PROCESS FOR RECOVERY OF RARE METALS

摘要

PROCESS FOR RECOVERY OF RARE METALS Rare metals are recovered in high yields by contacting a strongly acidic solution containing at least one rare metal selected from the group consisting of gallium, uranium, molybdenum, rubidium, cesium, strontium, yttrium, niobium, tantalum, tungsten, ruthenium, osmium, rhodium, iridium, palladium, platinum, thallium and europium with a chelate resin having at least one phosphorus atom-containing functional group selected from phosphine group, phosphonium salt group, phosphinic acid group, phosphinic acid ester group, phosphonic acid group, phosphonic acid ester group and metal salts of these acids.