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New Frontiers For Global Water Fingerprinting Of Ultra-trace Elements And Emerging Contaminants In Coproduced Water For A Future Reuse.

Congress: 2015
Author(s): Hugues Preudhomme, Candace E. Rowell, Nora E. Kuiper, Basem Shomar
QEERI - Qatar Foundation1

Keyword(s): Sub-theme 13: Non-conventional sources of water,
AbstractThis research study aims to introduce for the first time comprehensive studies on water quality in Qatar with special focus on the seawater and ultra-high salinity coproduced water from oil or gas field as source of desalination. We will introduce also accurate data and information on organic and inorganic ultra-trace emerging contaminants1, and the potential risks of packaging leaches in case of long-term storage under high temperature and UV exposition. A synergic approach by using ultra high pressure and performance chromatography (UHPLC), high resolution mass spectrometry (QTOF) and highly selective and sensitive elemental mass spectrometry (ICPMS)2 within QEERI facilities was necessary to achieve for the first time a global water fingerprint. The project focuses on water quality assessment in Gulf area; however, the emerging pollutants such as endocrine disrupting chemicals (EDCs) and ultra-trace elements will get special attention. They could have extreme impacts even with very low concentrations (from ppb to ppt level) in the drinking water. The large absolute amount of water (about 50,000 L) ingested by an individual over a lifetime means that human exposure to these chemicals may be significant. Consequently, the speciation of pollutants belonging to the family of trace elements (Se, As....) will be investigated and evaluated using the innovative analytical strategies (UHPLC-ICPMS for a nonspecific screening and speciation of a few heavy metals and ultra-trace elements)3,4. A labscale characterization between different water compartments and following nanomagnetic material treatment would be given to highlight an example of ultra-trace elements remediation. 1) Cavalheiro, J., Monperrus, M., Amouroux, D., Preud'Homme, H., Prieto, A., Zuloaga, O. (2014) In-port derivatization coupled to different extraction techniques for the determination of alkyl-phenols in environmental water samples. Journal of Chromatography A 1340, 1-7. 2) Kuiper, N., Rowell, C., Nriagu, J., Shomar, B. (2014) What do the trace metal contents of urine and toenail samples from Qatar's farm workers bioindicate? Environmental Research 131, 86-94. 3) Preud'Homme, H., Far, J., Gil-Casal, S., Lobinski, R. (2012) Large-scale identification of selenium metabolites by online size-exclusion-reversed phase liquid chromatography with combined inductively coupled plasma (ICP-MS) and Orbitrap mass spectrometry (ESI-MSn). Metallomics 5, 422-432. 4) Serres-Piole, C., Preud'homme, H., Moradi-Tehrani, N., Allanic, C., Jullia, H., Lobinski, R. (2012) Water tracers in oilfield applications: Guidelines. Journal of Petroleum Science and Engineering 98-99, 22-39.
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