Energy recovery from winery wastewater using a dual chamber microbial fuel cell

Autor(es)

Penteado, Eduardo D. ^[1] ; Fernandez-Marchante, Carmen M. ^[2] ; Zaiat, Marcelo ^[1] ; Canizares, Pablo ^[2] ; Gonzalez, Ernesto R. ^[3] ; Rodrigo, Manuel A. R. ^[2]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, EESC, Ctr Pesquisa Desenvolvimento & Inovacao Engn Ambi, LPB, Engn Ambiental Bloco 4-F, Av Joao Dagnone 1100, BR-13563120 Sao Carlos, SP - Brazil

^[2] Univ Castilla La Mancha, Dept Chem Engn, Enr Costa Bldg, Campus Univ S-N, E-13071 Ciudad Real - Spain

^[3] Univ Sao Paulo, IQSC, Dept Quim Fis, Ave Trabalhador Sao Carlense 400, BR-13566590 Sao Carlos, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY; v. 91, n. 6, p. 1802-1808, JUN 2016.
• Citações Web of Science: 11

Resumo

BACKGROUND: Microbial fuel cells (MFCs) can treat agro-industrial wastewater, but only a few studies have reported the treatment of winery waste and much work is needed in order to develop this interesting application of MFC technology, in particular in evaluating how the unfavorable COD/N and COD/P ratios may affect the MFC performance. In this work, a dual chamber MFC was used to treat real effluents from wine processing factories. RESULTS: The MFC was not efficient in terms of COD removal, even when nutrients concentration was increased and daily removals which oscillated around 1000 mg L-1 d(-1) were observed during the complete experimental period, with COD removals around 17%. Increases in the phosphorus and nitrogen concentrations positively influenced the production of electricity. By increasing the concentration of phosphorus and nitrogen, Coulombic efficiency was increased from 2% to almost 15%, and maximum power density from 105 to 465mW m(-2). CONCLUSIONS: Results demonstrate that electricity can be produced efficiently and that the unbalanced nutrients/COD ratio is a major challenge in the treatment of winery wastewater, in spite of the very high organic load contained in this type of wastewater. (C) 2015 Society of Chemical Industry (AU)

• Processo FAPESP: 09/15984-0 - Produção de bioenergia no tratamento de águas residuárias e adequação ambiental dos efluentes e resíduos gerados
• Beneficiário: Marcelo Zaiat
• Modalidade de apoio: Auxílio à Pesquisa - Temático
• Processo FAPESP: 14/07904-5 - Tratamento de água residuária de vinicultura em célula a combustível microbiana
• Beneficiário: Eduardo Dellosso Penteado
• Modalidade de apoio: Bolsas no Exterior - Estágio de Pesquisa - Doutorado
• Processo FAPESP: 11/23026-0 - Tratamento de águas residuárias em células a combustíveis microbianas e geração de energia elétrica direta: fundamentos e aplicação
• Beneficiário: Eduardo Dellosso Penteado
• Modalidade de apoio: Bolsas no Brasil - Doutorado