title: Economic process to produce biohydrogen and volatile fatty acids by a mixed culture using vinasse from sugarcane ethanol industry as nutrient source.
abstract: This work evaluates the potential of vinasse (a waste obtained at the bottom of sugarcane ethanol distillation columns) as nutrient source for biohydrogen and volatile fatty acids production by means of anaerobic consortia. Two different media were proposed, using sugarcane juice or molasses as carbon source. The consortium LPBAH1 was selected for fermentation of vinasse supplemented with sugarcane juice, resulting in a higher H2 yield of 7.14 molH2 molsucrose(-1) and hydrogen content in biogas of approx. 31%, while consortium LPBAH2 resulted in 3.66 molH2/molsucrose and 32.7% hydrogen content in biogas. The proposed process showed a rational and economical use for vinasse, a mandatory byproduct of the renewable Brazilian energy matrix.
authors.affiliation: Bioprocess Engineering and Biotechnology Department, Federal University of Parana, Centro Politécnico, Usina Piloto B, CEP 81531-990 Curitiba, Paraná, Brazil; Clermont Université, Université Blaise Pascal, Labex IMobS3, Institut Pascal, Polytech Clermont-Ferrand, 24 avenue des Landais, BP 20206, 63174 Aubière Cedex, France.
authors.forename: Eduardo Bittencourt
authors.initials: EB
authors.lastname: Sydney
authors.affiliation: Clermont Université, Université Blaise Pascal, Labex IMobS3, Institut Pascal, Polytech Clermont-Ferrand, 24 avenue des Landais, BP 20206, 63174 Aubière Cedex, France.
authors.forename: Christian
authors.initials: C
authors.lastname: Larroche
authors.affiliation: Bioprocess Engineering and Biotechnology Department, Federal University of Parana, Centro Politécnico, Usina Piloto B, CEP 81531-990 Curitiba, Paraná, Brazil.
authors.forename: Alessandra Cristine
authors.initials: AC
authors.lastname: Novak
authors.affiliation: Clermont Université, Université Blaise Pascal, Labex IMobS3, Institut Pascal, Polytech Clermont-Ferrand, 24 avenue des Landais, BP 20206, 63174 Aubière Cedex, France.
authors.forename: Regis
authors.initials: R
authors.lastname: Nouaille
authors.affiliation: Institut national de la recherche scientifique, Centre - Eau Terre Environnement, Québec, Québec G1K 9A9, Canada.
authors.forename: Saurabh Jyoti
authors.initials: SJ
authors.lastname: Sarma
authors.affiliation: Institut national de la recherche scientifique, Centre - Eau Terre Environnement, Québec, Québec G1K 9A9, Canada.
authors.forename: Satinder Kaur
authors.initials: SK
authors.lastname: Brar
authors.affiliation: Bioprocess Engineering and Biotechnology Department, Federal University of Parana, Centro Politécnico, Usina Piloto B, CEP 81531-990 Curitiba, Paraná, Brazil.
authors.forename: Luiz Alberto
authors.initials: LA
authors.lastname: Letti
authors.affiliation: Bioprocess Engineering and Biotechnology Department, Federal University of Parana, Centro Politécnico, Usina Piloto B, CEP 81531-990 Curitiba, Paraná, Brazil.
authors.forename: Vanete Thomaz
authors.initials: VT
authors.lastname: Soccol
authors.affiliation: Bioprocess Engineering and Biotechnology Department, Federal University of Parana, Centro Politécnico, Usina Piloto B, CEP 81531-990 Curitiba, Paraná, Brazil. Electronic address: soccol@ufpr.br.
authors.forename: Carlos Ricardo
authors.initials: CR
authors.lastname: Soccol
mesh_terms: D056804:Biofuels / Q000191:economics*; D019149:Bioreactors / Q000382:microbiology; D001709:Biotechnology / Q000191:economics* / Q000379:methods*; D002244:Carbon / Q000494:pharmacology; D000431:Ethanol / Q000494:pharmacology*; D005232:Fatty Acids, Volatile / Q000096:biosynthesis* / Q000191:economics; D006859:Hydrogen / Q000191:economics / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007220:Industrial Waste; D059013:Microbial Consortia / Q000187:drug effects*; D008962:Models, Theoretical; D031786:Saccharum / Q000737:chemistry*
chemical_list: D056804:Biofuels; D005232:Fatty Acids, Volatile; D007220:Industrial Waste; D000431:Ethanol; D002244:Carbon; D006859:Hydrogen
keywords: Biohydrogen; Molasses; Sugarcane; Vinasse; Volatile fatty acids