Woodworking – Process – Timber harvesting or processing
Patent
1985-10-03
1987-06-16
Bray, W. D.
Woodworking
Process
Timber harvesting or processing
144208B, 144340, 210251, 210400, B27L 100
Patent
active
046730133
ABSTRACT:
Effluent treatment for the woodrooms of wood processing industries, e.g. paper and pulp mills, wherein the water separated from the bark and containing fibres is passed back onto an existing conveyor of wet bark, provided with a perforated bottom, so that some of the fibre contained in the water is filtered and mixed with the bark and passes along with the bark to dewatering.
REFERENCES:
patent: 2038658 (1936-04-01), Karlstrom
patent: 2083445 (1937-06-01), Hellorg et al.
patent: 4432403 (1984-02-01), Heikkinen
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