NL160735C - PROCEDURE FOR THE SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES WITH AMMONIA. - Google Patents

PROCEDURE FOR THE SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES WITH AMMONIA.

Info

Publication number
NL160735C
NL160735C NL7400139A NL7400139A NL160735C NL 160735 C NL160735 C NL 160735C NL 7400139 A NL7400139 A NL 7400139A NL 7400139 A NL7400139 A NL 7400139A NL 160735 C NL160735 C NL 160735C
Authority
NL
Netherlands
Prior art keywords
ammonia
procedure
nitrogen oxides
catalytic reduction
selective catalytic
Prior art date
Application number
NL7400139A
Other languages
Dutch (nl)
Other versions
NL160735B (en
NL7400139A (en
Original Assignee
Hitachi Shipbuilding Eng Co
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 Hitachi Shipbuilding Eng Co filed Critical Hitachi Shipbuilding Eng Co
Priority to NL7400139A priority Critical patent/NL160735C/en
Publication of NL7400139A publication Critical patent/NL7400139A/en
Publication of NL160735B publication Critical patent/NL160735B/en
Application granted granted Critical
Publication of NL160735C publication Critical patent/NL160735C/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
    • B01D53/9404—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
    • B01J23/78—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 alkali- or alkaline earth metals
    • 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
    • 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
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
NL7400139A 1974-01-07 1974-01-07 PROCEDURE FOR THE SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES WITH AMMONIA. NL160735C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7400139A NL160735C (en) 1974-01-07 1974-01-07 PROCEDURE FOR THE SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES WITH AMMONIA.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7400139A NL160735C (en) 1974-01-07 1974-01-07 PROCEDURE FOR THE SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES WITH AMMONIA.

Publications (3)

Publication Number Publication Date
NL7400139A NL7400139A (en) 1975-07-09
NL160735B NL160735B (en) 1979-07-16
NL160735C true NL160735C (en) 1979-12-17

Family

ID=19820510

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7400139A NL160735C (en) 1974-01-07 1974-01-07 PROCEDURE FOR THE SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES WITH AMMONIA.

Country Status (1)

Country Link
NL (1) NL160735C (en)

Also Published As

Publication number Publication date
NL160735B (en) 1979-07-16
NL7400139A (en) 1975-07-09

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HITACHI SHIP