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Segregating wood and bark chips by photosorting.Author(s): John A. Sturos; Douglas B. Brumm
Source: Research Paper NC-164. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Publication Series: Research Paper (RP)
Station: North Central Research Station
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DescriptionSpectral transmittance measurements on aspen, sugar maple, and loblolly pine wood and bark chips resulted in peak wood-to-bark transmission ratio ranges from 10 to 50. Preliminary segregation results from an experimental photosorter indicate than 70 to 80% of the wood fiber can be recovered with less than a 2% bark content.
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CitationSturos, John A.; Brumm, Douglas B. 1978. Segregating wood and bark chips by photosorting. Research Paper NC-164. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Keywordschip quality, whole-treechips, pulpwood, optical density, spectral transmittance
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