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Application of anaerobic baffled reactor in the processing of stillage of sugar cane for the production of methane

Grant number: 14/19561-5
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): June 01, 2015
Effective date (End): August 31, 2016
Field of knowledge:Engineering - Sanitary Engineering - Water Supply and Wastewater Treatment
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Eduardo Cleto Pires
Grantee:Vinicius Masquetti da Conceição
Home Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated research grant:09/15984-0 - Bioenergy production from wastewaters and environmental fitting of liquid and solid wastes generated, AP.TEM

Abstract

This research project is aimed at studying the microbial diversity of Anaerobic Baffled Reactor (ABR), employed in the processing of stillage of sugar cane for the production of methane, subjected to different organic loads associated with recirculation rates. Will be used a reactor chambered composed of 4 chambers with a capacity of 5 L each, totaling a volume of 20 L. will initially be performed physico-chemical characterization of vinasse in natura to be used at work. Subsequently, the reactor RAC will be operated without recirculation of effluent and after, with a rate of 200 %, which will form the stages I and II of the study, respectively. Also will be studied loads volumetric organic (VOC) of 2.5; 3.5 and 5.0 Kg COD/m3.d associated with recirculation rates in each step (phase I, II and III). After obtaining each organic load stipulated (stages I, II and III), tests shall be carried out for the determination of physico-chemical parameters, quantification of biogas, specific methanogenic activity (AME), microscopic analysis and molecular biology (PCR and DGGE), for the monitoring of biomass. Will be held also at the end of the work (step III), a preliminary assessment of costs involved in the implementation of procedures studied for the step that present better results in terms of production of methane. Expected to achieve results regarding the influence of hydraulic rates and organic load on the dynamics of microbial population involved in anaerobic digestion of stillage through reactor RAC, to the understanding of the possible correlations that may exist between the operating parameters and the performance of the reactor for the production of methane. (AU)

Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
CONCEIÇÃO, Vinicius Masquetti da. Anaerobic serial reactor (ASR) applied in the processing sugarcane stillage. 2016. Doctoral Thesis - Universidade de São Paulo (USP). Escola de Engenharia de São Carlos São Carlos.

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