Polychlorinated Biphenyl Profile in Polyhydroxy-alkanoates Synthetized from Urban Organic Wastes

The microbial synthesis of polyhydroxyalkanoates (PHA) from organic wastes is a valuable process to valorize available renewable resources, such as food wastes and biological sludge. Bioplastics find many applications in various sectors, from medical field to food industry. However, persistent organ...

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Bibliographic Details
Published in:Polymers 2020-03, Vol.12 (3), p.659
Main Authors: Riccardi, Carmela, Buiarelli, Francesca, Castellani, Federica, Di Filippo, Patrizia, Lorini, Laura, Majone, Mauro, Matos, Mariana, Pomata, Donatella, Simonetti, Giulia, Sommer Ferreira, Bruno, Valentino, Francesco
Format: Article
Language:English
Subjects:
Acidification
Analytical chemistry
Biomass
Bioplastics
Chromatography
Food processing industry
Low concentrations
Mass spectrometry
Microorganisms
Municipal solid waste
PCB
Pollutants
Polychlorinated biphenyls
Polyhydroxyalkanoates
Raw materials
Renewable resources
Scientific imaging
Sediments
Sludge
Solvent extraction processes
Water treatment
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Summary:The microbial synthesis of polyhydroxyalkanoates (PHA) from organic wastes is a valuable process to valorize available renewable resources, such as food wastes and biological sludge. Bioplastics find many applications in various sectors, from medical field to food industry. However, persistent organic pollutants could be transferred from wastes to the final product. The present paper demonstrates that the use of municipal wastes in PHA production is safe for the environment and human health and provides a polychlorinated biphenyl (PCB) profile in both commercial and waste-based PHA samples. PCB analysis in several PHA samples showed very low concentrations of the target analytes. Commercial PHA samples showed a similar PCB level with respect to PHA samples from municipal waste/sludge and higher than PHA samples from fruit waste. For all analyzed PCBs, detected concentrations were consistently lower than the ones reported in regulatory framework or guidelines.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym12030659