Thermomechanical digestion process for enhancing the brightness

Details Thermomechanical digestion process for enhancing the brightness Thermomechanical digestion process for enhancing the brightness

1985-09-04

1987-08-25

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Continuous chemical treatment or continuous charging or...

162 22, 162 25, 162 65, 162 78, 162 83, 162 94, 162 96, 162 97, D21C 326

Patent

active

046891170

ABSTRACT:
The brightness of a thermomechanical pulp can be improved if a serial multiple blowdown technique is used and a bleachant is present at an effective concentration throughout the thermomechanical pulping process.

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patent: 4347101 (1982-08-01), Villavicencio
Pulping Processes; S. A. Rydholm Interscience Publishers; New York.

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