陕西科技大学学报（自然科学版）2016，Vol.34Issue(2)：102-106,5.
高酸值花椒籽油制备生物柴油的研究
Research on z anthoxy lum bungeanum seed oil with high FFA for biodiesel production
摘要
Abstract
Two-step process for the preparation of biodiesel from z anthoxylum bungeanum seed oil (ZSO) was adopted .In the first step ,the esterification process was required to re-duce the amount of FFA in the feedstock catalyzed by the carbon-based solid acid catalyst . The variables affecting esterification reaction including methanol-to-oil molar ratio ,catalyst amount ,reaction temperature ,reaction time were investigated and the optimum conditions for the esterification reaction were obtained by the orthogonal experiment .In the second step ,transesterification was catalyzed between triglycerides and methanol using potassium hydroxide as catalyst .The yield of biodiesel was confirmed by 1 H NMR .The results showed that the optimal conditions were methanol-to-oil molar ratio 30∶1 ,catalyst loading amount 12% ,reaction temperature 60 ℃ and reaction time 4 .5 h in the esterification stage and under this condition ,the acid value of ZSO was reduced to 1 .76 mg KOH/g from 73 .75 mg KOH/g ,w hich satisfied the treatment of alkali-catalyzed transesterification for biodiesel produc-tion .In the transesterification stage ,the yield of fatty acid methyl ester prepared by KOH-catalyzed transesterification was 99 .74% .关键词
花椒籽油/生物柴油/酯化反应/酯交换反应Key words
zanthoxylum bungeanum see d oil/biodiesel/esterification/transesterification分类
能源科技引用本文复制引用
卢萍,马养民,王伟涛,姜艳婷,李娜,任喜迎..高酸值花椒籽油制备生物柴油的研究[J].陕西科技大学学报（自然科学版）,2016,34(2):102-106,5.基金项目
陕西省科技厅重大科技创新计划项目 （）
