THE STUDY OF ION-EXCHANGE EQUILIBRIUM OF HEAVY METAL IONS Cо2+ AND Cd2+ ON THE NATURAL AND SYNTHETIC SORBENTS
نویسندگان
چکیده
These article summaries the results of studying sorption equilibrium ions close to their concentration in liquid industrial waste. For experimental research, solutions with Со2+ and Cd2+ range 1·10-3–1·10-4 N have been used. concentrations match ion con¬cen¬tration waste mentioned. In experiments, Na+- modified forms natural sorbents based on clinoptilolite from Aydag deposit bentonite Dash-Salakhli (Azerbaijan) were comparison, among sorbents, we used synthetic cation exchanger KU–2–8 (styrene divinylbenzene co–poly¬mer), which H+, Na+-form. The thermodynamic constant ion-exchange for differently charged ions, calculated by Gorshkov-Tolmachev formula, does not depend solution concentration, calculate this value, it is required determine activity coefficient. Based experiments concentrations, can recommend inexpensive available Na-clinoptilolite Na-bentonite instead KU-2-8 extraction Co2+ wastewater
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ژورنال
عنوان ژورنال: Azerbaj?an himiâ žurnaly
سال: 2022
ISSN: ['2522-1841', '0005-2531']
DOI: https://doi.org/10.32737/0005-2531-2022-4-122-127