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Adsorption of direct dye on palm ash: Kinetic and equilibrium modeling
Abstract
Palm ash, an agriculture waste residue from palm-oil industry in Malaysia, was investigated as a replacement for the current expensive methods of removing direct blue 71 dye from an aqueous solution. The experimental data were analyzed by the Langmuir and Freundlich models of adsorption. Equilibrium data fitted well with Freundlich model in the range of 50-600mg/L. The equilibrium adsorption capacity of the palm ash was determined with the Langmuir equation and found to be 400.01mg dye per gram adsorbent at 30 degrees C. The rates of adsorption were found to conform to the pseudo-second-order kinetics with good correlation. The results indicate that the palm ash could be employed as a low-cost alternative to commercial activated carbon.
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The textile industry has the highest water and chemical consumption compared to other industrial sectors, using over 8000 species.
“In comparison to other industrial sectors, the textile industry is known to have the highest water and chemical consumption, with over 8000 species being utilized [11][12][13].”
From Recent Advances in the Remediation of Textile-Dye-Containing Wastewater: Prioritizing Human Health and Sustainable Wastewater Treatment (2024) · cites this paper as [11]
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Dye and its removal from aqueous solution by adsorption: A review
Yagub, M. T., Sen, T. K., Afroze, S., & Ang, H. M. (2014) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2014.04.002 · Cited by 4,357
Periyasamy, A. P. (2024) · Sustainability · doi:10.3390/su16020495 · Cited by 652
Amin, N. K. (2009) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2008.09.067 · Cited by 547
A review on the applicability of adsorption techniques for remediation of recalcitrant pesticides
Bose, S., Senthil Kumar, P., Rangasamy, G., Prasannamedha, G., & Kanmani, S. (2023) · Chemosphere · doi:10.1016/j.chemosphere.2022.137481 · Cited by 72
de Assis, L. K., Damasceno, B. S., Carvalho, M. N., Oliveira, E. H. C., & Ghislandi, M. G. (2020) · Environmental Technology · doi:10.1080/09593330.2019.1567603 · Cited by 52
Metadata
- Authors
- Ahmad, A. A., Hameed, B. H., & Aziz, N.
- Venue
- Journal of Hazardous Materials
- Publisher
- Elsevier BV
- Published
- 2007-03-06
- Volume
- 141
- Issue
- 1
- Pages
- 70-76
- ISSN
- 0304-3894
- Cited by
- 220
- References
- 0
- Language
- en
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