Coadsorption of antibiotic amoxicillin and hexavalent chromium from saline water by seaweed-based porous activated carbon
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ABSTRACT The seaweed, kelp was used as a precursor for the preparation of activated carbon by phosphoric acid activation. The effect of heat treatment on the porous and adsorption properties of the prepared activated carbon was investigated by N 2 adsorption–desorption isotherms. Additionally, the coadsorption of antibiotic amoxicillin and chromium from saline water onto the activated carbon from the seaweed was evaluated. The Freundlich isotherms for the adsorption of amoxicillin indicated that the adsorption capacities of the prepared activated carbon from seawater were significantly higher when heat treated at 400°C and 500°C than 200°C and 300°C. On the other hand, for the adsorption of hexavalent chromium, findings were the direct opposite. The adsorption processes of amoxicillin and hexavalent chromium were well described by the pseudo-second-order kinetic model. The optimum pH was around 6.3 for the adsorption of hexavalent chromium in the mixed system containing amoxicillin and hexavalent chromium onto AC400.
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Previous research focused on utilizing macroalgae to synthesize carbon materials for catalysts, supercapacitors, and lithium-sulfur batteries.
“Previous research studies focused on the utilization of macroalgae to synthesize carbon materials applied in fields such as catalysts, supercapacitors, and lithium-sulfur batteries [28-34].”
From Preparation of Microporous Carbon from <i>Sargassum horneri</i> by Hydrothermal Carbonization and KOH Activation for CO<sub>2</sub> Capture (2018) · cites this paper as [28]
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- Authors
- Gan, H., Cai, J., Zhang, C., Dong, Z., Jin, H., & Zhang, K.
- Affiliations
- NingboTech University (CN)
- Corresponding author
- Gan, Huihui
- Venue
- Desalination and Water Treatment
- Publisher
- Elsevier BV
- Published
- 2017-03
- Volume
- 67
- Pages
- 389-396
- ISSN
- 1944-3986 (ISSN-L)
- OpenAlex
- W2607068448
- Cited by
- 3
- References
- 47
- Citations by year
- 2026: 1 · 2022: 1 · 2018: 1
- FWCI
- 0.15
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Desalination and Water Treatment (publishedVersion, cc-by-nc-nd)
- Topics
- Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
- Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
- Physical Sciences › Chemistry › Spectroscopy › Adsorption, diffusion, and thermodynamic properties of materials
- Keywords
- amoxicillin, hexavalent chromium, coadsorption, kelp, phosphoric acid activation, heat treatment, saline water, antibiotic removal, heavy metal removal, Freundlich isotherm, pseudo-second-order kinetics, pH effect on adsorption
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