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Evaluation of the efficiency of treatment by advanced oxidation processes (AOP) in the removal/reduction of toxicity induced in aquatic organisms by wastewater produced by petroleum industries

Grant number: 18/01010-3
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): May 01, 2018
Effective date (End): January 28, 2020
Field of knowledge:Biological Sciences - Pharmacology - Toxicology
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Danielle Palma de Oliveira
Grantee:Taís Suelen Viana
Host Institution: Faculdade de Ciências Farmacêuticas de Ribeirão Preto (FCFRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Associated scholarship(s):19/03940-0 - Ecotoxicological evaluation of the efficiency of the treatment of petroleum produced water in aquatic organisms (Dugesia tigrina e Chironomus riparius), BE.EP.MS


Petroleum oily sludge is a residue produced by the oil industry that is also known as produced water and residual water from petroleum. Being ditched in aquatic environments, this contaminant can affect their biota and may lead to irreversible damages to the impaired ecosystems. Produced water toxicity is due to its diverse composition, such as heavy metals, organic and inorganic compounds. Therefore, it has to be properly and efficiently treated before being discarded. The traditional methods for treatment of petroleum oily sludge are not always sufficient to neutralize its toxicity, so that advanced oxidation processes (AOPs), such as photocatalysis, photoelectrocatalysis, ozonation and photoelectrocatalytic ozonation, have to be employed. The present study aims to evaluate the AOPs, and the assessment of how effective they are in either removing or lessening the toxicity of produced water is going to be done by comparing samples of aquatic organisms exposed to the treated and gross effluents. For this purpose, a teratogenicity assay to determine lethality and sub-lethality comprises the use of Zebrafish (Danio rerio) at an embyo-larval stage and the DanioScope software in accordance with the Embryo Acute Toxicity (FET) test OECD (number 236). Additionally, for the ecotoxicity assay, acute and chronic toxicities are to be evaluated for micro-crustacean samples of Daphnia similis and Ceriodaphnia dubia. (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)
VIANA, T. S.; RIALTO, T. C. R.; BRITO, J. F. D.; MICAS, A. F. D.; ABE, F. R.; SAVAZZI, E. A.; BOLDRIN ZANONI, M. V. B.; DE OLIVEIRA, D. P.. Effects of water produced by oil segment on aquatic organisms after treatment using advanced oxidative processes. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH-PART A-CURRENT ISSUES, v. 84, n. 22, . (18/01010-3, 14/50945-4, 19/03940-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
VIANA, Taís Suelen. Evaluation of ecotoxicity of water produced from oil before and after different treatments in aquatic organisms (Danio rerio, Vibrio fischeri, Daphnia similis, Daphnia magna, Chironomus riparius and Dugesia tigrina). 2021. Master's Dissertation - Universidade de São Paulo (USP). Faculdade de Ciências Farmacêuticas de Ribeirão Preto (PCARP/BC) Ribeirão Preto.

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