IT1232325B - Catalizzatore per ridurre ossidi di azoto in un gas di combustione e metodi per la sua produzione e impiego - Google Patents

Catalizzatore per ridurre ossidi di azoto in un gas di combustione e metodi per la sua produzione e impiego

Info

Publication number: IT1232325B
Authority: IT; Italy
Prior art keywords: catalyst; scales; vanadium; nitrogen oxides; oxide
Prior art date: 1989-09-11

Application number

IT8921673A

Other languages

English (en)

Other versions

IT8921673A0 (it

Inventor

Gennaro De Michele

Giuseppe Quattroni

Franco Curcio

Mirella Musci

Maurizio Notaro

Paolo Ciambelli

Maria Turco

Giovanni Bagnasco

Gennaro Russo

Original Assignee

Ente Naz Energia Elettrica

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.)

1989-09-11

Filing date

1989-09-11

Publication date

1992-01-28

1989-09-11 Application filed by Ente Naz Energia Elettrica filed Critical Ente Naz Energia Elettrica

1989-09-11 Priority to IT8921673A priority Critical patent/IT1232325B/it

1989-09-11 Publication of IT8921673A0 publication Critical patent/IT8921673A0/it

1990-08-28 Priority to DE69014503T priority patent/DE69014503T2/de

1990-08-28 Priority to AT90116443T priority patent/ATE114501T1/de

1990-08-28 Priority to EP90116443A priority patent/EP0417538B1/en

1992-01-28 Application granted granted Critical

1992-01-28 Publication of IT1232325B publication Critical patent/IT1232325B/it

Links

MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract 5
239000003054 catalyst Substances 0.000 title abstract 4
238000004519 manufacturing process Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
239000000567 combustion gas Substances 0.000 title 1
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 abstract 2
239000003546 flue gas Substances 0.000 abstract 2
150000003681 vanadium Chemical class 0.000 abstract 2
229910001935 vanadium oxide Inorganic materials 0.000 abstract 2
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 1
229910021529 ammonia Inorganic materials 0.000 abstract 1
239000013078 crystal Substances 0.000 abstract 1
239000011261 inert gas Substances 0.000 abstract 1
230000001678 irradiating effect Effects 0.000 abstract 1
QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 abstract 1
239000000843 powder Substances 0.000 abstract 1
239000002904 solvent Substances 0.000 abstract 1
150000003609 titanium compounds Chemical class 0.000 abstract 1
OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract 1
229910052721 tungsten Inorganic materials 0.000 abstract 1
239000010937 tungsten Substances 0.000 abstract 1
229910001930 tungsten oxide Inorganic materials 0.000 abstract 1
-1 tungsten salt Chemical class 0.000 abstract 1

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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/349—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of flames, plasmas or lasers
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20776—Tungsten
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/92—Dimensions
- B01D2255/9202—Linear dimensions
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/92—Dimensions
- B01D2255/9207—Specific surface

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Physics & Mathematics (AREA)
Plasma & Fusion (AREA)
Toxicology (AREA)
Optics & Photonics (AREA)
Combustion & Propulsion (AREA)
Biomedical Technology (AREA)
Environmental & Geological Engineering (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Catalysts (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)

IT8921673A 1989-09-11 1989-09-11 Catalizzatore per ridurre ossidi di azoto in un gas di combustione e metodi per la sua produzione e impiego IT1232325B (it)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
IT8921673A IT1232325B (it)	1989-09-11	1989-09-11	Catalizzatore per ridurre ossidi di azoto in un gas di combustione e metodi per la sua produzione e impiego
DE69014503T DE69014503T2 (de)	1989-09-11	1990-08-28	Katalysator zur Reduzierung von Stickoxyden in Abgasen und Verfahren zu seiner Herstellung.
AT90116443T ATE114501T1 (de)	1989-09-11	1990-08-28	Katalysator zur reduzierung von stickoxyden in abgasen und verfahren zu seiner herstellung.
EP90116443A EP0417538B1 (en)	1989-09-11	1990-08-28	Catalyst for reducing nitrogen oxides in a flue gas and method for producing said catalyst

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT8921673A IT1232325B (it)	1989-09-11	1989-09-11	Catalizzatore per ridurre ossidi di azoto in un gas di combustione e metodi per la sua produzione e impiego

Publications (2)

Publication Number	Publication Date
IT8921673A0 IT8921673A0 (it)	1989-09-11
IT1232325B true IT1232325B (it)	1992-01-28

Family

ID=11185187

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT8921673A IT1232325B (it)	1989-09-11	1989-09-11	Catalizzatore per ridurre ossidi di azoto in un gas di combustione e metodi per la sua produzione e impiego

Country Status (4)

Country	Link
EP (1)	EP0417538B1 (it)
AT (1)	ATE114501T1 (it)
DE (1)	DE69014503T2 (it)
IT (1)	IT1232325B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1248536B (it) *	1991-06-24	1995-01-19	Enel Ente Nazionale Per L Ener	Catalizzatore per ridurre ossidi di azoto in un gas di combustione e metodo per la sua produzione.
US6391494B2 (en)	1999-05-13	2002-05-21	Nanogram Corporation	Metal vanadium oxide particles
US6225007B1 (en)	1999-02-05	2001-05-01	Nanogram Corporation	Medal vanadium oxide particles
US6099798A (en)	1997-10-31	2000-08-08	Nanogram Corp.	Ultraviolet light block and photocatalytic materials
US7384680B2 (en)	1997-07-21	2008-06-10	Nanogram Corporation	Nanoparticle-based power coatings and corresponding structures
US6607706B1 (en)	1998-11-09	2003-08-19	Nanogram Corporation	Composite metal oxide particles
US6482374B1 (en)	1999-06-16	2002-11-19	Nanogram Corporation	Methods for producing lithium metal oxide particles

