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Citation: CHEN Jiebo, SU Jinwei, QI Jianmin, CHEN Xinxiang, CHEN Liang. Preparing Biodiesel from Flaxseed Oil Using CaO-ZrO₂ Solid Base Catalyst[J]. Chinese Journal of Applied Chemistry, ;2011, 28(3): 267-271. doi: 10.3724/SP.J.1095.2011.00271 shu

Preparing Biodiesel from Flaxseed Oil Using CaO-ZrO₂ Solid Base Catalyst

1.
College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350003

Corresponding author: SU Jinwei,
Received Date: 10 May 2010
Available Online: 8 September 2010
Fund Project: 福建省科技厅计划项目(2008N006) (2008N006)

CaO-ZrO₂ nanoparticles with CaO molar fraction ranging from 10% to 50% were prepared by the sol-gel method and their catalytic performances were evaluated in biodiesel production from flaxseed oil; XRD, CO₂-TPD, and TEM were employed for the catalyst characterization. The results indicate that when CaO molar fraction was lower than 30%, the samples form CaO-ZrO₂ homogeneous solid solution, which possesses good thermal stability and the grain diameter is 10~20 nm. The experimental results show that the highest catalytic activity can be achieved when CaO molar fraction was 30%. The yield of conversion could reach 93.2% when the reaction conditions were optimized for the transesterification of flaxseed oil. The dosage (mass ratio) of catalyst to oil was 2.5%, the reaction temperature and time were 65℃ and 2 h respectively, and the molar ratio of methanol to oil is 12:1.
- CaO-ZrO₂,
- solid base,
- flaxseed oil,
- biodiesel
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Preparing Biodiesel from Flaxseed Oil Using CaO-ZrO2 Solid Base Catalyst

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通讯作者: 陈斌, bchen63@163.com

Preparing Biodiesel from Flaxseed Oil Using CaO-ZrO₂ Solid Base Catalyst