Hollow fibre membrane oscillations against fouling process – a numerical study

• Autorzy: Gac J.M. , Gradoń L.

Identyfikatory

DOI

10.2478/cpe-2014-0011

• Języki publikacji: EN

Abstrakty

EN

The modelling of colloidal fouling and defouling of hollow fibre membranes in the presence of membrane oscillations is analysed by means of numerical simulations as an effect of complex coupling between hydrodynamic and surface forces. To describe the latter the Derjaguin-Landau-Vervey-Overbeek (DLVO) model has been employed. We have investigated the influence of various parameters of the process like flow rate, mean particle diameter, amplitude and frequency of the oscillations, and others, on the efficiency of the defouling process. The investigated parameters is close to that of a silica suspension in , a typical system modelling used to investigate membranę separation. On the basis of numerical simulation resu lts e have defined an optimal set of parameters preventing membrane fouling.

Słowa kluczowe

EN

hollow fibre membrane; fouling; numerical modelling; DLVO model

PL

membrana z włókna; zanieczyszczenie; modelowanie numeryczne; model DLVO

• Wydawca: Komitet Inżynierii Chemicznej i Procesowej Polskiej Akademii Nauk
• Czasopismo: Chemical and Process Engineering
• Rocznik: 2014
• Tom: Vol. 35, nr 1
• Strony: 149--158
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Gac J.M.

• Warsaw University of Technology, Faculty of Chemical and Process Engineering, ul. Waryńskiego 1, 00-645 Warszawa, Poland

autor

Gradoń L.

• Warsaw University of Technology, Faculty of Chemical and Process Engineering, ul. Waryńskiego 1, 00-645 Warszawa, Poland

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