2015
DOI: 10.1016/j.desal.2015.07.002
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Effects of superhydrophobic SiO2 nanoparticles on the performance of PVDF flat sheet membranes for vacuum membrane distillation

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Cited by 181 publications
(77 citation statements)
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“…This is because membrane wetting can be avoided and effective mass transfer in air filled pores can be attained. Blending the superhydrophobic silica nanoparticles into PVDF membrane which was prepared via phase inversion resulted in less satisfactory surface wettability in term of water contact angle compared to other works [19,20]. With an additional coating of electro-spun PVDF nano-fibers, PVDF membrane incorporated with superhydrophobic silica nanoparticles showed stable permeate flux in a long run of membrane distillation [20].…”
Section: Introductionmentioning
confidence: 94%
“…This is because membrane wetting can be avoided and effective mass transfer in air filled pores can be attained. Blending the superhydrophobic silica nanoparticles into PVDF membrane which was prepared via phase inversion resulted in less satisfactory surface wettability in term of water contact angle compared to other works [19,20]. With an additional coating of electro-spun PVDF nano-fibers, PVDF membrane incorporated with superhydrophobic silica nanoparticles showed stable permeate flux in a long run of membrane distillation [20].…”
Section: Introductionmentioning
confidence: 94%
“…Por lo que, se ha generado una amplia variedad de investigaciones durante las últimas décadas, debido principalmente al impacto económico causado por el problema de durabilidad, donde se han propuesto una variedad de métodos para mejorar las ECR y que estas sean más duraderas. Sin embargo, la estrategia más común adoptada, es retrasar el proceso de degradación del concreto reforzado por la disminución de la porosidad reduciendo la relación de agua/cemento o la adición de nanopartículas (Efome et al, 2015;Franzoni et al, 2014;Jia et al, 2016;Pacheco-Torgal et al, 2009;Pigino et al, 2012;Pour-Ali et al, 2015). En estudios previos se han ingresado nanopartículas mediante migración en morteros endurecidos y se comprobó el bloqueo de los poros, provocando una disminución de la permeabilidad (Fajardo et al, 2015;Sánchez et al, 2014).…”
Section: Introductionunclassified
“…14 The amide segment of the elastomer was transmitted with the stretching of C=O at 1640 cm -1 . 15,16 Other peaks in the spectrum of the composite membrane at 2869-2939 cm -1 can be attributed to the asymmetric and symmetric stretching of the C-H bond.…”
Section: Chemical Characterisationmentioning
confidence: 99%