Silt Density Index (SDI) Monitoring News

  • A New Way to Determine Fouling

    A new ASTM test method serves as an important option in determining the potential of particulate matter to cause fouling in pressure-driven membrane processes used in water treatment. ASTM members say that this new alternative (soon to be published as D8002, Test Method for Modified Fouling Index (MFI-0.45) of Water) will help end the struggle to entirely change an existing test method (D4189, ...


    By ASTM International

  • Electropositive Pleated Cartridges exhibit ultra-low SDI values

    Argonide’s patented NanoCeram® technology has staked a claim in the demanding membrane prefiltration market. The Sanford, Florida-based company manufactures a full line of standard filter cartridges based on their patented NanoCeram® electropositive media. This media yields SDI (Silt Density Index) values averaging ...


    By Argonide Corporation

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