Evaluation of nopol production obtained from turpentine oil over Sn/MCM-41 synthesized by wetness impregnation using the Central Composite Design

Gallego-Villada, Luis A.; Alarcón, Edwin A.; Villa, Aída Luz

doi:10.1016/j.mcat.2020.111250

Cited by 6 publications

(2 citation statements)

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“…The superiorities of CCD consist of cost-effectiveness, the reduced number of experiments, as well as the easy access to evaluate the interactions among the variables. [39] In this study, NiO NPs as an efficient nanocatalyst was synthesized using the sol-gel as a rapid, simple, and inexpensive method. The prepared NPs was characterized using field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and X-ray diffraction analysis (XRD), and Fourier-transform infrared (FT-IR) spectroscopy.…”

Section: Chemistryselectmentioning

confidence: 99%

“…Central Composite Design (CCD) is a part of the RSM, which is used to model and optimize systems in which one or more responses are obtained via input factors and their interactions. The superiorities of CCD consist of cost‐effectiveness, the reduced number of experiments, as well as the easy access to evaluate the interactions among the variables [39] …”

Section: Introductionmentioning

confidence: 99%

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Preparation of β‐hydroxy Ketones via High Efficient Aldol Reaction over Nickel Oxide Nanoparticles as a Powerful and Reusable Heterogeneous Catalyst: Central Composite Design

2022

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Nickel oxide nanoparticles (NiO NPs) as a new catalyst were fabricated via the sol-gel method. The characterization of the synthesized nanocatalyst was assessed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Xray diffraction (XRD), and Fourier-transform infrared (FT-IR) spectroscopy. Its catalytic efficiency was evaluated in the aldol condensation reaction using an environmentally-friendly procedure. Among various solvents, including dimethyl sulfoxide (DMSO), dimethylformamide (DMF), tetrahydrofuran (THF), dichloromethane (CH 2 Cl 2 ), and water, the highest yield (82 %) was related to the water with room temperature, the reaction time of 5 h, and amount catalyst of 30 mmol. Response surface methodology (RSM) based on the central composite design (CCD) was applied to optimize the experimental factors of aldol reaction, as well as the investigation of interaction between the parameters. The results revealed that the temperature of 25 °C and a catalyst amount of 30 mmol had high performance (73.93 %). The preparation of catalyst was accomplished using inexpensive and easily available materials. The synthesized NPs were found to be an efficient and reusable catalyst for the aldol reaction.

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Section: Chemistryselectmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%