JPS5394271A - Absorbing and removing method of nox in exhaust gas - Google Patents

Absorbing and removing method of nox in exhaust gas

Info

Publication number
JPS5394271A
JPS5394271A JP882077A JP882077A JPS5394271A JP S5394271 A JPS5394271 A JP S5394271A JP 882077 A JP882077 A JP 882077A JP 882077 A JP882077 A JP 882077A JP S5394271 A JPS5394271 A JP S5394271A
Authority
JP
Japan
Prior art keywords
nox
exhaust gas
absorbing
removing method
naoh
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.)
Granted
Application number
JP882077A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5616701B2 (enExample
Inventor
Tokuzo Nagaoka
Takamoto Nishimura
Satoru Ono
Shimaichi Osada
Naoki Yamashita
Yoshiyuki Tanaka
Yoshihiko Hatao
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.)
Ube Corp
Original Assignee
Ube Industries 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.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP882077A priority Critical patent/JPS5394271A/ja
Priority to US05/871,432 priority patent/US4145399A/en
Publication of JPS5394271A publication Critical patent/JPS5394271A/ja
Publication of JPS5616701B2 publication Critical patent/JPS5616701B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/36—Nitrogen dioxide (NO2, N2O4)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
JP882077A 1977-01-31 1977-01-31 Absorbing and removing method of nox in exhaust gas Granted JPS5394271A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP882077A JPS5394271A (en) 1977-01-31 1977-01-31 Absorbing and removing method of nox in exhaust gas
US05/871,432 US4145399A (en) 1977-01-31 1978-01-23 Process for the removal of nitrogen oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP882077A JPS5394271A (en) 1977-01-31 1977-01-31 Absorbing and removing method of nox in exhaust gas

Publications (2)

Publication Number Publication Date
JPS5394271A true JPS5394271A (en) 1978-08-18
JPS5616701B2 JPS5616701B2 (enExample) 1981-04-17

Family

ID=11703433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP882077A Granted JPS5394271A (en) 1977-01-31 1977-01-31 Absorbing and removing method of nox in exhaust gas

Country Status (2)

Country Link
US (1) US4145399A (enExample)
JP (1) JPS5394271A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013193939A (ja) * 2012-03-22 2013-09-30 Nittetsu Mining Co Ltd 硝酸第二鉄水溶液及び亜硝酸ナトリウムの製造方法
CN112044361A (zh) * 2020-08-03 2020-12-08 中国原子能科学研究院 一种氮氧化物发生系统
CN113663495A (zh) * 2021-06-22 2021-11-19 襄阳泽东化工集团有限公司 一种两钠产品生产中提高亚硝比的系统及工艺

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3107117A1 (de) * 1981-02-26 1982-09-09 Kali-Chemie Ag, 3000 Hannover "verfarhen zur atrennung von no(pfeil abwaerts)x(pfeil abwaerts)-gas"
US4460552A (en) * 1981-05-26 1984-07-17 Steuler Industriewerke, G.M.B.H. Process for the separation of air components, such as difficultly absorbable air impurities, out of air-gas mixtures
FR2551990B1 (fr) * 1983-09-21 1985-12-13 Rhone Poulenc Chim Base Procede de traitement d'un courant gazeux contenant des oxydes d'azote
CN101696023B (zh) * 2009-10-30 2012-01-25 石家庄凤山化工有限公司 一种利用转化气制备硝酸钠、亚硝酸钠原料液的方法和设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1949462A (en) * 1930-05-14 1934-03-06 Atmospheric Nitrogen Corp Process for the utilization of nitrogen oxide gases
US2072947A (en) * 1930-12-26 1937-03-09 Solvay Process Co Process for reacting nitrogen tetroxide with aqueous liquids
FR1391087A (fr) * 1964-01-21 1965-03-05 Potasse & Engrais Chimiques Procédé de récupération des oxydes d'azote
DE1567569A1 (de) * 1965-05-18 1970-06-04 Pauling Dipl Ing Harry Verfahren zur vollstaendigen Entfernung von Stickstoffoxyden
JPS4832766A (enExample) * 1971-08-31 1973-05-02
JPS5039275A (enExample) * 1973-08-10 1975-04-11

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013193939A (ja) * 2012-03-22 2013-09-30 Nittetsu Mining Co Ltd 硝酸第二鉄水溶液及び亜硝酸ナトリウムの製造方法
CN112044361A (zh) * 2020-08-03 2020-12-08 中国原子能科学研究院 一种氮氧化物发生系统
CN113663495A (zh) * 2021-06-22 2021-11-19 襄阳泽东化工集团有限公司 一种两钠产品生产中提高亚硝比的系统及工艺
CN113663495B (zh) * 2021-06-22 2023-11-24 襄阳泽东化工集团有限公司 一种两钠产品生产中提高亚硝比的系统及工艺

Also Published As

Publication number Publication date
JPS5616701B2 (enExample) 1981-04-17
US4145399A (en) 1979-03-20

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