MODELO DE AVALIAÇÃO AMBIENTAL PARA REDUÇÃO DE EMISSÕES DE GASES DE EFEITO ESTUFA DEVIDO À RECICLAGEM MUNICIPAL DE RESÍDUOS SÓLIDOS NO BRASIL

Guilherme Cardim Gouveia de Lima, Danielle Costa Morais, Susane de Farias Gomes, Marcele Elisa Fontana

Resumo


A gestão de resíduos sólidos tornou-se um tema cada vez mais importante, uma vez que o espaço para a eliminação de lixo nos centros urbanos é limitado e valorizado. A prática de reciclagem destaca-se como uma das melhores alternativas para reduzir o volume de resíduos enviados para aterros, reduzindo ao mesmo tempo a emissão de gases de efeito estufa (GEE). Como forma de promover essa prática, em 2007, uma empresa brasileira de energia desenvolveu um programa que oferece descontos sobre as contas de energia na entrega de materiais recicláveis. O programa reciclou mais de 13 mil toneladas de resíduos e concedeu mais de R$ 1,5 milhão em descontos. Para possibilitar a mensuração dos benefícios ambientais deste programa, este trabalho apresenta um modelo que relaciona a reciclagem de materiais e a redução das emissões de CO2 que essa prática produz. Uma aplicação do modelo mostra que, em apenas 3 meses, cerca de 1.000 toneladas de CO2 não foram emitidas devido às atividades do programa. Os resultados mostram que o alumínio é o material que, quando reciclado, proporciona a maior redução de emissões e é seguido por papel/cartão, aço, plásticos, metais e vidro.


Palavras-chave


Reciclagem. Gases de efeito estufa. Redução de emissões.

Texto completo:

PDF (English)

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DOI: http://dx.doi.org/10.5902/2236117026161

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Digital Object Identifier (DOI): 10.5902/22361170

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Acessos desde 19/06/2012

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