ZIRCONIUM AND HAFNIUM SEPARATION PROCESS
FIELD: processes for producing nuclear-pure zirconium, namely processes for purifying zirconium from hafnium, possibly in ore-processing plants and in nuclear industry. ^ SUBSTANCE: zirconium and hafnium separation process comprises steps of preparing aqueous solution of initial mixture containing s...
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| creator | GUZEEV VITALIJ VASIL'EVICH DUL'BEEV VLADIMIR VALERIEVICH SOKOLOV DMITRIJ SERGEEVICH |
| description | FIELD: processes for producing nuclear-pure zirconium, namely processes for purifying zirconium from hafnium, possibly in ore-processing plants and in nuclear industry. ^ SUBSTANCE: zirconium and hafnium separation process comprises steps of preparing aqueous solution of initial mixture containing salts of zirconium and hafnium; further multiple separation by crystallization of zirconium salts from saturated solution of hafnium; before crystallization providing generation of gaseous hydrates in order to remove excess solvent from solution due to saturating solution with hydrate-generating gas at lowered temperature. ^ EFFECT: lowered energy consumption for separating zirconium and hafnium, elimination of using chemical reagents for such process. ^ 4 cl, 5 tbl, 5 ex |
| format | Patent |
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further multiple separation by crystallization of zirconium salts from saturated solution of hafnium; before crystallization providing generation of gaseous hydrates in order to remove excess solvent from solution due to saturating solution with hydrate-generating gas at lowered temperature. ^ EFFECT: lowered energy consumption for separating zirconium and hafnium, elimination of using chemical reagents for such process. ^ 4 cl, 5 tbl, 5 ex</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; rus |
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| subjects | CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS SEPARATION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | ZIRCONIUM AND HAFNIUM SEPARATION PROCESS |
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