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Title: Removal of ciprofloxacin from seawater by reverse osmosis
Authors: Alonso, J. Jaime Sadhwani 
El Kori, Nenna
Melián-Martel, N. 
Del Río-Gamero, B. 
UNESCO Clasification: 3308 Ingeniería y tecnología del medio ambiente
Keywords: Emerging pollutants
Membrane processes
Reverse osmosis
Ciprofloxacin, et al
Issue Date: 2018
Journal: Journal of Environmental Management 
Abstract: Much of the deterioration of water resources is anthropogenically caused as a consequence of the incessant production of chemical compounds to obtain the quality of life that society demands today. This constant presence and harmful accumulation of these pollutants in different ecosystems have seen them emerge as a major concern both for human health and for environmental safety. Scientific advances have succeeded in legislating against, reducing and even eliminating priority pollutants, while new technologies are being constantly developed to identify and treat newly emerging pollutants. The objective of this work is the evaluation of the seawater reverse osmosis membrane as a method for the removal of an antibiotic present in seawater. The novelty of the study is that the tests were undertaken using water of high ionic strength. A critical selection of the antibiotic to be used in the study was carried out. The experiments were performed under constant pressure conditions, employing synthetic seawater in a pilot-scale unit with a commercial spiral-wound reverse osmosis membrane. Results are shown in terms of selectivity of the reverse osmosis process for antibiotic removal. The RO membrane element successfully reject most of the ciprofloxacin (removal rate >90%), with maximum rejection value of 99.96%.
ISSN: 0301-4797
DOI: 10.1016/j.jenvman.2018.03.108
Source: Journal of Environmental Management[ISSN 0301-4797],v. 217, p. 337-345
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