Analysis of the oxidative degradation of biodiesel blends using FTIR, UV-Vis, TGA and TD-DES methods

被引：46

作者：

Zhou, Jian ^{[1
]}

Xiong, Yun ^{[1
]}

Gong, Yingzhong ^{[1
]}

Liu, Xiao ^{[1
]}

机构：

[1] Logist Engn Univ, Dept Fuel Chem, Chongqing 401331, Peoples R China

来源：

FUEL | 2017年 / 202卷

关键词：

Biodiesel blends; Oxidative degradation; FTIR; UV-Vis; TGA; TD-DES; DIELECTRIC-SPECTROSCOPY CHARACTERIZATION; SOYBEAN OIL; STABILITY; 2-CHANNEL; RANCIMAT; ANTIOXIDANT; EVOLUTION; QUALITY;

D O I：

10.1016/j.fuel.2017.04.032

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：

In this paper, the analysis of the oxidative degradation of biodiesel blends were explored using the following instrumental methods: Fourier transform infrared spectroscopy (FTIR), Ultraviolet-visible spectroscopy (UV-Vis), thermogravimetric analysis (TGA) and two-channel and differential dielectric spectroscopy (TD-DES). During the degradation process, a good consistency could be observed between the change of the dielectric property and that of the Rancimat conductivity, infrared peak area, ultraviolet absorbance and the residual mass. The increase of these parameters was not significant before the end of the induction period, after which they rose sharply, indicating that all these analytical methods were suitable for monitoring the degradation process of the biodiesel blends. The TD-DES technique exhibited excellent prediction performance for FTIR, UV-Vis and TGA in assessing the extent of oxidative deterioration. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：23 / 28

页数：6

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