ИЗВЛЕЧЕНИЕ ИНДИЯ ИЗ РАСТВОРОВ ВЫСОКОДИСПЕРСНЫМИ МОДИФИЦИРОВАННЫМИ АЛЮМОСИЛИКАТАМИ
Аннотация
Получены изотермы адсорбции индия, железа и цинка из поликомпонентных растворов на модифицированном ди(2-этил-гексил)фосфорной кислотой монтмориллоните. Показано, что процессы адсорбции могут быть достоверно описаны с помощью моделей Ленгмюра и Фрейндлиха. Форма изотерм определяется как свойствами поверхности сорбента, так и формами нахождения ионов металлов в водных растворах. Установлен ряд сродства реагента «Метозоль» к извлекаемым ионам металлов из раствора с предварительно восстановленным железом(III): In3+ > Fe2+ > Zn2+, что обуславливает целесообразность его использования для селективной сорбции индия из сложных по составу технологических растворов цинкового производства.
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