A MIXING METHOD AND DEVICE FOR SOLVENT EXTRACTION, ESPECIALLY IN HYDROMETALLURGICAL PROCESSES

A system and method are disclosed for mixing a suspension. The suspension may optionally have a low liquid viscosity. The suspension may, optionally, include a metallurgy solvent extraction (SX) mixture. The system and method may be at an industrial scale. In some embodiments, suspension may be stir...

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Bibliographische Detailangaben
Hauptverfasser:	Braginsky, Leonid, Kokotov, Yuri, Sheinman, Roman
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 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
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Beschreibung
Zusammenfassung:	A system and method are disclosed for mixing a suspension. The suspension may optionally have a low liquid viscosity. The suspension may, optionally, include a metallurgy solvent extraction (SX) mixture. The system and method may be at an industrial scale. In some embodiments, suspension may be stirred at high energy dissipation rate with a large impeller. The system may optionally include baffles. The impellor and/or the baffles may optionally include a rounded edge. The method may be applied to retrofitting a SX plant. The input feed to a mixing reactor may include an emulsion and/or multiple discrete phases. WO 2014/080408 PCT/IL2013/050970 FIG. 2 202 Start Supply mixing/agitating reactor -large pitched blade impeller -Baffles and -Controlled shear edges Input low viscosity SX mixture 208 -i Impart high energy 210 High rotation rate MO 212 Avoid high local dissipation 214 j Highly spread turbulence Spread energy 216 dissipation evenly 218 Separate