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The impact of active and additive substances in antifouling paints on aquatic environments
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
2015 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The problem with fouling on boat hulls has been topical lately. From an environmental angle there is advantages and disadvantages with the use of antifouling products. The purpose of using antifouling paint is to prevent fouling of organisms and this is often caused by the harmful biocides that antifouling paints contain. If no means to prevent fouling are taken, this on the other hand will result in higher fuel consumption and a risk to distribute invasive organisms that could be a threat to other marine ecosystems.

Normally antifouling paints contain biocides, booster biocides, pigments, binders and solvents. Since the former ban of organotins like TBT, copper is the most commonly used biocide in antifouling paints today. Copper, and zinc oxide that also used as a biocide, are both highly toxic to several aquatic organisms. The intentionally added toxic active substance, biocides and its toxicological effects have been investigated thoroughly. The additional substances and their toxic effects, on the other hand, is rarely investigated even though former studies have confirmed their toxic effect on test organisms. It is complicated to determine the level of toxicity of substances that are contained in antifouling paints. Former research has been conducted within the field, but the toxic effect in aquatic environments of the product in its entirety is rarely tested biologically in natural environments.

Place, publisher, year, edition, pages
2015. , 28 p.
UPTEC W, ISSN 1401-5765 ; 15045
Keyword [en]
Antifouling, toxicity, aquatic environment, biocides
National Category
Earth and Related Environmental Sciences Engineering and Technology
URN: urn:nbn:se:uu:diva-264231OAI: oai:DiVA.org:uu-264231DiVA: diva2:859572
Educational program
Master Programme in Environmental and Water Engineering
Available from: 2016-09-07 Created: 2015-10-07 Last updated: 2016-09-07Bibliographically approved

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