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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
C01C1/0417—Preparation of ammonia by synthesis from N2 and H2 in presence of a catalyst characterised by the synthesis reactor, e.g. arrangement of catalyst beds and heat exchangers in the reactor
C01C1/0423—Cold wall reactors
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
B01J8/0005—Catalytic processes under superatmospheric pressure
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
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FR672403D1929-04-021929-04-02Appareil pour l'exécution de réactions catalytiques entre gaz sous pression et à haute température
ExpiredFR672403A
(fr)
Procédé et appareil pour la réalisation de réactions exothermiques entre des gaz, en particulier pour la synthèse de l'ammoniaque sous haute pression
Procédé et dispositif pour le refroidissement de réactions exothermiques catalytiques entre des gaz, en particulier dans la synthèse d'ammoniaque sous des pressions élevées
Procédé pour la récupération de chaleur et le refroidissement des parois d'appareils destinés à l'exécution de réactions gazeuses exothermiques