GB985782A - Improvements in processes and apparatus for preparing deuterium-enriched ammonia by isothermal isotope exchange - Google Patents

Improvements in processes and apparatus for preparing deuterium-enriched ammonia by isothermal isotope exchange

Info

Publication number
GB985782A
GB985782A GB43712/61A GB4371261A GB985782A GB 985782 A GB985782 A GB 985782A GB 43712/61 A GB43712/61 A GB 43712/61A GB 4371261 A GB4371261 A GB 4371261A GB 985782 A GB985782 A GB 985782A
Authority
GB
United Kingdom
Prior art keywords
ammonia
catalyst
reactor
deuterium
reactors
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
GB43712/61A
Other languages
English (en)
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.)
Constructions Mecaniques SA
Compagnie de Construction Mecanique Sulzer
Houilleres du Bassin du Nord et du Pas de Calais
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
Original Assignee
Constructions Mecaniques SA
Commissariat a lEnergie Atomique CEA
Compagnie de Construction Mecanique Sulzer
Houilleres du Bassin du Nord et du Pas de Calais
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Constructions Mecaniques SA, Commissariat a lEnergie Atomique CEA, Compagnie de Construction Mecanique Sulzer, Houilleres du Bassin du Nord et du Pas de Calais, Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Constructions Mecaniques SA
Publication of GB985782A publication Critical patent/GB985782A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis
    • C01C1/0405—Preparation of ammonia by synthesis from N2 and H2 in presence of a catalyst
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B4/00—Hydrogen isotopes; Inorganic compounds thereof prepared by isotope exchange, e.g. NH3 + D2 → NH2D + HD
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B5/00—Water
    • C01B5/02—Heavy water; Preparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND3 + 7O2 ---> 4NO2 + 6D2O, 2D2 + O2 ---> 2D2O
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB43712/61A 1960-12-14 1961-12-06 Improvements in processes and apparatus for preparing deuterium-enriched ammonia by isothermal isotope exchange Expired GB985782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR846861A FR1289472A (fr) 1960-12-14 1960-12-14 Perfectionnement aux procédés de préparation d'eau lourde par échange isotopique monotherme nh3-h2

Publications (1)

Publication Number Publication Date
GB985782A true GB985782A (en) 1965-03-10

Family

ID=8744715

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43712/61A Expired GB985782A (en) 1960-12-14 1961-12-06 Improvements in processes and apparatus for preparing deuterium-enriched ammonia by isothermal isotope exchange

Country Status (9)

Country Link
US (1) US3239310A (enExample)
BE (1) BE611155A (enExample)
CH (1) CH412825A (enExample)
DE (1) DE1168395B (enExample)
FR (1) FR1289472A (enExample)
GB (1) GB985782A (enExample)
LU (1) LU40923A1 (enExample)
NL (1) NL272357A (enExample)
SE (1) SE309030B (enExample)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2787526A (en) * 1943-11-09 1957-04-02 Jerome S Spevack Method of isotope concentration
US2741543A (en) * 1945-05-22 1956-04-10 Harold C Urey Process for the production of deuterium oxide
GB807803A (en) * 1956-05-04 1959-01-21 Brown John Constr Improvements in or relating to a method of extracting deuterium from hydrogen-containing gases
DE1046590B (de) * 1957-06-07 1958-12-18 Degussa Verfahren zur Entwaesserung des Katalysators in Austauschanlagen fuer die Anreicherung von Deuterium
US2988428A (en) * 1957-08-19 1961-06-13 Hesky Hans Method for reducing the deuterium concentration of the residual moisture adhering to a pulverulent catalyst substance after filtration of a catalyst suspension through th filter cake
LU38666A1 (enExample) * 1959-06-08

Also Published As

Publication number Publication date
BE611155A (fr) 1962-03-30
US3239310A (en) 1966-03-08
SE309030B (enExample) 1969-03-10
CH412825A (fr) 1966-05-15
NL272357A (enExample)
FR1289472A (fr) 1962-04-06
DE1168395B (de) 1964-04-23
LU40923A1 (enExample) 1962-02-07

Similar Documents

Publication Publication Date Title
US3036891A (en) Process for the production of water of hydrogen having an increased deuterium content
US2741543A (en) Process for the production of deuterium oxide
GB865273A (en) Reactor suitable for vapour phase reactions and its use in the oxidation of organic compounds
NO142418B (no) Elektrisk gjennomfoering samt fremgangsmaate til fremstilling av denne.
GB1352759A (en) Processing of coke oven gas
GB948786A (en) An improvement in synthesis of urea
US3711544A (en) Heat recovery in urea synthesis
GB1239957A (en) Process for the separation of acrylonitrile and acetonitrile
GB952335A (en) Process for the production of deuterium enriched ammonia
GB917004A (en) Improvements in or relating to the synthesis of urea
GB1259976A (en) Urea synthesis process
GB956283A (en) A process of purifying recycle ammonia
GB1288309A (enExample)
US3005517A (en) Acrylonitrile recovery process
GB928179A (en) Method of washing effluent gases from chlorination of acetic acid
GB1091925A (en) Process for the preparation of urea
US3239310A (en) Process for enriching ammonia in deuterium
US3072721A (en) Production of urea from ammonia and co2
GB864026A (en) Process for the production of water or hydrogen enriched with deuterium
GB771640A (en) Improvements in or relating to production of isopropyl nitrate
GB1098508A (en) Improvements in or relating to a process for synthesizing urea
GB957361A (en) Improvements in or relating to processes for the production of melamine
ES396661A1 (es) Un procedimiento de sintesis de urea.
GB978522A (en) Benzene catalytic oxychlorination
GB867736A (en) Process for the concentration of heavy water