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Antibiotics in fuel ethanol production: analysis, dispersion in the environment and effects on vinasse biodigestion

Grant number: 16/06352-4
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): July 01, 2016
Effective date (End): September 30, 2020
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal researcher:Nelson Ramos Stradiotto
Grantee:Josiel José da Silva
Home Institution: Instituto de Química (IQ). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil
Associated scholarship(s):18/15739-5 - Vinasse as soil amendment: assessment of soil and groundwater contamination, BE.EP.DR

Abstract

The sugar-alcohol industry occupies a prominent position in Brazil. Regarding to the production of fuel ethanol, today Brazil has a demand similar to the gasoline, demonstrating the industry's greatness. Along the ethanol production occur the generating of a large amount of waste, such as vinasse, filter cake and bagasse. Among these wastes, vinasse has major environmental concerns due to its composition and disposal. Currently vinasse is used in fertigation, feeding and watering the soil of sugarcane plantations. However, the risk of rivers and ground water contamination with substances that may pose risks to the environment are huge. The substances in the vinasse that endanger the environment are antibiotics used to eliminate contamination that could harm the fermentation used in fuel ethanol production process. One of the vinasse treatment processes that has shown greater efficiency and economic viability in the removal of organic compounds is anaerobic digestion. However, the antibiotics presence in the vinasse can compromise the performance of this process. The antibiotics determination in environmental samples, and generally complex, has been successfully carried out using, among other techniques, liquid chromatography coupled mass spectrometry due to the technical characteristics. In this context, this work aims to fill some gaps in the scientific literature of the area, which are: to develop analytical methods employing liquid chromatography coupled with mass spectrometry (LC-MS / MS) for the determination of antibiotics in vinasse and treated soil with vinasse and quantitatively evaluate the effect of the presence of these antibiotics in vinasse anaerobic biodigestion.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DA SILVA, JOSIEL JOSE; DA SILVA, BIANCA FERREIRA; STRADIOTTO, NELSON RAMOS; PETROVIC, MIRA; GROS, MERITXELL; GAGO-FERRERO, PABLO. Identification of organic contaminants in vinasse and in soil and groundwater from fertigated sugarcane crop areas using target and suspect screening strategies. Science of The Total Environment, v. 761, MAR 20 2021. Web of Science Citations: 0.
DA SILVA, JOSIEL JOSE; DA SILVA, BIANCA FERREIRA; STRADIOTTO, NELSON RAMOS; PETROVIC, MIRA; GAGO-FERRERO, PABLO; GROS, MERITXELL. Pressurized Liquid Extraction (PLE) and QuEChERS evaluation for the analysis of antibiotics in agricultural soils. METHODSX, v. 7, 2020. Web of Science Citations: 0.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.