Publication: Using pressure-driven membrane processes to remove emerging pollutants from aqueous solutions
Authors
Hidalgo, A.M. ; León, G. ; Murcia, M.D. ; Gómez, M. ; Gómez, E. ; Gómez, J.L.
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Publisher
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DOI
https:// doi.org/10.3390/ijerph18084036
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info:eu-repo/semantics/article
Description
©2021. This manuscript version is made available under the CC-BY 4.0 license http://creativecommons.org/licenses/by /4.0/
This document is the Published, version of a Published Work that appeared in final form in International Journal of Environmental Research and Public Health. To access the final edited and published work see https:// doi.org/10.3390/ijerph18084036
Abstract
Currently, there is great concern about global water pollution. Wastewater generally
contains substances called emerging pollutants, and if the removal of these pollutants is not given
sufficient attention, the pollutants can enter into the water cycle and reach the water supply for
domestic use, causing adverse effects on the well-being of people. In order to avoid this menace,
a multitude of techniques to reduce the high concentration levels of these substances dissolved in
water are being researched and developed. One of the most-used techniques for this goal is the
physical-chemical separation of contaminants in water through membrane technology. In this study,
different membranes were tested with the objective of investigating the removal of three emerging
pollutants: caffeine, metformin, and methyl-paraben. Initially, a nanofiltration (NF) membrane was
selected, and the influence of pressure was evaluated in the rejection coefficients and permeate fluxes.
Next, a screening of three new membranes to remove methyl paraben was completed. The influence
of the operating variables, working pressure, and methyl paraben-feed concentration was checked.
Finally, the solution-diffusion model was applied to predict the behavior of the different membranes
in the removal of methyl paraben. A good correlation between experimental and calculated values of
permeate flux and methyl paraben concentration was obtained.
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Citation
International Journal of Environmental Research and Public Health
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