Surfactant assisted upgrading fuel properties of waste cooking oil biodiesel

Lijian Leng; Jie Chen; Songqi Leng; Wenyan Li; Huajun Huang; Hui Li; Xingzhong Yuan; Jun Li; Wenguang Zhou

doi:10.1016/j.jclepro.2018.11.027

Surfactant assisted upgrading fuel properties of waste cooking oil biodiesel

Lijian Leng, Jie Chen, Songqi Leng, Wenyan Li, Huajun Huang, Hui Li, Xingzhong Yuan, Jun Li, Wenguang Zhou

Bioproducts and Biosystems Engineering

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

Biodiesel from waste cooking oil has drawbacks such as poor cold flow properties and low oxidation stability. Cold flow properties and ignition delay of biodiesel assessed by thermogravimetric methods were improved in the present study by formation of water-in-biodiesel microemulsions with the assistant of different surfactants. More interestingly, Span 80 based microemulsion experienced precipitation (phase separation) during the storage at 4 °C in 60 days. But this separation was not a de-emulsification but a purification process. The total fatty acid methyl esters content in purified biodiesel was increased considerably (from 90.2% to 96.3%) with cold flow properties and oxidation stability being also improved. Both the purification and addition of Span 80 (the formation of microemulsion) contributed to the improved cold flow properties and oxidation stability of biodiesel. The overall fuel properties of biodiesel after microemulsification-purification were close to those of biodiesel/diesel (V/V, 5/5) blend. Note that emulsion/microemulsion fuel also has great potential to reduce NO_X emission during combustion in diesel engine, application of Span 80 for biodiesel purification may be further developed as a promising biodiesel upgrading technology.

Original language	English (US)
Pages (from-to)	1376-1384
Number of pages	9
Journal	Journal of Cleaner Production
Volume	210
DOIs	https://doi.org/10.1016/j.jclepro.2018.11.027
State	Published - Feb 10 2019

Bibliographical note

Funding Information:
This study was supported by the National Natural Science Foundation of China (Nos. 51808278 , 21276069 , and 51668044 ), the Key Research Development Program of the Jiangxi Province of China (Nos. 20161BBH80029 and 20171BBG70036 ), the Talent Program for Distinguished Young Scholars of Jiangxi Province of China (No. 20171BCB23015 ), Science and Technology Planning Project of Changsha ( kq1606025 , kh1701110 ), Technical Innovation Project (key grant) of Hubei Province ( 2016ACA176 ), together with Research project of Hubei Polytechnic University (No. 2016102 ).

Publisher Copyright:
© 2018 Elsevier Ltd

Keywords

Activation energy
Emulsion
FAME
Glycerin
Low temperature properties
Thermogravimetric study

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "Surfactant assisted upgrading fuel properties of waste cooking oil biodiesel",

abstract = "Biodiesel from waste cooking oil has drawbacks such as poor cold flow properties and low oxidation stability. Cold flow properties and ignition delay of biodiesel assessed by thermogravimetric methods were improved in the present study by formation of water-in-biodiesel microemulsions with the assistant of different surfactants. More interestingly, Span 80 based microemulsion experienced precipitation (phase separation) during the storage at 4 °C in 60 days. But this separation was not a de-emulsification but a purification process. The total fatty acid methyl esters content in purified biodiesel was increased considerably (from 90.2% to 96.3%) with cold flow properties and oxidation stability being also improved. Both the purification and addition of Span 80 (the formation of microemulsion) contributed to the improved cold flow properties and oxidation stability of biodiesel. The overall fuel properties of biodiesel after microemulsification-purification were close to those of biodiesel/diesel (V/V, 5/5) blend. Note that emulsion/microemulsion fuel also has great potential to reduce NOX emission during combustion in diesel engine, application of Span 80 for biodiesel purification may be further developed as a promising biodiesel upgrading technology.",

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author = "Lijian Leng and Jie Chen and Songqi Leng and Wenyan Li and Huajun Huang and Hui Li and Xingzhong Yuan and Jun Li and Wenguang Zhou",

note = "Funding Information: This study was supported by the National Natural Science Foundation of China (Nos. 51808278 , 21276069 , and 51668044 ), the Key Research Development Program of the Jiangxi Province of China (Nos. 20161BBH80029 and 20171BBG70036 ), the Talent Program for Distinguished Young Scholars of Jiangxi Province of China (No. 20171BCB23015 ), Science and Technology Planning Project of Changsha ( kq1606025 , kh1701110 ), Technical Innovation Project (key grant) of Hubei Province ( 2016ACA176 ), together with Research project of Hubei Polytechnic University (No. 2016102 ). Publisher Copyright: {\textcopyright} 2018 Elsevier Ltd",

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AU - Leng, Lijian

AU - Chen, Jie

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AU - Li, Hui

AU - Yuan, Xingzhong

AU - Li, Jun

AU - Zhou, Wenguang

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ER -

Surfactant assisted upgrading fuel properties of waste cooking oil biodiesel

Abstract

Bibliographical note

Keywords

UN SDGs

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