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Reusable Bentonite Clay: Modelling and Optimization of Hazardous Lead and P -Nitrophenol Adsorption Using a Response Surface Methodology Approach by Mohamed Zbair; Zakaria Anfar; Hassan Ait Ahsaine is a Materials Science article available to read on EtoBox.
What is Reusable Bentonite Clay: Modelling and Optimization of Hazardous Lead and P -Nitrophenol Adsorption Using a Response Surface Methodology Approach about?
In this work, bentonite clay (BC) calcined at 500 °C was used as an adsorbent (BC-500) for the adsorption of Pb^2+^ and __p__-nitrophenol. The ability of BC-500 for the removal of Pb^2+^ and __p__-nitrophenol has been investigated. The adsorption studies tailored well the pseudo-first-order and the Langmuir model for Pb^2+^ and __p__-nitrophenol both. In addition, the optimal removal of Pb^2+^ and __p__-nitrophenol was found at pH 5 for Pb^2+^ and pH 6 for __p__-nitrophenol. However, the change of temperature (20–60 °C) was found to have a negative effect on the adsorption process on BC-500. Based on the Dubinin–Radushkevich model the adsorption occurs __via__ a physical process. Accordingly, the adsorption mechanism was proposed using N~2~-physisorption analysis before and after adsorption of Pb^2+^ and __p__-nitrophenol. The reusability of BC-500 was examined and the outcomes recommended that BC-500 had good potential as an economic and proficient adsorbent for Pb^2+^ or __p__-nitrophenol from contaminated water. Finally, the experimental Pb^2+^ and __p__-nitrophenol removal efficiency were found to be 90.93 ± 2.15% and 98.06 ± 1.87% while the predicted value by model equals 91.2
Who reads Reusable Bentonite Clay: Modelling and Optimization of Hazardous Lead and P -Nitrophenol Adsorption Using a Response Surface Methodology Approach?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Mohamed Zbair; Zakaria Anfar; Hassan Ait Ahsaine
- Publisher
- The Royal Society of Chemistry
- Published
- 2019
- Language
- EN
- Field
- Materials Science (Physical Sciences)
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