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Evaluation of biomass and coal co-gasification of brazilian feedstock using a chemical equilibrium model

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Evaluation of biomass and coal co-gasification of brazilian feedstock using a chemical equilibrium model

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Título Evaluation of biomass and coal co-gasification of brazilian feedstock using a chemical equilibrium model
Autor Rodrigues, Rodolfo
Muniz, Andre Rodrigues
Marcilio, Nilson Romeu
Abstract Coal and biomass are energy sources with great potential for use in Brazil. Coal-biomass cogasification enables the combination of the positive characteristics of each fuel, besides leading to a cleaner use of coal. The present study evaluates the potential of co-gasification of binary coal-biomass blends using sources widely available in Brazil. This analysis employs computational simulations using a reliable thermodynamic equilibrium model. Favorable operational conditions at high temperatures are determined in order to obtain gaseous products suitable for energy cogeneration and chemical synthesis. This study shows that blends with biomass ratios of 5% and equivalence ratios ≤ 0.3 lead to high cold gas efficiencies. Suitable gaseous products for chemical synthesis were identified at biomass ratios ≤ 35% and moisture contents ≥ 40%. Formation of undesirable nitrogen and sulfur compounds was also analyzed.
Contido em Brazilian journal of chemical engineering. São Paulo, SP. Vol. 33, no. 2 (Apr./Jun. 2016), p. 401-414
Assunto Biomassa
Carvão
Gaseificação
Simulação computacional
[en] Coal and biomass energy
[en] Co-gasification
[en] Equilibrium modeling
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/165938
Arquivos Descrição Formato
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