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The Influence of Electrochemical Properties of Membranes and Dispersions on Microfiltration

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F11%3A39892300" target="_blank" >RIV/00216275:25310/11:39892300 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    The Influence of Electrochemical Properties of Membranes and Dispersions on Microfiltration

  • Original language description

    The influence of particle shape, zeta-potential and size with change of pH and ionic strength on permeate flux during the microfiltration of model dispersions on flat sheet ceramic membranes (ZrO2, mean size of pores 0.2 mikrons) have been studied. The experiments include measurement of the basic characteristics of model dispersions. The description of the experimental system is also presented. The results of the experiments show that zeta-potential of particles have indispensable impact on the permeateflux. This phenomenon is especially pronounced during the microfiltration of dispersion in the area close to isoelectric point of dispersion, when the value of permeate flux increased to double value of non-treated dispersion. This phenomenon has causedthe particle interaction. In the area close to isoelectric point the dispersion had tendency to instability, particles tend to aggregate. It resulted in a higher porosity of filter cake and thereby to a higher value of the permeate flux

  • Czech name

  • Czech description

Classification

  • Type

    C - Chapter in a specialist book

  • CEP classification

    CI - Industrial chemistry and chemical engineering

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Book/collection name

    Expanding Issues in Desalination

  • ISBN

    978-953-307-624-9

  • Number of pages of the result

    16

  • Pages from-to

    181-196

  • Number of pages of the book

    412

  • Publisher name

    InTech

  • Place of publication

    Rijeka

  • UT code for WoS chapter