A process for bleaching a lignocellulosic pulp

Details A process for bleaching a lignocellulosic pulp A process for bleaching a lignocellulosic pulp

D - Textiles, Paper

21

C

D21C 9/14 (2006.01) D21C 9/10 (2006.01)

Patent

CA 2404691

The invention relates to improvements in the bleaching of a lignocellulosic pulp by adding carbon dioxide to provide a beneficial pH profile in the chlorine dioxide bleaching or delignification. The resulting bleached pulp is used in the production of paper or pulp. The invention also relates to the use of carbon dioxide for providing a desired pH profile in a chlorine dioxide bleaching stage.

L'invention porte sur des améliorations apportées au blanchiment d'une pâte lignocellulosique en ajoutant du dioxyde de carbone afin de conférer un profil de pH avantageux au blanchiment ou à la délignification au dioxyde de chlore. La pâte ainsi blanchie est utilisée dans la production de papier ou de pâte. L'invention concerne également l'utilisation de dioxyde de carbone afin de conférer un profil de pH voulu à une étape de blanchiment au dioxyde de chlore.

Affiliated with

Also associated with

Rating

A process for bleaching a lignocellulosic pulp does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with A process for bleaching a lignocellulosic pulp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A process for bleaching a lignocellulosic pulp will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1683355