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C01C1/02—Preparation, purification or separation of ammonia
C01C1/04—Preparation of ammonia by synthesis in the gas phase
C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
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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AT6264A1963-01-101964-01-07Verfahren und Vorrichtung zur Einstellung des Druckes einer Wärmeaustauschflüssigkeit
AT253464B
(de)
Einrichtung zur kontinuierlichen Konzentration einer Flüssigkeit bei Verdampfung derselben durch Wärmeaustausch zwischen ihr und einem wärmeabgebenden Medium
Verfahren zum Anlassen einer Dampferzeugungsanlage mit Zwangsdurchlauf des verdampfbaren Mediums und Dampferzeugungsanlage zur Durchführung des Verfahrens