Surface properties of petroleum refinery waste oil emulsions

The surface properties and factors affecting flocculation of waste oil droplets suspended in distilled water, and in refinery waste water were investigated and compared. In waste water the behaviour of droplets was modified by the presence of anionic surfactants which were not easily displaced, even...

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Bibliographic Details
Published in:Environmental science & technology 1977-12, Vol.11 (13), p.1211-1217
Main Authors: Luthy, Richard G, Selleck, Robert E, Galloway, Terry R
Format: Article
Language:English
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Summary:The surface properties and factors affecting flocculation of waste oil droplets suspended in distilled water, and in refinery waste water were investigated and compared. In waste water the behaviour of droplets was modified by the presence of anionic surfactants which were not easily displaced, even by most cationic surfactants. Effective charge neutralization and coagulation was accomplished with the aid of cationic polydiallyldimethylammonium (PDADMA) compounds. The structure and flocculating action of PDADMA compounds are described.
ISSN:0013-936X
1520-5851
DOI:10.1021/es60136a015