10 research outputs found

    Evaluation of membrane fouling and flux decline related with mass transport in nanofiltration of tartrazine solution

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    BACKGROUND: This work was carried out to investigate and analyze the interrelated dynamics of mass transport, membrane fouling and flux decline during nanofiltration of tartrazine. A combined application including pore diffusion transport model and a material balance approach was used to model an experimental flux data obtained from different values of pH (3, 5, 7 and 10), feed-dye concentration (25, 100 and 400 mg L-1), and transmembrane pressure (1200, 1800 and 2400 kPa)
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