JPS49122475A - - Google Patents

Info

Publication number: JPS49122475A
Authority: JP; Japan
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.): Pending

Application number

JP49027054A

Other languages

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.)

1973-03-13

Filing date

1974-03-08

Publication date

1974-11-22

1974-03-08 Application filed filed Critical

1974-11-22 Publication of JPS49122475A publication Critical patent/JPS49122475A/ja

Status Pending 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
- B01J29/20—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing iron group metals, noble metals or copper
- 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
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/202—Hydrogen
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/204—Carbon monoxide
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites

JP49027054A 1973-03-13 1974-03-08 Pending JPS49122475A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US34080973A	1973-03-13	1973-03-13

Publications (1)

Publication Number	Publication Date
JPS49122475A true JPS49122475A (en)	1974-11-22

Family

ID=23335025

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP49027054A Pending JPS49122475A (en)	1973-03-13	1974-03-08

Country Status (4)

Country	Link
JP (1)	JPS49122475A (en)
DE (1)	DE2411853A1 (en)
FR (1)	FR2221172A1 (en)
IT (1)	IT1005647B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5059283A (en) *	1973-09-27	1975-05-22
JPS5242489A (en) *	1976-05-20	1977-04-02	Toa Nenryo Kogyo Kk	Nox-reduction catalyst and method of producing thereof
JPH01310742A (en) *	1988-06-07	1989-12-14	Toyota Motor Corp	Catalyst for use in purification of exhaust gas
JPH02500822A (en) *	1986-10-16	1990-03-22	シュトイラー‐インダストリーブェルケ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング	Catalyst for removing nitrogen oxides from waste gas

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4297328A (en) *	1979-09-28	1981-10-27	Union Carbide Corporation	Three-way catalytic process for gaseous streams
DE3544476A1 (en) *	1985-12-16	1987-06-19	Sued Chemie Ag	IRONED CATALYST FOR REDUCING THE NITROGEN OXIDE CONTENT OF COMBUSTION EXHAUST GASES
FR2622474B2 (en) *	1987-04-03	1990-01-26	Azote & Prod Chim	CATALYTIC COMPOSITION FOR THE SELECTIVE REDUCTION OF NITROGEN OXIDES CONTAINED IN OXYGENOUS GAS EFFLUENTS AND METHOD FOR THE PURIFICATION OF SUCH EFFLUENTS
DE3841990A1 (en) *	1988-12-14	1990-06-21	Degussa	PROCESS FOR REDUCING STICK OXIDES FROM EXHAUST GASES
DE19728701A1 (en) *	1997-07-04	1999-01-07	Metallgesellschaft Ag	Process for the production of fine-grained catalysts from naturally occurring zeolite

1974
- 1974-03-08 JP JP49027054A patent/JPS49122475A/ja active Pending
- 1974-03-12 FR FR7408400A patent/FR2221172A1/en active Granted
- 1974-03-12 DE DE19742411853 patent/DE2411853A1/en active Pending
- 1974-03-13 IT IT1254174A patent/IT1005647B/en active

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5059283A (en) *	1973-09-27	1975-05-22
JPS548351B2 (en) *	1973-09-27	1979-04-14
JPS5242489A (en) *	1976-05-20	1977-04-02	Toa Nenryo Kogyo Kk	Nox-reduction catalyst and method of producing thereof
JPS6116509B2 (en) *	1976-05-20	1986-04-30	Toa Nenryo Kogyo Kk
JPH02500822A (en) *	1986-10-16	1990-03-22	シュトイラー‐インダストリーブェルケ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング	Catalyst for removing nitrogen oxides from waste gas
JPH01310742A (en) *	1988-06-07	1989-12-14	Toyota Motor Corp	Catalyst for use in purification of exhaust gas

Also Published As

Publication number	Publication date
FR2221172B3 (en)	1976-12-24
FR2221172A1 (en)	1974-10-11
IT1005647B (en)	1976-09-30
DE2411853A1 (en)	1974-09-19

Publication	Publication Date	Title
AR201758A1 (en)	1975-04-15
AU476761B2 (en)	1976-09-30
AU465372B2 (en)	1975-09-25
AR201235Q (en)	1975-02-21
AU474593B2 (en)	1976-07-29
AU474511B2 (en)	1976-07-22
AU474838B2 (en)	1976-08-05
AU465453B2 (en)	1975-09-25
AU471343B2 (en)	1976-04-15
JPS548351B2 (en)	1979-04-14
AU450229B2 (en)	1974-07-04
AU476714B2 (en)	1976-09-30
FR2221172B3 (en)	1976-12-24
AU476696B2 (en)	1976-09-30
AU466283B2 (en)	1975-10-23
AU472848B2 (en)	1976-06-03
FR2218935B1 (en)	1977-07-22
FR2218926B1 (en)	1977-07-22
AU477823B2 (en)	1975-06-19
AR195948A1 (en)	1973-11-15
AR195311A1 (en)	1973-09-28
AR193950A1 (en)	1973-05-31
AR210729A1 (en)	1977-09-15
AR201432A1 (en)	1975-03-14
AU461342B2 (en)	1975-05-22