Influence of pH on distribution coefficients of lithium and impurity elements in sorption


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Abstract

The possibility of purifying lithium-containing solutions to remove chemical impurities by sorption in the batch mode was examined. Sulfonic (KU 2-8, Purolite C100, Resinex KW-8), carboxylic (SG-1, Purolite C104FL, Resinex KW-H), and phosphoric acid (Purolite S957) cation-exchange resins were used as sorbents. The distribution coefficients of lithium and impurity elements (sodium, potassium, magnesium, calcium, iron) at different pH values were determined experimentally. The lithium/impurity separation factors were calculated.

About the authors

T. S. Volkova

Ozersk Institute of Technology, Moscow Engineering Physics Institute; Mayak Production Association

Author for correspondence.
Email: volkovahim@mail.ru
Russian Federation, pr. Pobedy 48, Ozersk, Chelyabinsk oblast, 456783; pr. Lenina 31, Ozersk, Chelyabinsk oblast, 456796

V. V. Rudskikh

Ozersk Institute of Technology, Moscow Engineering Physics Institute; Mayak Production Association

Email: volkovahim@mail.ru
Russian Federation, pr. Pobedy 48, Ozersk, Chelyabinsk oblast, 456783; pr. Lenina 31, Ozersk, Chelyabinsk oblast, 456796

K. A. Dzhevello

Ozersk Institute of Technology, Moscow Engineering Physics Institute; Mayak Production Association

Email: volkovahim@mail.ru
Russian Federation, pr. Pobedy 48, Ozersk, Chelyabinsk oblast, 456783; pr. Lenina 31, Ozersk, Chelyabinsk oblast, 456796

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