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Reprocessing of Irradiated Thorium A Resume of Development Activities 247
The Separation of Rare Earths from Ore Leaching Liquor II The Preparation
Solvent Extraction of Palladium from Chloride Media with Petroleum Sulfides in the 482
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activity adsorption alkali ammonium anion anode antimony aqueous phase aqueous solution arsenic calculated cathode cell chemical Chemistry China chitosan chloride cobalt cobalt(II coefficient column complex composition compounds constant containing copper extractants counter—current current density curve Cyanex D2EHPA decrease desorption determined diffusion effect efficiency electrochemical electrode electrolyte electrowinning emulsifier emulsion equation equilibrium experimental extractors flow gallium germanium heavy phase HEHEHP HLB value hydrolysis Hydrometallurgy impurities increase industry interface ion exchange jarosite kinetics layer liquid membrane mass transfer metal ions Metallurgy method micella mixed extraction system mixing chamber mixture nickel niobium obtained organic phase overpotential oxide parameters precipitation production raffinate rare earths ratio reaction reagents recovery resin RESULTS AND DISCUSSION salt scandium separation shown in Fig solubility solvent extraction stage stripping solution studied sulfuric acid sulphate surface surfactant temperature tion tungsten uranium yttrium zinc