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Comparação entre metodologias USEPA e IPCC para estimativa teórica de produção de biogás em aterro municipal ; Comparison between USEPA and IPCC methodologies for theoretical estimation of biogas production in landfill

Authors: Cabral, Alexandre;

Comparação entre metodologias USEPA e IPCC para estimativa teórica de produção de biogás em aterro municipal ; Comparison between USEPA and IPCC methodologies for theoretical estimation of biogas production in landfill

Abstract

Resumo: O aproveitamento energético do biogás de aterros sanitários é uma alternativa sustentável para a disposição final de gases residuais. A estimativa teórica da produção desse biogás torna-se uma ferramenta muito útil para a avaliação de viabilidade e dimensionamento de sistemas de coleta de gás. Os modelos de geração de biogás de aterro mais utilizados atualmente são os baseados em equações de decaimento de primeira ordem. Os modelos LandGEM e IPCC foram utilizados neste trabalho para a estimativa da geração de gases no aterro municipal de Guarapuava (PR, Brasil), onde os principais parâmetros foram escolhidos com base nos dados frequentemente aplicados para cada modelo: valores default sugeridos para as condições locais específicas, para a aplicação do software LandGEM; e cálculo do potencial de geração de metano (L0) a partir da análise gravimétrica dos resíduos, para a aplicação da equação sugerida pelo IPCC. Estimou-se uma produção total de biogás de 44.466.711 Nm3.ano-1 aplicando LandGEM e 60.080.906 Nm3.ano-1 aplicando IPCC, onde os picos de produção foram observados nos anos de 2021 e 2020, respectivamente. A escolha do modelo mais adequado dependerá dos dados disponíveis e, para maior aproximação de resultados reais, os parâmetros adotados devem ser analisados com cautela, considerando as diferentes condições climáticas e operacionais de cada caso. ; Abstract: The energetic use of landfill biogas is a sustainable alternative for the final disposal of waste gases. The theoretical estimation of the production of this biogas becomes a very useful tool for evaluating the feasibility and design of gas collection systems sizing. The most widely used landfill biogas generation models are those based on first-order-decay equations. LandGEM and IPCC models were used in this work to estimate the generation of gases in the municipal landfill of Guarapuava (PR), and the main parameters were chosen based on the frequently applied data for each model: default values suggested for the specific local ...

Country
Canada
Related Organizations
Keywords

Aproveitamento energético, Municipal solid wastes (MSW), 330, LandGEM, Bioenergia, Bioenergy, Energetic recovery, Resíduos sólidos urbanos (RSU)

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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