Bio-Refiner Mechanical Pulping of Bast Type Fibers, 1994 Pulping Conference Proceedings

H. S. Sabharwal, M. Akhtar, R. A. Blanchette, R. A. Young

Cut bast strands from kenaf and jute untreated and treated with a CA-3 strain of whit-rot fungus Ceriporiopsis subvermispora were refined in a laboratory single disc refiner under atmospheric conditions. First stage refining was carried to about 500 mls. csf. Second stage refining was carried out at various clearance levels to varying degrees for freeness. The energy consumption in refining was substantially lower and the strength properties higher for the fungal treated bast strands. The opacity and drainage properties were also superior for bio-mechanical bast pulps; however the brightness level was lower. Scanning electron microscopy of fungal treated bast strands after refining showed fibers appeared to separate more readily from adjacent fibers that noninoculated treatments.

Author: Sabharwal, H.S., Akhtar, M., Blanchette, R.A., Young, R.A.
Bio-Refiner Mechanical Pulping of Bast Type Fibers, 1994 Pul
Bio-Refiner Mechanical Pulping of Bast Type Fibers, 1994 Pulping Conference Proceedings
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