2005
DOI: 10.1016/j.desal.2004.03.023
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Effect of operating parameters on permeate flux decline caused by cake formation — a model study

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Cited by 27 publications
(15 citation statements)
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“…In addition, the higher the crossflow velocity was, the higher the steady-state permeate flux was. According to other authors (Lin et al 2004), the shear stress and turbulence produced by an increase in crossflow velocity may prevent membrane surface from severe fouling. Therefore, the permeate flux achieved at the end of the UF run increased as CFV increased.…”
Section: Modelling Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…In addition, the higher the crossflow velocity was, the higher the steady-state permeate flux was. According to other authors (Lin et al 2004), the shear stress and turbulence produced by an increase in crossflow velocity may prevent membrane surface from severe fouling. Therefore, the permeate flux achieved at the end of the UF run increased as CFV increased.…”
Section: Modelling Resultsmentioning
confidence: 99%
“…On the other hand, the trend observed as the crossflow velocity increased was the opposite as that reported for the transmembrane pressure, as expected, since permeate flux decline decreased with crossflow velocity for a fixed value of transmembrane pressure. Crossflow velocity has a favourable influence on membrane filtration performance: the shear stress caused at high crossflow velocities may reduce concentration polarization and solute precipitation, preventing the membrane from a severe fouling (Lin et al 2004). Therefore, the greatest the crossflow velocity was for a given transmembrane pressure, the lowest the permeate flux decline was.…”
Section: Tmp (Bar)mentioning
confidence: 99%
“…O efeito da velocidade tangencial no fluxo permeado está associado ao aumento da turbulência, reduzindo a espessura da camada polarizada (LIN et al, 2004). Além disso, a velocidade tangencial aumenta a taxa de cisalhamento próxima à membrana e, consequentemente, há uma redução do depósito de partículas (moléculas ou coloides) e da retrodifusão dos compostos que são conduzidos até a membrana, responsáveis pela redução de fluxo (DRIOLI et al, 2003).…”
Section: Caracterização Da Alimentaçãounclassified
“…Enhanced surface shear, for example caused by an increased cross-flow velocity, is a common strategy to control concentration polarization and fouling in submerged HF systems [138,198,199]. Unsteady-state shear, such as two-phase flow (i.e., gas bubbles or fluidized particles) and vibration, is more energy-efficient than steady-state shear [123].…”
Section: Hydrodynamics In Submerged Hf Membranesmentioning
confidence: 99%