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논문 기본 정보

자료유형
학술저널
저자정보
Abel Adekanmi Adeyi (Afe Babalola University Ado-Ekiti) Nathan Kura Bitrus (Afe Babalola University Ado-Ekiti) Luqman Chuah Abdullah (Universiti Putra Malaysia) Lekan Taofeek Popoola (Afe Babalola University Ado-Ekiti) Maureen Chijioke-Okere (Federal University of Technology Owerri (FUTO)) Oluwagbenga Olawale Omotara (Afe Babalola University Ado-Ekiti) Shihab Ezzuldin M.Saber (Universiti Putra Malaysia)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제28권 제1호
발행연도
2023.2
수록면
34 - 44 (11page)

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초록· 키워드

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Manganese dioxide was laden hooked on biochar sourced from chicken feather to obtain a biochar-supported manganese dioxide (BSM) composite. In order to reduce the costs of acquisition and minimise the disposal of adsorbents, prepared BSM composite were employed in the sequestration of Levofloxacin (LEVO) from aqueous environment. The physico-chemical features and the adsorption mechanisms of prepared BSM, prior and after the adsorption of LEVO molecules were revealed by Scanning Electron Microscopy and Fourier Transform Infrared spectroscopy techniques. The influence of adsorption parameters including BSM dose, initial concentration, temperature and residence time were studied. The removal of LEVO was significantly influenced by all parameters. Equilibrium data has its fitness in the following order: Redlich-Peterson ˃ Langmuir ˃ Freundlich models. The maximum adsorption capacity of BSM for LEVO was 104.13 mg/g. The kinetic analysis indicates best fittings for pseudo-second-order model suggesting chemisorption as controlled mechanism. Besides, liquid film and intra-particle diffusion had a vital influence on the LEVO sequestration process. Exothermic and spontaneous nature of LEVO uptake by BSM was revealed by thermodynamic analysis. The findings suggested that prepared BSM show high sorption capacity, and recyclability potential towards separation of LEVO from contaminated pharmaceutical wastewater.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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