JPS4920472B1 - - Google Patents

Info

Publication number
JPS4920472B1
JPS4920472B1 JP41067632A JP6763266A JPS4920472B1 JP S4920472 B1 JPS4920472 B1 JP S4920472B1 JP 41067632 A JP41067632 A JP 41067632A JP 6763266 A JP6763266 A JP 6763266A JP S4920472 B1 JPS4920472 B1 JP S4920472B1
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
JP41067632A
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 filed Critical
Publication of JPS4920472B1 publication Critical patent/JPS4920472B1/ja
Pending legal-status Critical Current

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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas After Treatment (AREA)
JP41067632A 1965-10-14 1966-10-14 Pending JPS4920472B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US496115A US3402015A (en) 1965-10-14 1965-10-14 Multiple stage treatment of a noxious stream with cyclic high quantities of nitrogen oxides

Publications (1)

Publication Number Publication Date
JPS4920472B1 true JPS4920472B1 (ja) 1974-05-24

Family

ID=23971302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP41067632A Pending JPS4920472B1 (ja) 1965-10-14 1966-10-14

Country Status (7)

Country Link
US (1) US3402015A (ja)
JP (1) JPS4920472B1 (ja)
BE (1) BE688112A (ja)
DE (1) DE1567890C3 (ja)
FR (1) FR1496530A (ja)
GB (1) GB1155057A (ja)
NL (1) NL6614474A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517244B1 (ja) * 1971-05-26 1976-03-06
US3896616A (en) * 1972-04-21 1975-07-29 Engelhard Min & Chem Process and apparatus
DE2224438C2 (de) * 1972-05-19 1975-06-05 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb
US3941869A (en) * 1972-05-23 1976-03-02 Warren Fuchs Process for exothermic reactions
DE102016206872A1 (de) * 2016-04-22 2017-10-26 Thyssenkrupp Ag Verfahren zur Verminderung der NOx-Abgaskonzentration in einer Anlage zur Herstellung von Salpetersäure beim Ab- und/oder Anfahren der Anlage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125408A (en) * 1964-03-17 Method of removing nitrogen oxides from gases
DE1267668B (de) * 1957-08-28 1968-05-09 Reinluft G M B H Verfahren zur adsorptiven Abtrennung und Gewinnung von Schwefeldioxid und/oder Stickoxid aus industriellen Gasen, insbesondere Rauchgasen
US3032387A (en) * 1959-04-17 1962-05-01 Engelhard Ind Inc Selective removal of nitrogen oxides from gas streams

Also Published As

Publication number Publication date
NL6614474A (ja) 1967-04-17
DE1567890A1 (de) 1972-04-27
US3402015A (en) 1968-09-17
FR1496530A (fr) 1967-09-29
BE688112A (ja) 1967-03-16
DE1567890B2 (de) 1973-05-10
GB1155057A (en) 1969-06-18
DE1567890C3 (de) 1973-12-13

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