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Spectroscopic characterization of soils contaminated with liquid hydrocarbons: potential applications for leakage monitoring in oil facilities and pipelines

Grant number: 15/05728-8
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): December 01, 2015
Effective date (End): October 15, 2018
Field of knowledge:Physical Sciences and Mathematics - Geosciences
Principal Investigator:Carlos Roberto de Souza Filho
Grantee:Rosa Elvira Correa Pabón
Home Institution: Instituto de Geociências (IG). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil


This research involves the creation of spectral libraries and spectroscopic characterization of soils contaminated with hydrocarbons (HCs) to improve methods and systems to monitor bare soils susceptive to be contaminated by HC leaks in petroleum refineries and pipelines. Experiments will develop under laboratory conditions, where controlled contaminations will be made aiming to simulate, in a small scale, soils contaminated by HC leaks. Spectral libraries and its spectroscopic characterization will be performed in the interval between 0,35 - 20 µm, covering the electromagnetic bands visible and infrared. The developed experiments should provide information to: (i) identify the spectral alterations yield in soil signatures due to the pollutant, (ii) establish concentration limits for the detection of the pollutant in the soil, (iii) generate simple statistical models to estimate the HC type and impregnation level involved in the contamination, (iv) assess the possibility of detect contaminated soils using digital information extraction techniques in remote sensing images. It is expected that this hypothesis will be demonstrate, the techniques and methods used here will have potential for operational leaks monitoring around refineries and pipelines.

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)
CORREA PABON, ROSA ELVIRA; DE SOUZA FILHO, CARLOS ROBERTO. Crude oil spectral signatures and empirical models to derive API gravity. FUEL, v. 237, p. 1119-1131, FEB 1 2019. Web of Science Citations: 1.
CORREA PABON, ROSA ELVIRA; DE SOUZA FILHO, CARLOS ROBERTO; DE OLIVEIRA, WILSON JOSE. Reflectance and imaging spectroscopy applied to detection of petroleum hydrocarbon pollution in bare soils. Science of The Total Environment, v. 649, p. 1224-1236, FEB 1 2019. Web of Science Citations: 10.

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