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    Author(s): Gary C. Myers
    Date: 2004
    Source: Wood and fiber science. Vol. 36, no. 4 (2004): Pages 476-482
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (125 KB)

    Description

    To restore and maintain ecosystem health and function in the western interior of the United States, many small-diameter stems need to be removed from densely stocked stands. These stems are considered nonusable or underutilized (good, economical uses need to be developed). As of now, the most logical use for the small-diameter resource is pulp. In this study, thermomechanical pulps (TMP) were prepared and evaluated from lodgepole pine submerchantable logs, utilizing different preparation procedures to show that mechanical pulping is a viable option for utilizing this small-diameter resource. Compared with TMP prepared from sawmill residue chips, the unscreened submerchantable log TMP used less electrical energy, retained more of the original fiber length, but had slightly lower physical and optical properties. Wood handling and debarking costs of the submerchantable log resource might be higher because of the small diameters.

    Publication Notes

    • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Myers, Gary C. 2004. Optimizing lodgepole pine submerchantable log thermomechanical pulp. Wood and fiber science. Vol. 36, no. 4 (2004): Pages 476-482

    Keywords

    Lodgepole pine, small diameter, mechanical pulping, thermomechanical pulping (TMP), pulp properties, paper properties

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