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- W4361761790 abstract "The present work addresses the optimization of process parameters for adsorptive removal of α-toluicacid by calcium peroxide (CaO 2 ) nanoparticles using response surface methodology (RSM). CaO 2 nanoparticleswere synthesized by chemical precipitation method and confirmed by Transmission electron microscopy(TEM) and high-resolution TEM (HRTEM) analysis which shows the CaO 2 nanoparticles sizerange of 5–15 nm. A series of batch adsorption experiments were performed using CaO 2 nanoparticlesto remove α-toluic acid from the aqueous solution. Further, an experimental based central compositedesign (CCD) was developed to study the interactive effect of CaO 2 adsorbent dosage, initial concentrationof α-toluic acid, and contact time on α-toluic acid removal efficiency (response) and optimization ofthe process. Analysis of variance (ANOVA) was performed to determine the significance of the individualand the interactive effects of variables on the response. The model predicted response showed a goodagreement with the experimental response, and the coefficient of determination, ( R 2 ) was 0.92. Amongthe variables, the interactive effect of adsorbent dosage and the initial α-toluic acid concentration wasfound to have more influence on the response than the contact time. Numerical optimization of processby RSM showed the optimal adsorbent dosage, initial concentration of α-toluic acid, and contact timeas 0.03 g, 7.06 g/L, and 34 min respectively. The predicted removal efficiency was 99.50%. The experimentsperformed under these conditions showed α-toluic acid removal efficiency up to 98.05%, which confirmedthe adequacy of the model prediction." @default.
- W4361761790 created "2023-04-04" @default.
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- W4361761790 date "2017-09-01" @default.
- W4361761790 modified "2023-09-27" @default.
- W4361761790 title "Optimization of adsorptive removal of α-toluic acid by CaO 2 nanoparticles using response surface methodology" @default.
- W4361761790 doi "https://doi.org/10.18799/24056529/2017/3/134" @default.
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