D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
92/56, 9/6
D21C 3/00 (2006.01) D21C 7/00 (2006.01)
Patent
CA 1100268
ABSTRACT OF THE DISCLOSURE This invention provides an improvement in a continuous sulphite or bisulphite cooking method for pulp when the pulp is subjected to a digesting step. The improvement relates to waste liquor being withdrawn from the digester and subjected to one or more expansion steps and characterized in that a low pressure secondary vapour withdrawn from the expansion step is the only material recirculated. The invention also provides an apparatus for carrying out the above.
353045
Suoninen Lassi
Yrjala Ilmo
Mcfadden Fincham
Oy Rauma-Repola
LandOfFree
Continuous pulp digesting method and a digester with... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Continuous pulp digesting method and a digester with..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Continuous pulp digesting method and a digester with... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-333635