Utilization of bottom ash as a low-cost sorbent for the removal and recovery of a toxic halogen containing dye eosin yellow
Desalination and Water Treatment, ISSN: 1944-3986, Vol: 52, Issue: 22, Page: 4508-4519
2014
- 87Citations
- 31Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Removal and recovery of a hazardous halogen-containing dye Eosin Yellow were investigated using Bottom Ash as adsorbent. During the studies various essential factors influencing the adsorption, like sieve size of adsorbent, adsorbate concentration, amount of adsorbent, pH of the solution, contact time, and temperature have been monitored. Attempts have also been made to verify Langmuir, Freundlich, Tempkin, and D-R adsorption isotherm models. The feasibility of the ongoing adsorption has been ascertained on the basis of Langmuir adsorption isotherm. The free energy, entropy, and enthalpy of the ongoing adsorption process have been evaluated as about 26 kJ mol −1, 22 kJ mol −1, and 20 kJ mol −1, respectively. Contact time studies reveal that the ongoing adsorption equilibrate within 3 h of contact. It is found that the adsorption of Eosin Yellow over Bottom Ash follows a pseudo-second-order kinetics. At all the temperatures rate constant of the process was calculated around 5 × 10 −8 sec g mol −1. During bulk removal through column operation about 97% percentage saturation of the dye is obtained. Desorption studies exhibit that the percentage recovery of Eosin Yellow dye on eluenting NaOH solution through exhausted column is about 90%.
Bibliographic Details
Elsevier BV
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