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Ecotoxicological evaluation of the efficiency of the treatment of petroleum produced water in aquatic organisms (Dugesia tigrina e Chironomus riparius)

Grant number: 19/03940-0
Support type:Scholarships abroad - Research Internship - Master's degree
Effective date (Start): April 01, 2019
Effective date (End): September 28, 2019
Field of knowledge:Health Sciences - Pharmacy - Toxicological Analysis
Principal researcher:Danielle Palma de Oliveira
Grantee:Taís Suelen Viana
Supervisor abroad: João Luis Teixeira Pestana
Home Institution: Faculdade de Ciências Farmacêuticas de Ribeirão Preto (FCFRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Research place: Universidade de Aveiro (UA), Portugal  
Associated to the scholarship:18/01010-3 - 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, BP.MS


Oil is one of the most important products for modern society as it is the main source of energy for various industrial sectors. In this way, it has high commercial value and, consequently, high extraction rates. During its productive process, the petroleum industry generates different types of waste. Among them, there is the petroleum produced water, also known as produced water or only petroleum water (PW). This type of waste is the most generated by this segment and constitute a serious environmental problem in terms of waste discard, especially due the complexity of the waste blend. The PW may cause deleterious effects on aquatic biota when discarded without treatment or after ineffective treatment. It may cause irreversible damage to affected ecosystems due to the toxicity of various compounds, such as metals and various organic and inorganic compounds. Therefore, studies on the effects of the PW on the aquatic biota are essential for the preservation of many ecosystems, as well as to the development and standardization of new techniques for PW treatment (since often the conventional treatments used by the industry are not efficient in the removal or reduction of the PW toxicity). Hence, this work proposes an interdisciplinary evaluation (in collaboration with Dr João Pestana from University of Aveiro, Portugal) aiming to evaluate the efficiency of various treatments to reduce the toxicity of water samples produced from crude oil, using the aquatic organisms Chironomus riparius (mosquitos) and Dugesia tigrina (planaria). Acute toxicity tests will be performed to evaluate the mortality, and behavioral tests of locomotion, feeding and regeneration (after decapitation) of planarias exposed to crude and treated samples of PW. In addition, chronic toxicity tests will be performed with Chironomus riparius, according to the norm OECD 218 (with some modifications); to evaluate mortality, growth and development of the mosquitoes exposed to the PW samples. (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)

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