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Cassava processing wastewater as a platform for third generation biodiesel production Scientia Agricola
Neves,Cristina; Maroneze,Mariana Manzoni; Santos,Aline Meireles dos; Francisco,Erika Cristina; Wagner,Roger; Zepka,Leila Queiroz; Jacob-Lopes,Eduardo.
ABSTRACT This study aimed to evaluate third generation biodiesel production by microalgae Phormidium autumnale using cassava processing wastewater as a platform. Experiments were performed in a heterotrophic bubble column bioreactor. The study focused on the evaluation of the bioreactor (batch and fed-batch) of different operational modes and the analysis of biofuel quality. Results indicate that fed-batch cultivations improved system performance, elevating biomass and oil productions to 12.0 g L−1 and 1.19 g L−1, respectively. The composition of this oil is predominantly saturated (60 %) and monounsaturated (39 %), resulting in a biodiesel that complys with U.S., European and Brazilian standards. The technological route developed indicates potential for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Microalgae; Cyanobacteria; Agroindustrial wastewater; Biofuel.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162016000500412
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CHEMICAL PROPERTIES OF SOIL FERTIRRIGATED WITH DAIRY AND SLAUGHTERHOUSE WASTEWATER REA
Oliveira,Jacineumo F. De; Rodrigues,Fernando N.; Fia,Ronaldo; Vilela,Hévelyn S.; Landim,Daniela V..
ABSTRACT The aim of this study was to evaluate the soil chemical properties submitted to fertigation with slaughterhouse (SW) and dairies (DW) wastewater. The experiment was conducted in the Environmental Engineering Center and Sanitary of UFLA/MG in PVC columns filled with Dark Red Latosol (Oxisol) and randomly distributed. The treatments applied with nitrogen based load (300 kg ha years-1 of N) consisted of four doses of SW and DW (100, 200, 300 and 400% of the recommendation) and AQT0 control at random. The soil was collected at a depth of 0.30 m and, subsequently, characterized in terms of physical, chemical and physicochemical. The application of treatment of the largest irrigation of DW provided, after 120 days of monitoring, N concentration of 1.85...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil quality; Fertigation; Plant nutrition; Agroindustrial wastewater.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000601244
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