IL41171A - Process for removing nitrogen oxides from exhaust gases - Google Patents

Process for removing nitrogen oxides from exhaust gases

Info

Publication number: IL41171A
Authority: IL; Israel
Prior art keywords: oxides; carrier; nickel; copper; manganese
Prior art date: 1971-12-30

Application number

IL41171A

Other languages

English (en)

Other versions

IL41171A0 (en

Original Assignee

Hoechst 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.)

1971-12-30

Filing date

1972-12-25

Publication date

1976-04-30

1972-12-25 Application filed by Hoechst Ag filed Critical Hoechst Ag

1973-02-28 Publication of IL41171A0 publication Critical patent/IL41171A0/xx

1976-04-30 Publication of IL41171A publication Critical patent/IL41171A/en

Links

Classifications

- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
- 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
- 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
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/208—Hydrocarbons
- 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
- B01D2255/2073—Manganese
- 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
- B01D2255/20753—Nickel
- 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
- B01D2255/20761—Copper
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies

Landscapes

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

IL41171A 1971-12-30 1972-12-25 Process for removing nitrogen oxides from exhaust gases IL41171A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2165548A DE2165548C3 (de)	1971-12-30	1971-12-30	Reduktionskatalysator zur Reduktion von Stickoxiden in Abgasen

Publications (2)

Publication Number	Publication Date
IL41171A0 IL41171A0 (en)	1973-02-28
IL41171A true IL41171A (en)	1976-04-30

Family

ID=5829699

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL41171A IL41171A (en)	1971-12-30	1972-12-25	Process for removing nitrogen oxides from exhaust gases

Country Status (16)

Country	Link
US (1)	US3880982A (de)
JP (1)	JPS4879160A (de)
BE (1)	BE793519A (de)
BR (1)	BR7209002D0 (de)
CA (1)	CA998824A (de)
CH (1)	CH590686A5 (de)
CS (1)	CS170460B2 (de)
DD (1)	DD101292A5 (de)
DE (1)	DE2165548C3 (de)
FR (1)	FR2166190B1 (de)
GB (1)	GB1381370A (de)
IL (1)	IL41171A (de)
IT (1)	IT974322B (de)
NL (1)	NL7217288A (de)
PL (1)	PL82477B1 (de)
RO (1)	RO61179A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS50133995A (de) *	1974-04-11	1975-10-23
JPS5390186A (en) *	1977-01-20	1978-08-08	Kureha Chem Ind Co Ltd	Catalyst for reducing of nitrogen
US4325432A (en) *	1980-04-07	1982-04-20	Henry John T	Method of oil recovery
US4695437A (en) *	1986-06-13	1987-09-22	Johnson Matthey, Inc.	Selective catalytic reduction catalysts
DE3634553A1 (de) *	1986-10-10	1988-04-21	Didier Werke Ag	Verwendung von manganknollen oder manganhaltigen tiefsee-erzen in katalysatoren zur verminderung von stickstoffoxiden in abgasen
JPH0611381B2 (ja) *	1986-10-17	1994-02-16	株式会社豊田中央研究所	排ガス浄化方法
DE3917983A1 (de) *	1989-06-02	1990-12-06	Gaswaerme Inst Ev	Verfahren und vorrichtung zum vermindern der stickstoffoxid-konzentration eines no(pfeil abwaerts)x(pfeil abwaerts)-haltigen rauchgases
US5021146A (en) *	1989-12-28	1991-06-04	Mobil Oil Corporation	Reducing NOx emissions with group IIIB compounds
EP0494388B1 (de) *	1991-01-08	1995-12-06	Agency Of Industrial Science And Technology	Verfahren zur Entfernung von Stickoxiden aus Abgasen
CA2141734C (en) *	1995-01-25	2000-06-06	Raj Narain Pandey	Selective catalytic reduction of nitrogen oxides
EP1861599B1 (de) *	2005-03-01	2013-11-06	Saudi Arabian Oil Company	Verfahren zur entkohlung von kohlenwasserstoffkraftstoffen an bord eines fahrzeugs
CN105126822A (zh) *	2015-07-10	2015-12-09	上海纳米技术及应用国家工程研究中心有限公司	整体式低浓度一氧化氮常温氧化锰催化剂的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE396270A (de) *	1932-05-12
US2924504A (en) *	1956-08-30	1960-02-09	Chemetron Corp	Process of removing nitrogen oxides from gas streams of varying composition
US3216954A (en) *	1959-07-22	1965-11-09	Du Pont	Mangano-chromia-manganite catalyst and process for its production
US3228746A (en) *	1960-09-29	1966-01-11	Du Pont	Method of treating exhaust gases of internal combustion engines
US3231516A (en) *	1962-07-12	1966-01-25	Minerals & Chem Philipp Corp	Catalyst containing activated bauxite
US3493325A (en) *	1967-09-12	1970-02-03	Monsanto Co	Process for catalytically treating exhaust gases
US3681260A (en) *	1968-12-26	1972-08-01	Texaco Inc	Catalyst and method of making same
US3757521A (en) *	1971-04-05	1973-09-11	Chemical Construction Corp	Integrated engine exhaust emission control system
US3699683A (en) *	1971-04-05	1972-10-24	Chemical Construction Corp	Engine exhaust emission control system
FR2109662A5 (en) *	1971-07-16	1972-05-26	Chemical Construction Corp	Exhaust gas conversion catalyst - for ic engines comprises alumina-supported copper and cobalt oxides

