徐琴琴   

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Paper Publications

Title of Paper:K2CO3强化亚临界甲醇法制备生物柴油过程研究

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Date of Publication:2011-08-11

Page Number:237-238

Key Words:生物柴油;亚临界甲醇法;碳酸钾;过程强化

Abstract:超临界酯交换法制备生物柴油反应速率快、转化率高、产物易分离,但是反应条件比较苛刻.为了降低反应温度和压力,通过加入共溶剂或者与传统催化剂工艺相结合,可以强化超临界甲醇法工艺过程.本文研究了使用K2CO3强化亚临界甲醇法制备生物柴油中温度、醇油摩尔比和催化剂用量对甲酯收率的影响.在反应温度140℃,醇油摩尔比12∶1的优化条件下,30min后脂肪酸甲酯产率达到92.9%,催化剂用量仅0.1wt%。

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