D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
9/2, 341/38, 92/
D21C 7/12 (2006.01) D21B 1/02 (2006.01) D21C 3/22 (2006.01)
Patent
CA 1212505
ABSTRACT A method, process, and apparatus are described wherein includes conveying means for feeding chips and wood residue in a continuous fashion for chemical pretreating, compressing, deairing, dewatering, pressure steaming, pressure releasing, all in accordace with predetermined time intervals, concentration of chemicals in relation to fibre dry weight and retension time in pressure steaming vessel, defibrating chips and wood residue, means to interpret rate of feed to control residue movement throughout the process, according to a predetermined schedule, stored in the memory to further advance the defibrated residue into refiner and further discharging the refined pulp for other treatment.
459020
Kokta Bohuslav V.
Vit Rudy
Kokta Bohuslav V.
Vit Rudy
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