NDLI: Detergency of Vegetable Oils and Semi-Solid Fats Using Microemulsion Mixtures of Anionic Extended Surfactants: The HLD Concept and Cold Water Applications

Content Provider	Springer Nature Link
Author	Do, Linh D. Attaphong, Chodchak Scamehorn, John F. Sabatini, David A.
Copyright Year	2014
Abstract	In spite of the increasing interest in cold temperature detergency of vegetable oils and fats, very limited research has been published on this topic. Extended surfactants have recently been shown to produce very promising detergency with vegetable oils at ambient temperature. However, the excessive salinity requirement (4–14 %) for these surfactants has limited their use in practical applications. In this work, we investigated the mixture of a linear C$_{10}$–18PO–2EO–NaSO$_{4}$ extended surfactant and a hydrophobic twin-tailed sodium dioctyl sulfosuccinate surfactant for cold temperature detergency of vegetable oils and semi-solid fats. Four vegetable oils of varying melting points (from −10 to 28 °C) were studied, these were canola, jojoba, coconut and palm kernel oils. Anionic surfactant mixtures showed synergism in detergency performance compared to single surfactant systems. At temperatures above the melting point, greater than 90 % detergency was achieved at 0.5 % NaCl. While detergency performance decreased at temperatures below the melting point, it was still superior to that of a commercial detergent (up to 80 vs. 40 %). Further, results show that the experimental microemulsion phase behaviors correlated very well with predictions from the hydrophilic–lipophilic deviation concept.
Starting Page	373
Ending Page	382
Page Count	10
File Format	PDF
ISSN	10973958
Journal	Journal of Surfactants and Detergents
Volume Number	18
Issue Number	3
e-ISSN	15589293
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-12-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microemulsion Vegetable oil Semi-solid fats Cold detergency Extended surfactant Hydrophilic–lipophilic deviation Industrial Chemistry/Chemical Engineering Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Surfaces and Interfaces, Thin Films Polymer Sciences Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Physical and Theoretical Chemistry Chemical Engineering

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