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Transesterification of Jatropha oil to biodiesel using SrO catalysts modified with CaO from waste eggshell
Catalysis Communications ( IF 3.4 ) Pub Date : 2020-11-10 , DOI: 10.1016/j.catcom.2020.106233
Supaphorn Palitsakun , Kitsirirat Koonkuer , Boossayamas Topool , Anusorn Seubsai , Kandis Sudsakorn

Addition of SrO in combination with a hydration technique were used to modify eggshell-derived CaO catalysts for transesterification of Jatropha oil with methanol. A Box-Behnken design of experiment was employed to determine the optimal conditions. The results showed that the maximum methyl ester content of 99.71% could be achieved with the catalyst having 7 mmol/g of SrO at 65 °C, 89.8 min, MeOH:oil molar ratio of 27.6:1, and catalyst amount of 4.77 wt%. At these conditions, the catalyst remained active with methyl ester content of ca. 90% for several cycles and gradually deactivated due to the losses of active metals.



中文翻译:

使用废鸡蛋壳中的CaO改性的SrO催化剂将麻疯树油酯交换为生物柴油

SrO的添加与水合技术的结合用于修饰蛋壳衍生的CaO催化剂,从而使麻风树油与甲醇进行酯交换反应。采用Box-Behnken实验设计确定最佳条件。结果表明,在65°C,89.8分钟,MeOH:油的摩尔比为27.6:1,催化剂量为4.77 wt%的条件下,具有7 mmol / g SrO的催化剂可实现最大甲酯含量为99.71%。 。在这些条件下,催化剂的活性保持不变,甲酯含量约为3。90%连续几个循环,并由于活性金属的损失而逐渐失活。

更新日期:2020-11-17
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