METHOD OF EXTRACTION OF CADMIUM AND ZINC FROM NATURAL AND WASTEWATER Russian patent published in 2017 - IPC C22B19/00 C22B3/24 C02F1/28 

Abstract RU 2622204 C1

FIELD: chemistry.

SUBSTANCE: method involves sorption using sorbent and elution of sorbed ions. For the sorption, stationary phases are introduced by introducing polystyrene-azo-benzene-azo-rhodanine polymeric chelating sorbent into the solution of the initial waters and the sorption process is carried out. The process is carried out at room temperature, pH 6-8 in dynamic mode with a water flow rate of 2 ml/min.

EFFECT: ability to selectively concentrate ions of cadmium and zinc in the presence of ions, a high sorption capacity of the sorbent for the ion of cadmium and zinc, the possibility of sorption in a weakly acidic and neutral medium, repeated use.

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RU 2 622 204 C1

Authors

Babuev Magomed Abdurakhmanovich

Arslanbejkov Ruslan Khizrievich

Uvajsova Saida Magomedzagirovna

Dates

2017-06-13Published

2016-03-30Filed