Sorption and desorption of pertechnetate on biochar under static batch and dynamic conditions
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Đukić, Anđelka B.
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The objective of this study was the utilization of three different biochars for pertechnetate removal from aqueous solutions. Biochars were prepared by slow pyrolysis from different feedstocks, characterized by BET, acid-base titration, SEM, XRD and FTIR and tested for their pertechnetate sorption using batch and dynamic techniques. Effect of various physico-chemical parameters such as contact time, pH and the presence of different ions in the solution on the sorption of pertechnetate onto biochars was investigated. Perrhenate as an analogue of pertechnetate was used for modeling of adsorption isotherms.
Кључне речи:Biochar / Adsorption / Pertechnetate / Distribution coefficient / Ion exchange / Isotherm
Извор:Journal of Radioanalytical and Nuclear Chemistry, 2016, 310, 1, 253-261
- Slovak Research and Development Agency, Ministry of Education and Science of Republic of Serbia [SK-SRB-2013-0048], [APVV SK-AT-2015-0003]
ISSN: 0236-5731 (print); 1588-2780 (electronic)