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- W4306292718 abstract "The target of this study is to utilize hazardous white brick waste powder as a heterogeneous catalyst for biodiesel production through the transesterification process of waste cooking oil (WCO) and methanol. Physico-chemical characterization of the processed waste has been carried out using various techniques including TGA, XRD, FT-IR, BET surface area, FE-SEM & mapping EDX, XRF, and CO2-TPD. The influence of calcination temperature on the catalytic activity is studied. The optimization process of variable independent parameters i.e., catalyst loading, reaction temperature and time as well as alcohol:WCO molar ratio is performed via response surface methodology (RSM) through central composite design (CCD). Optimum conditions (biodiesel conversion = 92.7%) are: catalyst loading 1.3%; temperature 64 °C; methanol:WCO molar ratio of 5.5:1; and reaction time 139 min. Kinetic parameters, i.e., rate constant (k), activation energy (Ea = 25.95 kJ/mol) and thermodynamic parameters, i.e., ΔS# and ΔH# of −202.36 J/mol and +23.27 kJ/mol, respectively, are estimated. The reusability of the prepared catalyst is performed up to six consecutives cycles with marginal loss in activity. Physico-chemical properties of the prepared biodiesel are comparable with the ASTM D-6751 and EN-14214 standard ranges." @default.
- W4306292718 created "2022-10-15" @default.
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- W4306292718 date "2022-11-01" @default.
- W4306292718 modified "2023-10-16" @default.
- W4306292718 title "Valorization of hazard waste: Efficient utilization of white brick waste powder in the catalytic production of biodiesel from waste cooking oil via RSM optimization process" @default.
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- W4306292718 doi "https://doi.org/10.1016/j.renene.2022.10.045" @default.
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