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首页> 外文期刊>RSC Advances >Castor leaf mediated synthesis of iron nanoparticles for evaluating catalytic effects in transesterification of castor oil
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Castor leaf mediated synthesis of iron nanoparticles for evaluating catalytic effects in transesterification of castor oil

机译：蓖麻叶介导铁纳米粒子的合成，用于评估蓖麻油酯交换中的催化作用

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A castor ( Ricinus communis ) leaf extract mediated process was developed for the synthesis of iron nanoparticles. The resultant iron nanoparticles were used as a catalyst in the transesterification of castor oil. The iron nanoparticles were characterized using UV-visible absorption spectrophotometry (UV-visible), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), energy dispersive X-ray (EDX) and transmission electron microscopy (TEM). The TEM images confirm that the size of the iron nanocatalyst was in the range of 10 to 35 nm. The optimum conditions for obtaining the high yield of biodiesel were a 65 °C temperature, a 1?:?9 molar ratio of castor oil and methanol, 1 wt% catalyst loading, 150 min of reaction time and a 400 rpm stirring speed. The iron nanocatalyzed transesterification of castor oil yielded 85 ± 1% of biodiesel. The distributions of the saturated, monounsaturated and polyunsaturated fatty acid methyl esters (FAMEs) were identified as 4.11, 89.63 and 6.26%, respectively, using gas chromatography-mass spectrometry (GC-MS). The physico-chemical properties of the produced biodiesel agreed well with the ASTM standards.
机译：蓖麻（Ricinus Communis）叶提取物介导的工艺用于合成铁纳米粒子。将所得铁纳米颗粒用作蓖麻油酯交换中的催化剂。使用UV可见吸收分光光度法（UV可见），傅立叶变换红外光谱（FTIR），X射线衍射（XRD），X射线光电子能谱（XPS），扫描电子显微镜（SEM），X射线衍射（SEM），能量分散X射线（EDX）和透射电子显微镜（TEM）。 TEM图像确认铁纳米催化剂的尺寸在10至35nm的范围内。获得高产率的生物柴油的最佳条件为65℃，1？：蓖麻油和甲醇的9摩尔比，1wt％催化剂负载，反应时间150分钟和400rpm搅拌速度。蓖麻油的铁纳米催化酯交换产生85±1％的生物柴油。使用气相色谱 - 质谱（GC-MS）分别鉴定为4.11,89.63和6.26％的饱和，单不饱和和多不饱和脂肪酸甲酯（FMES）的分布。所生产的生物柴油的物理化学性质与ASTM标准相同。

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