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Preparation of waste tea activated carbon using potassium acetate as an activating agent for adsorption of Acid Blue 25 dye
Abstract
Abstract Waste tea activated carbon (WTAC) was prepared through chemical activation with a novel activating agent, potassium acetate and used for the sorption of Acid Blue 25 (AB25) dye. Batch adsorption studies were carried out with the consideration of factors such as initial dye concentration (50–350 mg/L), temperature (30, 40, 50 °C), contact time and initial pH (2–12). This was done to enable the determination of kinetics and isotherms behaviour. Langmuir, Freundlich, Temkin and Dubinin–Radushkevich (D–R) isotherm models were tested and the adsorption of AB25 dye on WTAC was best fitted to Langmuir and the maximum monolayer of WTAC was 203.34 mg/g. Pseudo-second order kinetic model was found to adequately describe the adsorption process. The adsorbent, WTAC gave 97.88% adsorption of AB25 dye.
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Amin, N. K. (2009) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2008.09.067 · Cited by 547
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Removal of methylene blue by adsorption onto activated carbon developed from Ficus carica bast
Pathania, D., Sharma, S., & Singh, P. (2017) · Arabian Journal of Chemistry · doi:10.1016/j.arabjc.2013.04.021 · Cited by 1,028
Cazetta, A. L., Pezoti, O., Bedin, K. C., Silva, T. L., Paesano Junior, A., Asefa, T., & Almeida, V. C. (2016) · ACS Sustainable Chemistry & Engineering · doi:10.1021/acssuschemeng.5b01141 · Cited by 312
Adsorptive decontamination of rhodamine-B from water using banana peel powder: A biosorbent
Singh, S., Parveen, N., & Gupta, H. (2018) · Environmental Technology & Innovation · doi:10.1016/j.eti.2018.09.001 · Cited by 176
Waste tea as a novel adsorbent: a review
Hussain, S., Anjali, K. P., Hassan, S. T., & Dwivedi, P. B. (2018) · Applied Water Science · doi:10.1007/s13201-018-0824-5 · Cited by 166
Metadata
- Authors
- Auta, M., & Hameed, B. H.
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2011-07
- Volume
- 171
- Issue
- 2
- Pages
- 502-509
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W1972440755
- Cited by
- 287
- References
- 1
- FWCI
- 15.40
- Type
- journal article
- Language
- en
- Open access
- closed
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- Auta, M., & Hameed, B. H. (2011). Preparation of waste tea activated carbon using potassium acetate as an activating agent for adsorption of Acid Blue 25 dye. Chemical Engineering Journal. https://doi.org/10.1016/j.cej.2011.04.017
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
