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- Title
The Rebirth of Waste Cooking Oil to Novel Bio-based Surfactants.
- Authors
Zhang, Qi-Qi; Cai, Bang-Xin; Xu, Wen-Jie; Gang, Hong-Ze; Liu, Jin-Feng; Yang, Shi-Zhong; Mu, Bo-Zhong
- Abstract
Waste cooking oil (WCO) is a kind of non-edible oil with enormous quantities and its unreasonable dispose may generate negative impact on human life and environment. However, WCO is certainly a renewable feedstock of bio-based materials. To get the rebirth of WCO, we have established a facile and high-yield method to convert WCO to bio-based zwitterionic surfactants with excellent surface and interfacial properties. The interfacial tension between crude oil and water could reach ultra-low value as 0.0016 mN m−1 at a low dosage as 0.100 g L−1 of this bio-based surfactant without the aid of extra alkali, which shows a strong interfacial activity and the great potential application in many industrial fields, in particular, the application in enhanced oil recovery in oilfields in place of petroleum-based surfactants.
- Subjects
VEGETABLE oils; FATS &; oils recycling; FATS &; oils; SURFACE active agents; ZWITTERIONS; BIOMATERIALS; COOKING
- Publication
Scientific Reports, 2015, p9971
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep09971