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Rhodamine B removal with activated carbons obtained from lignocellulosic waste
Open accessAbstract
By-products from the wax production process from carnauba palm (leaves), from the extraction of oil from macauba seeds (endocarp) and from pine nut production (shell) have been assessed for activated carbon production, using H3PO4 or CaCl2 for their chemical activation. The resulting activated charcoals have been thoroughly characterized by elemental and thermal analysis, X-ray diffraction, infrared spectroscopy, electron scanning microscopy and N2 adsorption behavior. Subsequently, their adsorption capacity for the removal of rhodamine B (RhB) from aqueous solutions has been evaluated by studying different parameters: contact time, pH, adsorbent dose, initial dye concentration and solution temperature. The adsorption of RhB followed Freundlich's model in all cases. Kinetic studies indicate that the pseudo-second order model can be used for describing the dynamics of the adsorption process. Thermodynamic parameters have also been evaluated, indicating its endothermic and spontaneous nature. Finally, a preliminary analysis of the impact of cellulose content in the carbon precursor materials has been conducted, by using a mixture of native cellulose with one of the lignocellulosic materials.
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Cites
Sing, K. S. W. (1985) · Pure and Applied Chemistry · doi:10.1351/pac198557040603 · Cited by 24,485
The adsorption of gases on plane surfaces of glass, mica and platinum
Langmuir, I. (1918) · Journal of the American Chemical Society · doi:10.1021/ja02242a004 · Cited by 23,242
Activated carbons prepared from hydrothermally carbonized waste biomass used as adsorbents for CO2
Hao, W., Björkman, E., Lilliestråle, M., & Hedin, N. (2013) · Applied Energy · doi:10.1016/j.apenergy.2013.02.028 · Cited by 277
Khezami, L., Chetouani, A., Taouk, B., & Capart, R. (2005) · Powder Technology · doi:10.1016/j.powtec.2005.05.009 · Cited by 236
Cited by
Enhanced adsorption of cationic dyes using sulfonic acid modified activated carbon
Goswami, M., & Phukan, P. (2017) · Journal of Environmental Chemical Engineering · doi:10.1016/j.jece.2017.07.016 · Cited by 209
Metadata
- Authors
- da Silva Lacerda, V., López-Sotelo, J. B., Correa-Guimarães, A., Hernández-Navarro, S., Sánchez-Báscones, M., Navas-Gracia, L. M., Martín-Ramos, P., & Martín-Gil, J.
- Venue
- Journal of Environmental Management
- Publisher
- Elsevier BV
- Published
- 2015-05
- Volume
- 155
- Pages
- 67-76
- ISSN
- 0301-4797 (ISSN-L)
- OpenAlex
- W1974851338
- Cited by
- 218
- References
- 4
- FWCI
- 9.62
- Type
- journal article
- Language
- en
- Open access
- green
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- da Silva Lacerda, V., López-Sotelo, J. B., Correa-Guimarães, A., Hernández-Navarro, S., Sánchez-Báscones, M., Navas-Gracia, L. M., Martín-Ramos, P., & Martín-Gil, J. (2015). Rhodamine B removal with activated carbons obtained from lignocellulosic waste. Journal of Environmental Management. https://doi.org/10.1016/j.jenvman.2015.03.007
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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