Synthetic lipids as a biocide candidate for disinfection of ballast water. (December 2018)

• Record Type: Journal Article
• Authors: Batista, William R.; Fernandes, Flavio C.; Neves, Maria H.C.B.; Nascimento, Thiana S.; Lopes, Rosangela S.C.; Lopes, Claudio C.; Ziegler, Gregory P.; Soler-Figueroa, Brenda M.; Sparks, Darrick; Fontaine, Diana N.; Carney, Katharine J.; Quiñones-Oquendo, Luz E.; Ruiz, Gregory M.
• Is Part Of: Marine pollution bulletin. Volume 137(2018)
• Page Start: 702
• Page End: 710
• Publication Date: 2018-12
• Subjects: Ballast water treatment -- Biocide -- Environment -- Synthetic lipids; Marine pollution -- Periodicals; Marine Biology -- Periodicals; Water Pollution -- Periodicals; Mer -- Pollution -- Périodiques; Publications périodiques; Pollution des mers; Lutte antipollution; Electronic journals; 363.7394
• DOI: 10.1016/j.marpolbul.2018.11.018
• Languages: English
• ISSNs: 0025-326X

Abstract

Abstract: The objective of this study is to propose the use of specific synthetic lipid as an active substance (biocide) in the control of harmful aquatic microorganisms, such as pathogens and non-indigenous species, transported in ships' ballast water. The biocide candidate, without metal or halogen components, was produced from a sub-product of the edible oil industry, the lecithin. Laboratory assays were conducted with phytoplankton, zooplankton, and marine bacteria to evaluate the efficiency of the biocide. The study also considers specific biocide's characteristics related to environmental risks, such as chemical composition, persistence, bioaccumulation, and toxicity. Results showed that, in the first 24 h of treatment, the biocide effectively reduced the concentration of the planktonic micro-organisms to very low levels. Additionally, a preliminary risk evaluation pointed that biocide candidate has a low residual toxicity, also a low potential for persistence and bioaccumulation in the environment. Graphical abstract: Ordinary biocide addition process. Hypothetical on-board ballast water treatment using a specific synthetic lipid as an active substance (biocide) in the control of harmful aquatic microorganisms, such as pathogens and non-indigenous species, transported in ships' ballast water. Highlights: Synthetic lipid without metal or halogen constituents Effective reduction of phytoplankton and zooplankton cells after 24 h Low potential for persistence and bioaccumulation Low toxicity at residual level Feasible environmental friendly biocide for use in ballast water treatment.