Preparation and its properties of biodiesel  by using solid base catalyst

LI Weimin; ZHENG Xiaolin; XU Chunming; XU Ge; WU Guoying

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Preparation and its properties of biodiesel by using solid base catalyst

更新时间：2025-12-10

- Preparation and its properties of biodiesel by using solid base catalyst
- CIESC Journal Issue 4, Pages: 711-716(2005)
- 作者机构：
  
  1. 石油大学重质油加工国家重点实验室,北京,102200
  2. 江苏工业学院化工系,江苏,常州,213016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 April 2005，
  
  Published：25 April 2005
- 稿件说明：
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LI Weimin, ZHENG Xiaolin, XU Chunming, et al. Preparation and its properties of biodiesel by using solid base catalyst[J]. CIESC Journal, 2005, (4): 711-716.
DOI：

LI Weimin, ZHENG Xiaolin, XU Chunming, et al. Preparation and its properties of biodiesel by using solid base catalyst[J]. CIESC Journal, 2005, (4): 711-716. DOI：

摘要

用共沉淀法制备了水滑石，焙烧后得到Mg-Al复合氧化物，以此为催化剂进行菜籽油的酯交换反应，正交实验表明该酯交换反应的小试最佳工艺条件为：反应温度65 ℃、醇油摩尔比6∶1、反应时间为3 h，催化剂加入量为菜籽油质量的2%，脂肪酸甲酯（生物柴油）含量为95.7%.得到的生物柴油低温流动性能好，闪点高达170 ℃，氧化安定性好，主要性能指标符合0#柴油标准，可以和0#柴油以任何比例调和.

Abstract

Hydrotalcite was prepared by co-precipitation of magnesium and aluminum nitrate solution.After calcination

the hydrotalcite was converted to Mg-Al composite oxides.The transesterification of rapeseed oil was carried out by using treated Mg-Al composite oxides as catalyst.Through orthogonal analysis

the optimum reaction conditions obtained for the transesterification were set at temperature 65 ℃

mole ratio of methanol to rapeseed oil 6∶1

reaction time 3 h

and catalyst dosage 2% (on rapeseed oil mass).The yield of fatty acid methyl ester (biodiesel fuel) was 95.7%.The fluidity of the biodiesel fuel at low temperature was much better than that of No.0 diesel fuel and the flash point was as high as 170 ℃ with a sound oxidation stability.Other principal physicochemical properties of the biodiesl fuel were similar to that of No.0 diesel fuel.The biodiesel fuel could be blended with No.0 diesel fuel at any ratio.

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