Preparation of biodiesel from waste oils catalyzed by a Brønsted acidic ionic liquid

Minghan Han; Wulang Yi; Qin Wu; Ying Liu; Yongchun Hong; Dezheng Wang

doi:10.1016/j.biortech.2008.10.046

Preparation of biodiesel from waste oils catalyzed by a Brønsted acidic ionic liquid

Minghan Han^*, Wulang Yi, Qin Wu, Ying Liu, Yongchun Hong, Dezheng Wang

^*此作品的通讯作者

Tsinghua University

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158 引用（Scopus）

摘要

Preparation of biodiesel from waste oils catalyzed by a novel Brønsted acidic ionic liquid with an alkane sulfonic acid group was investigated. The acidity and the activity of the ionic liquid were very low at lower temperature when the ionic liquid was crystalloid; they recovered at higher temperature when the crystallized ionic liquid was liquefied. When methanol:oils:catalyst molar ratios were 12:1:0.06, the yield of fatty acid methyl esters can reach 93.5% after the reaction of acidic oil with methanol had taken place at 170 °C for 4 h. In addition, the ionic liquid had a good reusability and can be easily separated from the biodiesel by simple decantation.

源语言	英语
页（从-至）	2308-2310
页数	3
期刊	Bioresource Technology
卷	100
期	7
DOI	https://doi.org/10.1016/j.biortech.2008.10.046
出版状态	已出版 - 4月 2009
已对外发布	是

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title = "Preparation of biodiesel from waste oils catalyzed by a Br{\o}nsted acidic ionic liquid",

abstract = "Preparation of biodiesel from waste oils catalyzed by a novel Br{\o}nsted acidic ionic liquid with an alkane sulfonic acid group was investigated. The acidity and the activity of the ionic liquid were very low at lower temperature when the ionic liquid was crystalloid; they recovered at higher temperature when the crystallized ionic liquid was liquefied. When methanol:oils:catalyst molar ratios were 12:1:0.06, the yield of fatty acid methyl esters can reach 93.5% after the reaction of acidic oil with methanol had taken place at 170 °C for 4 h. In addition, the ionic liquid had a good reusability and can be easily separated from the biodiesel by simple decantation.",

keywords = "Biodiesel, Br{\o}nsted acidic ionic liquid, Esterification, Transesterification, Waste oil",

author = "Minghan Han and Wulang Yi and Qin Wu and Ying Liu and Yongchun Hong and Dezheng Wang",

year = "2009",

month = apr,

doi = "10.1016/j.biortech.2008.10.046",

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T1 - Preparation of biodiesel from waste oils catalyzed by a Brønsted acidic ionic liquid

AU - Han, Minghan

AU - Yi, Wulang

AU - Wu, Qin

AU - Liu, Ying

AU - Hong, Yongchun

AU - Wang, Dezheng

PY - 2009/4

Y1 - 2009/4

N2 - Preparation of biodiesel from waste oils catalyzed by a novel Brønsted acidic ionic liquid with an alkane sulfonic acid group was investigated. The acidity and the activity of the ionic liquid were very low at lower temperature when the ionic liquid was crystalloid; they recovered at higher temperature when the crystallized ionic liquid was liquefied. When methanol:oils:catalyst molar ratios were 12:1:0.06, the yield of fatty acid methyl esters can reach 93.5% after the reaction of acidic oil with methanol had taken place at 170 °C for 4 h. In addition, the ionic liquid had a good reusability and can be easily separated from the biodiesel by simple decantation.

AB - Preparation of biodiesel from waste oils catalyzed by a novel Brønsted acidic ionic liquid with an alkane sulfonic acid group was investigated. The acidity and the activity of the ionic liquid were very low at lower temperature when the ionic liquid was crystalloid; they recovered at higher temperature when the crystallized ionic liquid was liquefied. When methanol:oils:catalyst molar ratios were 12:1:0.06, the yield of fatty acid methyl esters can reach 93.5% after the reaction of acidic oil with methanol had taken place at 170 °C for 4 h. In addition, the ionic liquid had a good reusability and can be easily separated from the biodiesel by simple decantation.

KW - Biodiesel

KW - Brønsted acidic ionic liquid

KW - Esterification

KW - Transesterification

KW - Waste oil

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DO - 10.1016/j.biortech.2008.10.046

M3 - Article

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Preparation of biodiesel from waste oils catalyzed by a Brønsted acidic ionic liquid

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