METAL EXTRACTION PROCESS

FIELD: metal recovery processes. ^ SUBSTANCE: process comprises keeping metal-containing matrix in high-pressure chamber within solvent medium in presence of water and fluorine-containing organic acid followed by accumulation of extracted metal in solution. Organic acid utilized is selected from di(...

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Hauptverfasser:	SHADRIN ANDREJ JUR'EVICH, KAMACHEV VJACHESLAV ANATOL'EVICH, BYCHKOV SERGEJ IVANOVICH, SHAFIKOV DENIS NASIKHOVICH, BABAIN VASILIJ ALEKSANDROVICH, PODOJNITSYN SERGEJ VLADIMIROVICH, BONDIN VLADIMIR VIKTOROVICH, EFREMOV IGOR' GENNAD'EVICH, MURZIN ANDREJ ANATOL'EVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	DECONTAMINATION ARRANGEMENTS THEREFOR 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:	FIELD: metal recovery processes. ^ SUBSTANCE: process comprises keeping metal-containing matrix in high-pressure chamber within solvent medium in presence of water and fluorine-containing organic acid followed by accumulation of extracted metal in solution. Organic acid utilized is selected from di(octafluoroformyl)phosphoric acid, di(dodecafluoroheptyl)phosphoric acid, and mixture of acid with trialkyl phosphate. Solvent is used in its liquid state. ^ EFFECT: enabled recovery of radionuclides from solid phase. ^ 2 cl, 4 tbl, 4 ex