3543858A DE 3543858 C2 DE3543858 C2 DE 3543858C2
Authority
DE
Germany
Prior art keywords
iron ore
catalyst
temperature
exhaust gases
ammonia
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3543858A
Other languages
German (de)
English (en)
Other versions
DE3543858A1 (de
Inventor
Claus Prof. Dr.-Ing. Flockenhaus
Erich 4300 Essen De Hackler
Karl-Heinz 4320 Hattingen De Laue
Klaus 4300 Essen De Merkel
Arnold 4250 Bottrop De Max
Werner 4281 Raesfeld De Stender
Johann 4100 Duisburg De Jansen
Hartmut 6200 Wiesbaden De Kainer
Daniel 6229 Schlangenbad De Grimm
Blagoje Dr. 6200 Wiesbaden De Levkov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Didier Engineering GmbH
Didier Werke AG
Original Assignee
Didier Engineering GmbH
Didier Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE19853543858 priority Critical patent/DE3543858A1/de
Application filed by Didier Engineering GmbH, Didier Werke AG filed Critical Didier Engineering GmbH
Priority to EP86113780A priority patent/EP0229229B1/de
Priority to ES86113780T priority patent/ES2008665B3/es
Priority to DE8686113780T priority patent/DE3667407D1/de
Priority to AT86113780T priority patent/ATE48543T1/de
Priority to ZA869016A priority patent/ZA869016B/xx
Priority to US06/938,525 priority patent/US4751212A/en
Priority to AU66507/86A priority patent/AU6650786A/en
Publication of DE3543858A1 publication Critical patent/DE3543858A1/de
Application granted granted Critical
Publication of DE3543858C2 publication Critical patent/DE3543858C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE19853543858 1985-12-12 1985-12-12 Verfahren zur herstellung eines katalysators zur stickoxidreduzierung von abgasen Granted DE3543858A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE19853543858 DE3543858A1 (de) 1985-12-12 1985-12-12 Verfahren zur herstellung eines katalysators zur stickoxidreduzierung von abgasen
ES86113780T ES2008665B3 (es) 1985-12-12 1986-10-04 Metodo para fabricar un catalizador para reducir los oxidos nitricos en gases de escape.
DE8686113780T DE3667407D1 (de) 1985-12-12 1986-10-04 Verfahren zur herstellung eines katalysators zur stickoxidreduzierung von abgasen.
AT86113780T ATE48543T1 (de) 1985-12-12 1986-10-04 Verfahren zur herstellung eines katalysators zur stickoxidreduzierung von abgasen.
EP86113780A EP0229229B1 (de) 1985-12-12 1986-10-04 Verfahren zur Herstellung eines Katalysators zur Stickoxidreduzierung von Abgasen
ZA869016A ZA869016B (en) 1985-12-12 1986-11-28 Process for the production of a catalyst for the reduction of nitrogen oxide in waste gases
US06/938,525 US4751212A (en) 1985-12-12 1986-12-05 Process for the manufacture of a catalyst for the reduction of nitrogen oxides in exhaust gases
AU66507/86A AU6650786A (en) 1985-12-12 1986-12-11 Process for the production of a catalyst for the reduction of nitrogen oxides in waste gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853543858 DE3543858A1 (de) 1985-12-12 1985-12-12 Verfahren zur herstellung eines katalysators zur stickoxidreduzierung von abgasen

Publications (2)

Publication Number Publication Date
DE3543858A1 DE3543858A1 (de) 1987-06-19
DE3543858C2 true DE3543858C2 (US07714131-20100511-C00038.png) 1988-10-06

Family

ID=6288235

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19853543858 Granted DE3543858A1 (de) 1985-12-12 1985-12-12 Verfahren zur herstellung eines katalysators zur stickoxidreduzierung von abgasen
DE8686113780T Expired - Lifetime DE3667407D1 (de) 1985-12-12 1986-10-04 Verfahren zur herstellung eines katalysators zur stickoxidreduzierung von abgasen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8686113780T Expired - Lifetime DE3667407D1 (de) 1985-12-12 1986-10-04 Verfahren zur herstellung eines katalysators zur stickoxidreduzierung von abgasen.

