Evaluation of the environmental hazard of char residues produced in the co-pyrolysis of different wastes: chemical and ecotoxicological characterization

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Abstract

Char residues produced in co-pyrolysis of different wastes were characterized through chemical and toxicity tests. A fraction of the solid chars was treated by extraction with dichloromethane. Different volatility fractions present in the extracted and non extracted char were evaluated. A selected group of heavy metals was determined in both chars. Chars were subjected to the leaching test ISO/TS 21268 - 2 and the resulting eluates were further characterized by determining a group of inorganic parameters and the concentrations of several organic contaminants. An ecotoxicological characterization was performed by using the bio-indicator Vibrio fischeri.The chemical and ecotoxicological characterization led to a classification of the chars as ecotoxic materials.
Original languageEnglish
Title of host publicationProceedings Sardinia 2009, Twelfth International Waste Management and Landfill Symposium
EditorsRaffaello Cossu, Luis F. Diaz, Rainer Stegmann
PublisherCISA Publisher
Number of pages9
ISBN (Print)978-88-6265-007-6
Publication statusPublished - 2009
Event12th International Waste Management and Landfill Symposium - Cagliari, Italy
Duration: 5 Oct 20099 Oct 2009

Conference

Conference12th International Waste Management and Landfill Symposium
CountryItaly
CityCagliari
Period5/10/099/10/09

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