D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
9/2
D21C 3/00 (2006.01) D21C 3/26 (2006.01)
Patent
CA 2019004
- 18 - TITLE HIGH YIELD PULPING AND BLEACHING PROCESS FOR THE PRODUCTION OF PULP OF HIGH STRENGTH AND HIGH BRIGHTNESS FOR PAPERMAKING Inventors Michel Barbe James MacDonald Sophie Janknecht ABSTRACT OF THE DISCLOSURE A method of producing chemi-mechanical pulps suitable for papermaking which comprises impregnating chips with a bleaching solution under conditions of pH, temperature and concentration for all chemicals to be soluble and chemically react with the lignocellulosic material, reacting these chemicals with the lignocellulosic materials for sufficient time at adequate temperature to improve brightness and lower the elastic shear modulus of the wood chips so as to improve the pulp strength, refining the chips to produce pulp, diluting and dewatering the pulp, bleaching the pulp with a bleaching solution under conditions of pH, temperature and concentration for all chemicals to be soluble and chemically react with the lignocellulosic material, diluting and dewatering the bleached pulps, and refining the bleached pulp.
Barbe Michel
Janknecht Sophie
Macdonald James
Barbe Michel
Hymac Ltd.
Janknecht Sophie
Macdonald James
Ogilvy Renault
LandOfFree
High yield pulping and bleaching process for the production... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with High yield pulping and bleaching process for the production..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High yield pulping and bleaching process for the production... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1550986