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4071601A (en) *	1973-03-06	1978-01-31	Sumitomo Chemical Company, Limited	Selective removal of nitrogen oxides from waste gases using V-Mo-W catalysts
US4468474A (en) *	1983-05-16	1984-08-28	Allied Corporation	Iron/silicon-based catalyst exhibiting high selectivity to C2 -C62 Fischer-Tropsch reactions
DE3531810A1 (de) *	1985-09-06	1987-03-19	Kraftwerk Union Ag	Katalysatormaterial zur reduktion von stickoxiden
US4687753A (en) *	1985-10-25	1987-08-18	Exxon Research And Engineering Company	Laser produced iron carbide-based catalysts
JP2583911B2 (ja) *	1987-10-26	1997-02-19	バブコツク日立株式会社	窒素酸化物除去用触媒
DE3739002A1 (de) *	1987-11-17	1989-05-24	Veba Oel Ag	Metallmischoxidpulver, deren mischungen, metalloxidpulver und deren verwendung bei der katalytischen dehydrierung von kohlenwasserstoffen
DE3740289A1 (de) *	1987-11-27	1989-06-08	Degussa	Katalysator zur selektiven reduktion von stickoxiden mit ammoniak

1989
- 1989-09-11 IT IT8921673A patent/IT1232325B/it active
1990
- 1990-08-28 DE DE69014503T patent/DE69014503T2/de not_active Expired - Fee Related
- 1990-08-28 AT AT90116443T patent/ATE114501T1/de not_active IP Right Cessation
- 1990-08-28 EP EP90116443A patent/EP0417538B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0417538A1 (en)	1991-03-20
IT8921673A0 (it)	1989-09-11
EP0417538B1 (en)	1994-11-30
ATE114501T1 (de)	1994-12-15
DE69014503T2 (de)	1995-07-13
DE69014503D1 (de)	1995-01-12

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19960927

Publication	Publication Date	Title
ATE129437T1 (de)	1995-11-15	Katalysator zur reinigung von abgasen.
ATE79785T1 (de)	1992-09-15	Denitrierungskatalysator zum reduzieren von stickstoffoxiden in abgasen.
SE8800802D0 (sv)	1988-03-07	Katalysator for bilavgasrening, forfarande for framstellning derav samt anvendning derav
JPS51125684A (en)	1976-11-02	Reduction catalyst of nitrogen oxides and process for producing the sa me
JPS5314662A (en)	1978-02-09	Method for decreasing nitrogen oxides concentration of combustion exhaust gas
DE69014503D1 (de)	1995-01-12	Katalysator zur Reduzierung von Stickoxyden in Abgasen und Verfahren zu seiner Herstellung.
JPS524491A (en)	1977-01-13	Method of preparing catalyst for removing nox by selective catalytic r eduction with ammonia
DE3585865D1 (de)	1992-05-21	Eine enzymzusammensetzung als verdauungsbeschleuniger bei verschiedenen spiegeln im verdauungskanal und deren herstellungsverfahren.
CA2013100A1 (en)	1990-09-28	Process for purifying exhaust gas and catalyst molded article for use in it
DE69423845D1 (de)	2000-05-11	Verfahren und Katalysator zur Reduktion von NOx in Verbrennungsabgasen
EP0520217B1 (en)	1996-04-17	A catalyst for reducing nitrogen oxides in combustion gases and a method for its production
ATE338199T1 (de)	2006-09-15	Abgasreinigungsvorrichtung für eine brennkraftmaschine und regenerationsverfahren für diese vorrichtung
ATE179507T1 (de)	1999-05-15	Katalytischen verbrennungsverfahren mit palladiumoxyd traegerkatalysatoren
DK311889D0 (da)	1989-06-23	Fremgangsmaade til fjernelse af nitrogenoxider fra forbraendingsgasser
JPS5224996A (en)	1977-02-24	Process for producing catalist for the reduction of nitrogen oxides
ATE45295T1 (de)	1989-08-15	Verfahren zum herstellen eines katalysators zur selektiven reduktion von stickoxiden in abgasen.
JPS5469587A (en)	1979-06-04	Improved molded catalyst for purification of nitrogen oxides
DE59207781D1 (de)	1997-02-06	Katalysator zur Verminderung der Stickoxide im Rauchgas und Verfahren zu seiner Herstellung
EP0272620A3 (en)	1989-02-22	Process for eliminating nitrogen oxides from exhaust gases emanating from coal combustion
CA2150379A1 (en)	1995-04-06	Exhaust Emission Control Catalyst and Process for Producing the Same
RU93001114A (ru)	1995-09-27	Катализатор для глубокого окисления углеводородов и со и способ его получения
JPS5314663A (en)	1978-02-09	Method for removing nitrogen oxides contained in high temperature exhaust gas
JPS5228462A (en)	1977-03-03	Process for reduction removal of nitrogen oxides in exhaust gases in v ertical catalyst vessels
JPS6415991A (en)	1989-01-19	Catalyst for purification of oscillation medium of carbon dioxide laser
JPS5289560A (en)	1977-07-27	Removal of nitrogen oxides