Transesterification of waste canola oil by lithium/zinc composite supported on waste chicken bone as an effective catalyst

被引：34
作者：
AlSharifi, Mariam [1 ]
Znad, Hussein [1 ]
机构：
[1] Curtin Univ, WA Sch Mines Minerals Energy & Chem Engn, GPO Box U 1987, Perth, WA 6845, Australia
来源：
RENEWABLE ENERGY | 2020年 / 151卷
关键词：
Li/Zn chicken bone; FAME; Transesterification; Waste canola oil; Biodiesel; PRODUCTION PROCESS OPTIMIZATION; BIODIESEL PRODUCTION; HETEROGENEOUS CATALYST; COOKING OIL; PALM OIL; SOLID CATALYST; BASE CATALYSTS; CALCIUM-OXIDE; SOYBEAN OIL; CAO;
D O I：
10.1016/j.renene.2019.11.071
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this work, lithium/zinc based chicken bone catalyst (Li/Zn-Cb) was synthesised by wet impregnation method using different metal ratios (Li:Zn = 1:2, 2:2, and 2:1). The synthesised Li/Zn-Cb catalyst was characterized by FESEM, Brunauer-Emmett-Teller surface area (BET), X-ray diffraction (XRD), TG-DSC and Fourier-transform infrared spectroscopy (FT-IR). The feasibility and activity of Li/Zn-Cb catalyst for transesterification of waste canola oil (WCO) were investigated under different operating conditions. The results showed that integrating the chicken bone powder with Li:Zn = 2:2 could enhance the FAME content significantly (> 4 folds) to 98% at 60 degrees C reaction temperature, 3.5 h reaction time, catalyst dosage of 4% and 18:1 molar ratio of MeOH/WCO. The kinetic studies revealed that transesterification reaction follows the pseudo first order model with 23.20 kJ mol(-1) activation energy (Ea). The reusability studies show only 2% reduction in the FAME content after the 7th cycle of use. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：740 / 749
页数：10
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