Adsorptive Removal of Methylene Blue and Crystal Violet onto Micro-Mesoporous Zr3O/Activated Carbon Composite: A Joint Experimental and Statistical Modeling Considerations
Abstract:Zirconium oxide/activated carbon (Zr3O/AC) composite was synthesized to remove methylene blue (MB) and crystal violet (CV) from the aqueous medium. The Zr3O/AC sample was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray analyses (EDS), Raman spectroscopy (RS), BET surface area, and Fourier transform infrared spectroscopy (FTIR). XRD profiles confirmed the successful synthesis of the zirconium oxide/activated carbon composite. SEM images showed multideveloped… Show more
“…ANOVA analysis (Table 2S †) was utilized in this work to determine the adequacy of the predicted model. 97,98 Therefore, 'P-value' less than 0.05 infer that designed models were significant for both ketoprofen and aspirin. The correlation coefficient (R 2 ) and the adjusted correlation coefficient (R Adj 2 ) were close to 0.99 for both ketoprofen and aspirin systems, showing the existence of a good correlation between data.…”
Section: Optimization Using Response Surface Approachmentioning
Porous carbon from Laminaria digitata algae activated using NaOH (PCLD@NaOH) was prepared by a chemical activation approach and has been tested for the adsorption of ketoprofen and aspirin molecules.
“…ANOVA analysis (Table 2S †) was utilized in this work to determine the adequacy of the predicted model. 97,98 Therefore, 'P-value' less than 0.05 infer that designed models were significant for both ketoprofen and aspirin. The correlation coefficient (R 2 ) and the adjusted correlation coefficient (R Adj 2 ) were close to 0.99 for both ketoprofen and aspirin systems, showing the existence of a good correlation between data.…”
Section: Optimization Using Response Surface Approachmentioning
Porous carbon from Laminaria digitata algae activated using NaOH (PCLD@NaOH) was prepared by a chemical activation approach and has been tested for the adsorption of ketoprofen and aspirin molecules.
“…7a). Aer 5 cycles, the performance sorption decreased from: 65 99.52% / 97.16%, 95.86% / 94.30% and 93.45% / 92.01% for SA, Nap, and Keto molecules, respectively. The sorption regeneration test revealed that the Fe 2 O 3 /biochar could be effectively used as a promising adsorbent for SA, Nap, and Keto nonsteroidal molecules adsorption from aqueous solutions.…”
Section: Renewability Mechanism and Thermodynamic Behaviormentioning
confidence: 97%
“…Renewability is an important factor to evaluate the adsorbent pollutants adsorption. 64,65 The Fe 2 O 3 /biochar regenerated was investigated using ethanol for 4 hours of stirring. The sorption regeneration was repeated 5 times for SA, Nap, and Keto molecules (Fig.…”
Section: Renewability Mechanism and Thermodynamic Behaviormentioning
“…In this part of work, response surface methodology technique was used to optimize the adsorption process of Pb 2+ and p-nitrophenol in order to modelled the reaction pathways taking into account the inuence of different parameters as a function of lead and p-nitrophenol removal efficiency onto BC-500. 88,89 Therefore, the analysis of variance results (ANOVA) for lead or p-nitrophenol adsorption were presented in Table 10. Based on this statically analysis we conclude that: The term 'P-value' less than 0.05 implies that designed model is signicant for both lead or p-nitrophenol.…”
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