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Pathways and determinations of organometallic compounds in the marine environment with a particular emphasis on organotin

100%

Radke B. , Namieśnik J. , Bolałek J.

tom Vol. 32, No. 3

43-71

Organometallic compounds are widely used in almost all sectors of industry. Some organometallic compounds are very potent toxins. Human activity releases organometallic compounds into the natural environment where they undergo various changes through compoundenvironment interactions. These compounds have a negative impact on living organisms. The most widespread, man-made organometallic compounds present in the natural environment are those of tin, mercury and lead.

Organotins used in antifouling paints: environmental impact and contamination in a case study (Southern Venice Lagoon)

88%

Berto D. , Boscolo R. , Cacciatore F. , Giani M.

Oceanological and Hydrobiological Studies

2006

tom Vol. 35, No.3

269-283

Butyltins, including tributyltin (TBT), are widely used as biocides in antifouling paints. Evidence of the damaging effect of organotin (OTs) compounds on the reproduction and growth of various marine organisms has prompted action by many countries to regulate or ban their use in antifouling products. Organotin chemical and physical characteristics, toxicity and their use in antifouling paints are described in this article. TBT concentrations in seawater were investigated in the Southern Venice Lagoon as a case study, and results indicated the continuous use of TBT-based antifouling paints.

Antifouling and anticorrosive protection of renewable energy marine structures with TiO2-based enamel

63%

Sanz D. , García S. , Trueba‐Castañeda L. , Boullosa-Falces D. , Trueba A.

2024

tom Vol. 18 No. 2

419--424

Biofouling is a significant problem that affects renewable energy marine structures (REMS), such as wind turbines and those designed for wave or tidal energy exploitation. Marine organisms, including algae, barnacles, and mollusks, attach themselves to the surface of these structures, which can lead to reduced efficiency and increased maintenance costs. In addition, biofouling can also cause corrosion, which can compromise the structural integrity of the offshore platforms. To combat this problem, several methods have been developed, including anti-fouling coatings, physical methods, and biological methods. Each method has its advantages and disadvantages, and the most effective solution often depends on the specific type of fouling and the location of the offshore structure. Effective biofouling prevention is essential for the safe and efficient operation of offshore structures and the protection of marine ecosystems. To prevent the spread of invasive species, an innovative ceramic coating has been designed and tested in accordance with ASTM-D3623 procedure. The investigation results revealed that, after four years of experimentation in a real environment, the biofouling growth observed in the splash zone of the antifouling paint was 129.76% higher than that of the titanium-based ceramic coating and it is expected that this difference will continue to grow over time.

Effect of antifouling paints and nautical tourism on the sustainability of marine environment in the case of the village ports of a small Island

63%

Ivče R. , Paparić D. , Zekić A. , Škapul M.

2020

tom Vol. 14. no. 3

701--707

The problem of underwater hull fouling has been mostly noticed by the pleasure boat owners when reducing the boat speed. In order to decrease the fouling of the underwater part of the hull, antifouling paints have been used. Some kinds of antifouling paints have become a serious environmental problem due to its very harmful effect on marine organisms and also, indirectly, on humans. Scientific research conducted in this domain has confirmed contamination by toxic compounds as a result of the usage of antifouling paints over long period of time. The paper is focused on underwater hull maintenance, especially when applying antifouling systems on pleasure crafts owned by tourists and local residents, in the example of the village ports of a small island. A survey was conducted among the residents who use ports to determine their knowledge regarding the harmful effects of biocidal coatings and the possible harmless maintenance of the underwater hull part. This paper aims to indicate the necessary equipment and procedures in the two small local ports in order to maintain pleasure boats in environmentally acceptable manner.