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Published in:
2021 | OriginalPaper | Chapter
Valorization of Oilfield Produced Water on the Recovery of Valuable Salt
Authors : Hassan ElGharbi, Mohamed Triki, Ridha Amdouni, Subrata Borgohain Gogoi, Monem Kallel
Published in: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition)
Publisher: Springer International Publishing
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Abstract
Large volumes of Produced Water (PW) are being generated to surface facilities from underground reservoirs during the process of oil and gas extraction. PW is a mixture containing a complex composition of organic and inorganic pollutants threatening the environment. A huge load of salt in PW is mainly depending on the geological framework of the reservoir. In this study, we investigated a lab-scale evaporation-crystallization process coupled with ventilation for the recovery of valuables salt from PW treated by sand filtration. The results show two successive crystallizations of 96,62% and 92,25% Sodium chloride (NaCl), respectively. The effect of ventilation on the acceleration of the crystallization is noticeable.