1971
- 1971-12-30 DE DE2165548A patent/DE2165548C3/de not_active Expired
1972
- 1972-11-02 DD DD166648A patent/DD101292A5/xx unknown
- 1972-12-19 RO RO73211A patent/RO61179A/ro unknown
- 1972-12-19 NL NL7217288A patent/NL7217288A/xx not_active Application Discontinuation
- 1972-12-20 BR BR009002/72A patent/BR7209002D0/pt unknown
- 1972-12-25 IL IL41171A patent/IL41171A/en unknown
- 1972-12-26 JP JP48004554A patent/JPS4879160A/ja active Pending
- 1972-12-26 US US318672A patent/US3880982A/en not_active Expired - Lifetime
- 1972-12-27 IT IT55033/72A patent/IT974322B/it active
- 1972-12-27 CH CH1892272A patent/CH590686A5/xx not_active IP Right Cessation
- 1972-12-28 PL PL1972159836A patent/PL82477B1/pl unknown
- 1972-12-29 GB GB6003772A patent/GB1381370A/en not_active Expired
- 1972-12-29 FR FR7246957A patent/FR2166190B1/fr not_active Expired
- 1972-12-29 CS CS9066A patent/CS170460B2/cs unknown
- 1972-12-29 BE BE793519D patent/BE793519A/xx unknown
- 1972-12-29 CA CA160,239A patent/CA998824A/en not_active Expired

Also Published As

Publication number	Publication date
PL82477B1 (de)	1975-10-31
CA998824A (en)	1976-10-26
IT974322B (it)	1974-06-20
IL41171A0 (en)	1973-02-28
CH590686A5 (de)	1977-08-15
CS170460B2 (de)	1976-08-27
NL7217288A (de)	1973-07-03
GB1381370A (en)	1975-01-22
BR7209002D0 (pt)	1973-08-30
FR2166190A1 (de)	1973-08-10
DE2165548A1 (de)	1973-07-05
RO61179A (de)	1976-07-15
JPS4879160A (de)	1973-10-24
DE2165548C3 (de)	1978-09-14
DE2165548B2 (de)	1978-01-12
FR2166190B1 (de)	1978-06-30
US3880982A (en)	1975-04-29
DD101292A5 (de)	1973-11-05
BE793519A (fr)	1973-06-29

Publication	Publication Date	Title
GB1282185A (en)	1972-07-19	Internal combustion engine having exhaust gas treatment
US3905918A (en)	1975-09-16	Catalyst for purifying exhaust gases
KR870000961A (ko)	1987-03-10	2가금속-알루민산염 촉매, 그 제조방법 및 2가금속-알루민산염 첨정석 촉매 담체 제조방법.
IL41171A (en)	1976-04-30	Process for removing nitrogen oxides from exhaust gases
CA1046490A (en)	1979-01-16	Catalysts, apparatus, and process using same
GB1460222A (en)	1976-12-31	Catalysts for purifying exhaust gases
US2031475A (en)	1936-02-18	Oxidizing catalysts
SU505334A3 (ru)	1976-02-28	Каталитический состав дл очистки выхлопных газов двигателей внутреннего сгорани
GB1346853A (en)	1974-02-13	Process for treating combustion exhaust gas
JPH0483516A (ja)	1992-03-17	窒素酸化物の除去方法
US4064073A (en)	1977-12-20	Catalyst for the purification of the exhaust gases of internal combustion engines
JPH04281846A (ja)	1992-10-07	窒素酸化物除去用金触媒及び窒素酸化物除去方法
US3855389A (en)	1974-12-17	Method of treating exhaust gases of internal combustion engines
JPS584577B2 (ja)	1983-01-27	メチルアルコ−ルカイシツヨウノシヨクバイ
GB1366217A (en)	1974-09-11	Process for the oxidation of carbon monoxide and hydrocarbons
JPH0714481B2 (ja)	1995-02-22	排ガス浄化用触媒
JPH04193347A (ja)	1992-07-13	排気ガス浄化触媒
IL44734A (en)	1976-08-31	Oxidation of carbon monoxide and hydrocarbons
JPH05115751A (ja)	1993-05-14	ガス燃焼排ガスの処理方法および該方法に用いられる触媒
KR0166465B1 (ko)	1999-01-15	배기가스 정화용 촉매의 제조방법
JP3302036B2 (ja)	2002-07-15	窒素酸化物除去方法
SU1007718A1 (ru)	1983-03-30	Катализатор дл глубокого окислени углеводородов и окиси углерода
JP3221706B2 (ja)	2001-10-22	窒素酸化物除去用触媒及びこれを用いてなる排ガス浄化方法
GB1403858A (en)	1975-08-28	Process and catalyst for treating combustion exhaust gas
CN117299120A (zh)	2023-12-29	一种Pd/CeSn催化剂及其制备方法与用途