Novel heterogeneous base nanocatalysts supported on a spray dried gamma alumina applying optimized production of biodiesel from waste cooking oil

Yazdani, Farshad; Akia, Mandana; Khanbolouk, Faraz; Hamze, Hoda; Arandiyan, Hamidreza

doi:10.1080/17597269.2019.1613749

Cited by 15 publications

(1 citation statement)

References 24 publications

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“…Waste cooking oil+methanol γ-alumina+coconut chaff 93.84 [40] Vegetable oil+methanol Alumina+KI 97.70 [41] Waste cooking oil+methanol Alumina+sulfated zirconia 93.50 [42] Karanja oil+methyl acetate γ-alumina 70 [43] Rubber seed oil+methanol Alumina+CaO+KI 91.60 [44] Canola oil+methanol KOH+carbonated alumina+calcium oxide 96.30 [45] Waste cooking oil+methanol K/Fe 2 O 3 /γ-alumina 99 [46] Waste cooking oil+methanol γ-alumina+KOH, LiNO 3 , NaOH 99 [47] Waste cooking oil+methanol+acetone Alumina+CaCO 3 97.98 [48] Palm oil+methanol γ-alumina+CaO 90.11 [49] Non-edible oil+methanol Alumina+molybdenum 80.90 [50] Soybean oil+oleic acid+ethanol α-alumina 80.3 This study Sulfated α-alumina 93.4…”

Section: Oil and Alcoholmentioning

confidence: 99%

Microstructure and morphology of mechanically sulfated acid catalysts of α-Al2O3

et al. 2021

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This work reports the evaluation of the microstructure, morphology, and catalytic behavior of α-Al 2 O 3 synthesized via combustion method for esterification reaction of oleic acid in soybean oil with ethanol to produce biodiesel. The reaction was evaluated with 2 wt% of catalyst at 160 °C for 3 h when the molar ratio of fatty acid:ethanol was 1:12. To enhance the catalytic performance of α-Al 2 O 3 , its sulfation was done by a different method using mechanical milling. The microcatalysts were characterized by X-ray diffraction, Fourie transform infrared spectroscopy, granulometric analysis, and scanning electron microscopy. Results showed α-Al 2 O 3 as the major phase, presence of SO 4 2groups, the contribution of the sulfation process to morphology with reduction of agglomerates, and particle size from 18.98 to 15.30 mm. The yield of ester was enhanced from 80% (α-Al 2 O 3 as a catalyst) to 93% (SO 4 2-/α-Al 2 O 3 as a catalyst), which showed the milling as a fast method for synthesis of a highly efficient acid catalyst to produce biodiesel.

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