Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Continuous chemical treatment or continuous charging or...
Patent
1989-04-06
1991-01-08
Alvo, Steve
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Continuous chemical treatment or continuous charging or...
162 19, 162 25, 162 56, 162 60, 162140, D21C 326, D21C 910, D21H 2700
Patent
active
049832565
ABSTRACT:
In the method for the manufacture of a paper pulp for currency use from a stock comprising textile fibers, the operations of boiling, bleaching, chopping, breaking, cutting and washing of the textile fibers are performed in at least one treatment machine (10, 40) of the type having two co-rotating screws, in a plurality of phases taking place successively and continuously. The operations include a phase of feeding and mixing the stock with water, at least oen compression phase, at least one phase of shearing of the textile fibers, at least one phase of treatment of introduction of boiling and bleaching reagents, at least one phase of washing of the bleached pulp by introduction of washing water, and a phase of transferring and evacuating the bleached and washed pulp.
REFERENCES:
patent: 4088528 (1978-05-01), Berger et al.
patent: 4214927 (1980-07-01), Berger
patent: 4563243 (1986-01-01), Koch
Chouders et al., ABIPC Abstract No. 537, "Bleached Chemimechanical Pulps" tained by the Bi-Vis, 2-1987.
Angelier Robar
Combette Ph.
Vieu Christian
Alvo Steve
Banque de Frane
Centre Technique de l'Industries des Papiers Cartons et Cellulos
Clextral
LandOfFree
Method for the manufacture of a paper pulp for currency use does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for the manufacture of a paper pulp for currency use, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the manufacture of a paper pulp for currency use will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-932529