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Treatment of water and wastewater containing antibiotics by photo-oxidative processes: effect of bio-organic substances (BOS)

Grant number: 14/14083-8
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): September 01, 2014
Effective date (End): June 30, 2015
Field of knowledge:Engineering - Chemical Engineering - Chemical Process Industries
Principal Investigator:Antonio Carlos Silva Costa Teixeira
Grantee:Beatriz Arnaut Dalle Lucca
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil


In view of the current global scenario concerning the environment, the need to develop effective processes for the treatment of water and wastewater containing pharmaceutical compounds becomes an urgent concern. In this context, advanced oxidation processes (AOP) and the so called bioorganic substances (BOS), isolated from the organic fraction of solid waste, gain prominence. The main purpose of this project is to study the degradation of enrofloxacin (ENR), a quinolone antibiotic, by the H2O2-Fe(II)/Fe(III)/UV (photo-Fenton) process in the presence of BOS in different pH ranges. The experiments will be performed at the bench-scale level, under UV radiation (300-400 nm). Measurements of the antibiotic concentration (using high-performance liquid chromatography, HPLC) and total organic carbon (TOC) will be performed in order to evaluate the effect of BOS upon the process performance under different pH values. In addition, nitrate and fluoride analyses will be carried out for selected samples. The results will be discussed by means of response surface models.

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