Literature overview: Emerging organic contaminants in water and their remediation

Abstract

Emerging organic contaminants (EOCs)

Environmental Chemistry of Organosiloxanes

“…In a long-term investigation, dimethylsiloxanes migrating from silicone baking molds into pizza were monitored by 1 H NMR for up to 1700 pizza baking cycles (400 h) at 180 °C. From the beginning, cyclic oligomers D 6 −D 18 were found in pizza, their amounts decreasing with increasing mold use, and there was no hint to de novo formation of oligomeric siloxanes during baking at 180 °C.…”

“…Although around us for more than six decades, siloxanes are considered emerging environmental contaminants. − Emerging here means that previously they were not considered pollutants, and this fact was due to a lack of analytical data, which in turn was caused by the lack of analytical methods. Analytical methods were few because of the unusual physicochemical characteristics of these compounds, as well as their public perception as being nontoxic.…”

Avaliação de um sistema piloto de wetlands construídos para a remoção de compostos emergentes

“…Muitos dos COEs podem apresentar efeitos nocivos à saúde, sabe-se que esses contaminantes estão presentes no meio ambiente. Entretanto tais compostos despertam a preocupação por não serem adequadamente estudados quanto ao potencial de causarem efeitos adversos em humanos e ao meio ambiente, principalmente no que se refere ao conhecimento das concentrações seguras para sua exposição, assim como o destino, transporte e toxicidade destes produtos químicos (Husain, 2008).…”