FR1091172A - Dispositif pour four de combustion de l'ammoniac en oxydes d'azote - Google Patents

Dispositif pour four de combustion de l'ammoniac en oxydes d'azote

Info

Publication number
FR1091172A
FR1091172A FR1091172DA FR1091172A FR 1091172 A FR1091172 A FR 1091172A FR 1091172D A FR1091172D A FR 1091172DA FR 1091172 A FR1091172 A FR 1091172A
Authority
FR
France
Prior art keywords
ammonia
furnace
combustion
nitrogen oxides
oxides
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.)
Expired
Application number
Other languages
English (en)
French (fr)
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.)
Norsk Hydro Elektrisk Kvaelstof AS
Original Assignee
Norsk Hydro Elektrisk Kvaelstof AS
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 Norsk Hydro Elektrisk Kvaelstof AS filed Critical Norsk Hydro Elektrisk Kvaelstof AS
Application granted granted Critical
Publication of FR1091172A publication Critical patent/FR1091172A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/08—Slip-rings
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • 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)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
    • C01B21/267—Means for preventing deterioration or loss of catalyst or for recovering lost catalyst
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/04—Commutators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/04—Commutators
    • H01R39/06—Commutators other than with external cylindrical contact surface, e.g. flat commutators
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00203—Coils

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chimneys And Flues (AREA)
  • Catalysts (AREA)
FR1091172D 1953-01-08 1954-01-06 Dispositif pour four de combustion de l'ammoniac en oxydes d'azote Expired FR1091172A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO323309X 1953-01-08

Publications (1)

Publication Number Publication Date
FR1091172A true FR1091172A (fr) 1955-04-07

Family

ID=19905224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1091172D Expired FR1091172A (fr) 1953-01-08 1954-01-06 Dispositif pour four de combustion de l'ammoniac en oxydes d'azote

Country Status (5)

Country Link
CH (1) CH323309A (enExample)
DE (1) DE1007302B (enExample)
FR (1) FR1091172A (enExample)
GB (1) GB755329A (enExample)
NL (1) NL87250C (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215495A (en) * 1962-01-23 1965-11-02 Du Pont Apparatus and process for preparing hydrogen cyanide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT125172B (de) * 1928-12-11 1931-10-26 Ivar Walfrid Dr Cederberg Verfahren zur Herstellung hochprozentiger Salpetersäure durch katalytische Verbrennung von Ammoniak mit Sauerstoff oder sauerstoffreichen Gasen.
CH168438A (de) * 1929-08-26 1934-04-15 Du Pont Verfahren zur Herstellung von Stickoxyden durch Oxydation von Ammoniak.
DE752205C (de) * 1941-12-24 1952-11-10 Ig Farbenindustrie Ag UEberfuehrung von Ammoniak in Stickoxyde

Also Published As

Publication number Publication date
GB755329A (en) 1956-08-22
CH323309A (de) 1957-07-31
DE1007302B (de) 1957-05-02
NL87250C (enExample)

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