METHOD OF LEACHING-OUT BENEFICIAL COMPONENTS AND LEACHING SOLUTION FOR REALIZATION OF THIS METHOD

• Main Authors: PEVGOV VJACHESLAV GENNAD'EVICH, MUSHTA VIKTOR MIKHAJLOVICH, GONCHARKO EVGENIJ VIKTOROVICH, DOBROSKOKIN VIKTOR VASIL'EVICH
• Format: Patent
• Language: English; Russian
• Published: 27.08.2006
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; FERROUS OR NON-FERROUS ALLOYS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF ALLOYS OR NON-FERROUS METALS

FIELD: mining art; geo-technological methods of extraction of minerals; treatment of ores by leaching. ^ SUBSTANCE: proposed method includes saturation of ore crushed beforehand with solution followed by collection and discharge of productive solution for reworking. Crushed ore is flooded and/or washed with water activated with plasma, after which plasma-activated water is discharged and filtered and leaching solution is prepared on its base for flooding and/or washing the ore; then, leaching reaction is conducted after which leaching solution is discharged, filtered and concentration of beneficial components contained in this solution is measured; if necessary, some more leaching cycles are performed with the use of leaching solution of previous cycle till required concentration of beneficial components has been obtained. Leaching solution used for realization of this method contains plasma-activated water, reagent-solvent, pH corrector at the following ratio per 1000 kg: reagent-solvent, 1-5 kg; pH corrector, 0-2 kg; the remainder being plasma-activated water; cyanide or chlorine, or iodine, or bromine, or thiosulfate is used as reagent-solvent; lime or caustic soda is used as pH corrector. ^ EFFECT: reduced power requirements; low cost of reagents; enhanced efficiency. ^ 3 cl, 4 ex