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Influence of hydrolytic and acidogenic activity on the anaerobic biotransformation of organic micropollutants

Grant number: 17/13066-0
Support Opportunities:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): November 01, 2017
Effective date (End): August 31, 2018
Field of knowledge:Engineering - Sanitary Engineering - Water Supply and Wastewater Treatment
Principal Investigator:Marcelo Zaiat
Grantee:Rodrigo Braz Carneiro
Supervisor: Juan Manuel Lema
Host Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Research place: Universidade de Santiago de Compostela, Santiago (USC), Spain  
Associated to the scholarship:15/04427-4 - Performance evaluation of structured and packed bed reactor for removal of sulfamethoxazole and ciprofloxacin, BP.DR


Domestic wastewater treatment by anaerobic route is used worldwide and has great applicability in hot climate countries, as in the case of Brazil. Anaerobic digestion has shown potential for biodegradation of several emerging micropollutants. However, the mechanisms and intervening factors involved in the biotransformation of these compounds, which are essential to elucidate possible transformation products and to promote their complete removal in the biological system through operational strategies, are still unclear. There are indications that the enzymes present at each stage of anaerobic digestion (hydrolysis, acidogenesis, acetogenesis and methanogenesis) may influence the removal of organic micropollutants depending on their chemical structure. Thus, this project intends to investigate the mechanisms involved in the biodegradation of several micropollutants belonging to various classes, such as musk fragrances, anti-inflammatories, antibiotics, neurodrugs and endocrine disrupting compounds, which are present in domestic wastewater. More specifically, the study predicts the influence of the fermentative step on the removal of the compounds of interest. (AU)

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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)
CARNEIRO, RODRIGO B.; GONZALEZ-GIL, LORENA; ANDREA LONDONO, YUDY; ZAIAT, MARCELO; CARBALLA, MARTA; LEMA, JUAN M.. Acidogenesis is a key step in the anaerobic biotransformation of organic micropollutants. JOURNAL OF HAZARDOUS MATERIALS, v. 389, . (17/13066-0)

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