Country Status (7)

Country Link
US (1) US4751212A (US07714131-20100511-C00038.png)
EP (1) EP0229229B1 (US07714131-20100511-C00038.png)
AT (1) ATE48543T1 (US07714131-20100511-C00038.png)
AU (1) AU6650786A (US07714131-20100511-C00038.png)
DE (2) DE3543858A1 (US07714131-20100511-C00038.png)
ES (1) ES2008665B3 (US07714131-20100511-C00038.png)
ZA (1) ZA869016B (US07714131-20100511-C00038.png)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727118A1 (de) * 1987-08-14 1989-02-23 Didier Werke Ag Verfahren zur herstellung von katalysatoren fuer die reduzierung von stickoxiden aus abgasen oder fuer chemische luftreinigungsverfahren und nach dem verfahren hergestellte katalysatoren
DE3729912A1 (de) * 1987-09-07 1989-03-16 Didier Werke Ag Verfahren zum beschichten eines katalysatortraegers
WO1990010493A1 (de) * 1989-03-07 1990-09-20 Brueckner Raimund Verfahren zum beschichten eines katalysatorträgers
DE4404329C2 (de) * 1994-02-11 1996-07-11 Cs Halbleiter Solartech Entsorgung von Flourchlorkohlenwasserstoffen und Halonen
US6045628A (en) * 1996-04-30 2000-04-04 American Scientific Materials Technologies, L.P. Thin-walled monolithic metal oxide structures made from metals, and methods for manufacturing such structures
US5814164A (en) 1994-11-09 1998-09-29 American Scientific Materials Technologies L.P. Thin-walled, monolithic iron oxide structures made from steels, and methods for manufacturing such structures
NL9402180A (nl) * 1994-12-21 1996-08-01 Hoogovens Staal Bv Werkwijze voor het verwijderen van NOx uit een gas door middel van selectieve katalytische reductie.
US6461562B1 (en) 1999-02-17 2002-10-08 American Scientific Materials Technologies, Lp Methods of making sintered metal oxide articles
CN115193446B (zh) * 2022-07-12 2023-10-20 北京科技大学 一种选择性催化脱除NOx的催化剂的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US948947A (en) * 1908-06-19 1910-02-08 Theodore J Wrampelmeier Catalytic and process of making same.
US4107272A (en) * 1973-05-21 1978-08-15 Hitachi, Ltd. Process for removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts
DE2512409C3 (de) * 1975-03-21 1982-04-29 Bayer Ag, 5090 Leverkusen Verfahren zum Entfernen von Stickstoffoxiden aus Abgasen
US4081511A (en) * 1975-03-21 1978-03-28 Didier Engineering Gmbh Process for removing nitric oxides from processing exhaust gases
DE2512410C3 (de) * 1975-03-21 1985-04-18 Didier Engineering Gmbh, 4300 Essen Verfahren zur Entfernung von Stickoxiden und Anlage zur Durchführung des Verfahrens
GB1554300A (en) * 1975-09-05 1979-10-17 Nippon Kokan Kk Method of reducing nitrogen oxides present in an exhaust to nitrogen
DE2619662C3 (de) * 1976-05-04 1978-10-26 Tatsukiyo Otsuki Verfahren zur Behandlung von Stickstoffoxide enthaltendem Abgas
US4132635A (en) * 1977-01-13 1979-01-02 Michigan Technological University Beneficiation of iron ores by froth flotation
JPS542990A (en) * 1977-06-10 1979-01-10 Kyushu Refractories Catalyst for reducing nitrogen oxides and its manufacturing method
JPS54117388A (en) * 1978-03-06 1979-09-12 Kawasaki Steel Co Preparation of catalyst for removing nitrogen oxide

Also Published As

Publication number Publication date
EP0229229B1 (de) 1989-12-13
US4751212A (en) 1988-06-14
ES2008665B3 (es) 1990-06-01
EP0229229A1 (de) 1987-07-22
AU6650786A (en) 1987-06-18
DE3667407D1 (de) 1990-01-18
ZA869016B (en) 1987-07-29
ES2008665A4 (es) 1989-08-01
ATE48543T1 (de) 1989-12-15
DE3543858A1 (de) 1987-06-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee