What is the effect of surfactants (either anionic, cationic or nonionic) in liquid-liquid extraction of oil and grease from wastewater with hexane?

Hi, I was wondering if anyone here is any experience with the extraction of oil and grease from wastewater in which surfactants have been used (either cationic, anionic, non-ionic or a...

15 November 2017 10,003 4 View