PROCESSING METHOD FOR RADIOACTIVATED GRAPHITE

PROBLEM TO BE SOLVED: To provide a method for efficiently and stably processing radioactivated graphite. SOLUTION: This processing method of radioactivated graphite comprises (1) a process for pulverizing graphite waste, (2) a process for burning the pulverized graphite to turn it into carbon dioxid...

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Bibliographische Detailangaben
Hauptverfasser:	MIYAKE TAKASHI, KITA YOSHIHIRO, SAIKI HIDEO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS THEREOF DECONTAMINATION ARRANGEMENTS THEREFOR INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS NUCLEAR ENGINEERING NUCLEAR PHYSICS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT SEPARATION TRANSPORTING TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for efficiently and stably processing radioactivated graphite. SOLUTION: This processing method of radioactivated graphite comprises (1) a process for pulverizing graphite waste, (2) a process for burning the pulverized graphite to turn it into carbon dioxide gas (a) or into carbon monoxide gas (b), (3) a process for recovering C-14 methane from the carbon dioxide gas (a) or the carbon monoxide gas (b) by reduction and isotope separation, and (4) a thermal decomposition process for thermally decomposing the C-14 methane to turn it into C-14 carbon; and (5) the reduction is executed in the presence of a noble metal catalyst.