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Study of polychlorinated biphenyls (PCBs) degradation by catalytic dechlorination

Grant number: 06/02387-6
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): September 01, 2006
Effective date (End): August 31, 2008
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal Investigator:Reinaldo Camino Bazito
Grantee:Luiz Américo da Silva Do Vale
Host Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

Polychlorinated biphenyls (PCBs) are chlorinated organic compounds that have been heavily used as electrical insulators until they were banned by an International Convention (Stockolm Convention on Persistent Organic Pollutants). Nowadays these compounds are considered persistent organic pollutants, not biodegradable, toxic, lipophilic (and therefore subjected to bioaccumulation) of great environmental significance. The existent inventory of PCBs (isolated are still in use) constitutes an important environmental problem to which solutions are being searched for.One of the solutions being studied is the catalytic dehalogenation of PCBs, resulting in inorganic chloride and chlorine-free biphenyls, that can be reused for the original applications of PCBs.In this project we propose the study of catalytic dehalogenation reactions of PCBs using noble metal catalysers supported on organic/inorganic matrices, several hydrogen-donnor compounds and experimental conditions. We hope to gain a general vision of the dehalogenation process that would allow its use in industrial processes for the dehalogenation of PCBs

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
VALE, Luiz Américo da Silva Do. Catalytic hydrodechlorination of polychlorinated biphenyls (PCBs). 2008. Master's Dissertation - Universidade de São Paulo (USP). Conjunto das Químicas (IQ e FCF) (CQ/DBDCQ) São Paulo.

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