DE2614311

1520576 Isotope exchange COMMISSARIAT A L'ENERGIE ATOMIQUE 17 March 1976 [4 April 1975] 10676/76 Heading C1A In a dual-temperature isotope exchange process, the cold exit gas from the cold tower is passed into a first and then into a second direct-contact heat exchanger; in the first it is cont...

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Main Authors ROTH, ETIENNE, SURESNES, FR, COURVOISIER, PIERRE, GRENOBLE, FR, LEFRANCOIS, BERNARD, VERNEUIL-EN-HALATTE, FR, BRIEC, MICHEL, ORSAY, FR
Format Patent
LanguageEnglish
Published 21.11.1985
Edition4
Subjects
BLASTING
CHEMISTRY
COMPOUNDS THEREOF
HEAT EXCHANGE IN GENERAL
HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
HEATING
INORGANIC CHEMISTRY
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
WEAPONS
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Summary:1520576 Isotope exchange COMMISSARIAT A L'ENERGIE ATOMIQUE 17 March 1976 [4 April 1975] 10676/76 Heading C1A In a dual-temperature isotope exchange process, the cold exit gas from the cold tower is passed into a first and then into a second direct-contact heat exchanger; in the first it is contacted with hot liquid in the main liquid circuit, and in the second it is contacted with a mixture of hot liquid from the hot tower, and hot liquid in an auxiliary circuit that has been heated by indirect exchange with hot gas leaving the hot tower; between the second and the first direct-contact heat-exchangers the hot liquid is divided to give the auxiliary circuit flow and the main liquid circuit flow. Suitable apparatus is also claimed. The exemplified process is the production of D- rich hydrogen using a liquid amine carrying a dissolved catalyst, e.g. methylamineŒtrimethylamine with potassium methylamide as catalyst.
Bibliography:Application Number: DE19762614311