1. LHS = FO4190
    Middle = EM440CT
    RHS = EM440LOB

    Beakers slow mixed at 20rpm.
    Poor flocculation observed with inadequate mixing.
    Speed increased to 300rpm to demonstrate floc formation.

    # vimeo.com/82271717 Uploaded 14 Plays 0 Comments
  2. LHS = FloPam FO4190 at 12ppm
    Middle = FloPam EM440CT at 12ppm (active dose)
    RHS = FloPam EM440LOB at 12ppm (active dose)

    Samples mixed at 300rpm for 30 seconds and then slow stirred at 50rpm for 1 minute.

    # vimeo.com/82204563 Uploaded 29 Plays 0 Comments
  3. FloPam FO4190 at 12ppm (LHS)
    FloPam EM440CT at 12ppm on an active basis (Middle beaker)
    FloPam EM440LOB at 12ppm on an active basis (RHS)

    Stirrer set at 150rpm for 30seconds followed by 50rpm for 5 minutes.

    Emulsion products form faster flocs

    # vimeo.com/82203128 Uploaded 21 Plays 0 Comments
  4. From left to right the cylinders have been dosed with the following (Emulsion dosages quoted on an 'as received' basis);
    LHS 12ppm FloPam FO4190
    12ppm FloPam EM440LOB
    24ppm FloPam EM440LOB
    12ppm FloPam EM440CT
    24ppm FloPam EM440CT
    Optimum = 24ppm FloPam EM440CT

    # vimeo.com/82203023 Uploaded 14 Plays 0 Comments
  5. From left to right the cylinders have been dosed with the following (Emulsion dosages quoted on an 'as received' basis);
    LHS 12ppm FloPam FO4190
    12ppm FloPam EM440LOB
    24ppm FloPam EM440LOB
    12ppm FloPam EM440CT
    24ppm FloPam EM440CT

    Optimum = 24ppm FloPam EM440CT

    # vimeo.com/82202975 Uploaded 9 Plays 0 Comments

Flocculation

Kerstin Botham

Comparing the performance of powder and emulsion polymers under different mixing conditions.

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