JPS5423068A - Removing method for nitrogen oxides in exhaust gas - Google Patents

Removing method for nitrogen oxides in exhaust gas

Info

Publication number: JPS5423068A
Authority: JP; Japan
Prior art keywords: exhaust gas; nitrogen oxides; removing method; nox; equalizing
Prior art date: 1977-07-22
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

JP8729977A

Other languages

English (en)

Inventor

Akira Kato

Shinpei Matsuda

Shigeo Uno

Yoichi Sakuta

Fumito Nakajima

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.)

Hitachi Ltd

Original Assignee

Hitachi Ltd

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.)

1977-07-22

Filing date

1977-07-22

Publication date

1979-02-21

1977-07-22 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1977-07-22 Priority to JP8729977A priority Critical patent/JPS5423068A/ja

1978-07-19 Priority to US05/926,111 priority patent/US4351811A/en

1978-07-20 Priority to DE2832002A priority patent/DE2832002C3/de

1979-02-21 Publication of JPS5423068A publication Critical patent/JPS5423068A/ja

Status Pending legal-status Critical Current

Links

MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title 3
239000007789 gas Substances 0.000 title 1
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
229910021529 ammonia Inorganic materials 0.000 abstract 1
239000003054 catalyst Substances 0.000 abstract 1
229910044991 metal oxide Inorganic materials 0.000 abstract 1
150000004706 metal oxides Chemical class 0.000 abstract 1
229910017604 nitric acid Inorganic materials 0.000 abstract 1

Landscapes

Exhaust Gas Treatment By Means Of Catalyst (AREA)
Catalysts (AREA)

JP8729977A 1977-07-20 1977-07-22 Removing method for nitrogen oxides in exhaust gas Pending JPS5423068A (en)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
JP8729977A JPS5423068A (en)	1977-07-22	1977-07-22	Removing method for nitrogen oxides in exhaust gas
US05/926,111 US4351811A (en)	1977-07-20	1978-07-19	Process for reducing an eliminating nitrogen oxides in an exhaust gas
DE2832002A DE2832002C3 (de)	1977-07-20	1978-07-20	Verfahren zum Entfernen von Stickstoffoxiden aus Verbrennungsabgasen

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP8729977A JPS5423068A (en)	1977-07-22	1977-07-22	Removing method for nitrogen oxides in exhaust gas

Publications (1)

Publication Number	Publication Date
JPS5423068A true JPS5423068A (en)	1979-02-21

Family

ID=13910936

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP8729977A Pending JPS5423068A (en)	1977-07-20	1977-07-22	Removing method for nitrogen oxides in exhaust gas

Country Status (1)

Country	Link
JP (1)	JPS5423068A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS54115672A (en) *	1978-03-01	1979-09-08	Hitachi Ltd	Treating method for exhaust gas containing nitrogen oxides
JPS5637029A (en) *	1979-08-31	1981-04-10	Mitsubishi Heavy Ind Ltd	Reduction of nox in exhaust gas

1977
- 1977-07-22 JP JP8729977A patent/JPS5423068A/ja active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS54115672A (en) *	1978-03-01	1979-09-08	Hitachi Ltd	Treating method for exhaust gas containing nitrogen oxides
JPS5637029A (en) *	1979-08-31	1981-04-10	Mitsubishi Heavy Ind Ltd	Reduction of nox in exhaust gas

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