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Title: DEVELOPMENT OF ADSORPTIVE METHOD FOR REMOVAL OF AZITHROMYCIN FROM WASTEWATER TREATMENT PLANT EFFLUENT USING ACID-MODIFIED NATURAL ZEOLITES
DEVELOPMENT OF ADSORPTIVE METHOD FOR REMOVAL OF AZITHROMYCIN FROM WASTEWATER TREATMENT PLANT EFFLUENT USING ACID-MODIFIED NATURAL ZEOLITES

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Imeda Rubashvili; Ketevan Ebralidze; Marine Zuatashvili; Vladimer Tsitsishvili
10.5593/sgem2023V/3.2/s12.12
10.5593/sgem2023v/3.2
1314-2704
978-619-7603-64-4
English
23
3.2
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE •    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Hydrology and Water Resources
The present work is the first case where the adsorptive removal of the most commonly used antibiotic - azithromycin from aqueous solution as a model of wastewater treatment plant effluent by acid-modified natural zeolite - clinoptilolite has been investigated. The adsorption processes were carried out under static and dynamic conditions. The acid-modified form of the above-mentioned natural zeolite were obtained with hydrothermal treatment by using 2M hydrochloric acid solution. In order to investigate the adsorption dynamic process, there was used the specially constructed laboratory dynamic type instrument with a fixed bed adsorption glass column and a high-pressure pump. The effect of the inlet concentration, the flow rate and the pH value of the antibiotic influent solution, also, the contact time of system zeolite/antibiotic solution in the adsorption process were studied. The adsorption was evaluated using the Langmuir adsorption model. In order to determine quantitively azithromycin in influent and effluent solutions, a new effective and specific high performance liquid chromatography method was used. The results have been shown that the studied acid-modified clinoptilolite were characterized with high dynamic adsorption capacity. The adsorption mechanism was mainly composed of electrostatic interaction between the zeolite surface and adsorbate - azithromycin. This study has been shown and proved that acid-modified natural clinoptilolite could be an efficient, eco-friendly, alternative and competitive adsorbent in terms of cheapness, selectivity and adsorption efficacy for the removal of azithromycin from hospital, pharmaceutical industrial wastewaters and wastewater treatment plant effluents.
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conference
https://doi.org/10.5593/sgem2023V/3.2/s12.12
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Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 28-30 November, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
95-102
28-30 November, 2023
website
9397
Adsorption, Natural Zeolite, Azithromycin, Wastewater