Process optimization for continuous production of sustainable biodiesel from completely non-edible biomass, lignocellulosic hydrous ethanol and waste fatty acids

被引：11

作者：

Siddique, Nahian ^{[1
]}

Suzue, Masato ^{[1
]}

Kato, Makiko ^{[1
]}

Hiromori, Kousuke ^{[1
]}

Shibasaki-Kitakawa, Naomi ^{[1
]}

机构：

[1] Tohoku Univ, Dept Chem Engn, Aoba Ku, Aoba Yama 6-6-07, Sendai, Miyagi 9808579, Japan

来源：

FUEL | 2021年 / 289卷

关键词：

Biodiesel; Bioethanol; Continuous production; Ion-exchange resin; Non-edible biomass; OLEIC-ACID; ESTERIFICATION; FEEDSTOCKS; CATALYSTS; OILS;

D O I：

10.1016/j.fuel.2020.119884

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This work developed a continuous production process of sustainable biodiesel from completely non-edible biomass to replace first generation one from fossil derived methanol and edible oils. Hydrous bioethanol obtained from woody biomass (without the standard dehydration that requires a significant energy input) and waste fatty acids generated as by-products of edible oil refining were used as feedstocks. Esterification was performed using a porous cation-exchange resin in conjunction with ethanol having water levels of 0 to 15 wt%, in both batch and continuous systems. High fatty acid conversions of more than 90% were obtained in both systems by optimizing the reaction time, even with a water concentration in the ethanol as high as 15 wt%. Because the resin was found to maintain its catalytic activity over time, this technology is expected to assist in the development of future sustainable fuel systems.

引用

页数：6

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