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Sci Total Environ. 2019 Jul 4;691:981-995. doi: 10.1016/j.scitotenv.2019.06.510. [Epub ahead of print]

Identification and characterization of bilgewater emulsions.

Author information

1
Wastewater Management Branch, Naval Surface Warfare Center, Carderock Division, West Bethesda, MD, USA; Department of Civil, Environmental and Construction Engineering, University of Central Florida, Orlando, FL, USA.
2
Chemistry Division, United States Naval Research Laboratory, Washington, DC, USA.
3
Department of Civil, Environmental and Construction Engineering, University of Central Florida, Orlando, FL, USA.
4
Burnette School of Biomedical Sciences, University of Central Florida, Orlando, FL, USA.
5
Wastewater Management Branch, Naval Surface Warfare Center, Carderock Division, West Bethesda, MD, USA.
6
Wastewater Management Branch, Naval Surface Warfare Center, Carderock Division, West Bethesda, MD, USA. Electronic address: danielle.paynter@navy.mil.

Abstract

Literature on bilgewater focuses on empirically determined treatment methods and lacks specific information on emulsion characteristics. Therefore, this review discusses potential emulsion stabilization mechanisms that occur in bilgewater and evaluates common approaches to study their behavior. Current knowledge on emulsion formation, stabilization, and destabilization is outlined to provide researchers and bilgewater treatment operators with the knowledge needed to determine emulsion prevention and treatment strategies. Furthermore, a broad assessment of bilgewater emulsion characterization techniques, from general water quality analysis to advanced droplet stability characterization methods are discussed in detail. Lastly, a survey of typical bilgewater characteristics and information on standard synthetic bilgewater mixtures used in the testing of oil pollution abatement equipment are presented. Overall, the goal of this article is to provide a better understanding of physical and thermodynamic properties of emulsions to help improve bilgewater treatment and management.

KEYWORDS:

Bilgewater; Detergent; Emulsion; Emulsion stability; Oil pollution abatement; Surface cleaner

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