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    Introduction

    LFC(Low Fouling Composite)membrane applicable to industrial waste water urban sewerage depth desalting treatment. LFC3-LD the charge on the surface of the membrane is neutral and the introduction of hydrophilic functional groups, almost no effect on the adsorption of surfactant or other charger substances .LFC3-LD on the basis of electrical neutrality and net technology) reducing biological pollution.

    Feature

    1.LFC(Low Fouling Composite)membrane ,the composite membrane has the characteristics of low pressure high flux and high desalination rate. It is also hydrophilic and electrically neutral. Compared with traditional reverse osmosis membrane elements with negative charge. LFC series the surface of the anti-pollution reverse osmosis membrane is electrically neutral of positively charged.
    2.LFC uses different charge surfactants to contact the traditional aromatic polyamide composite film with negative charge respectively, it can be found that the electroneutral reverse osmosis membrane exhibits a stable water flux in different surfactants.
    3.LFC series of 8-inch products featured LFC3-LD 4mil products has LFC3-LD4040 can meet different deeds.

    ApplicationSuitable for industrial and municipal wastewater containing amphoteric or cationic surfactants.Technical Parameter

    Model

    LFC3-LD

    LFC3-LD-4040

    type

    size

    8-inch

    4-inch

    membrane material 

    (Aromatic polyamide composite material

    Membrane active area (m2)

    37.2

    7.4

    Thickness of inlet net

    34(LD技术)

    function

    Average desalinization rate (%)

    99.7

    Mini desalinization (%)

    99.5

    Water yield (m3/d)

    41.6

    8.0

    Testing conditions

    Solution concentration (mg/L)

    1500

    Operating pressure (MPa)

    1.55

    Test temperature (℃)

    25

    Single component water recovery(%)

    15

    The test liquid PH

    6.5-7.0

    Conditions of use

    Maximum operating pressure (MPa)

    4.14

    Maximum inflow (m3/h)

    17.0

    3.6

    Maximum inlet temperature(℃)

    45

    Inlet PH range

    2-10

    Cleaning PH range

    1-12

    Maximum turbidity of water, NTU

    1.0

    Largest  water SDI 

    <5

    Maximum water residual chlorine
    concentration(mg/L)

    0

    Minimum concentration and
    Yield ratio

    5:1

    Single film biggest pressure drop(MPa)

    0.07

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