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    Author(s): Allan M. Springer; Jeffrey S. Noe; T. H. Wegner
    Date: 1987
    Source: Tappi journal. Vol. 70, no. 4 (Apr. 1987): pages 125-128.
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (112 KB)


    In a retention and drainage control strategy, it is necessary to monitor the concentration of dissolved inorganic material and the concentration of dissolved and colloidal organic material. Conductivity is successful as a sensor to monitor inorganic material. We studied TOC as a means to monitor dissolved and colloidal organic material and found it to work well. Both conductivity and TOC have limitations, and pH, consistency, and temperature need to be controlled.

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    Springer, Allan M.; Noe, Jeffrey S.; Wegner, T. H. 1987. Measurements needed for on-line control of retention and drainage. Tappi journal. Vol. 70, no. 4 (Apr. 1987): pages 125-128.


    Retention, drainage, electrical conductance, conductivity, process control, paper machines, total organic carbon

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