Process for bleaching high yield pulp with hydrogen peroxide by

Details Process for bleaching high yield pulp with hydrogen peroxide by Process for bleaching high yield pulp with hydrogen peroxide by

1991-04-30

1992-12-08

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 90, D21C 916

Patent

active

051694956

ABSTRACT:
High-yield lignocellulosic wood pulps are bleached by treating same with an effective bleaching amount of hydrogen peroxide in an alkaline treatment medium, including adjusting the alkalinity of such pulp by adding a supplementary amount of alkaline agent thereto at that point in time when the amount of hydrogen peroxide consumed ranges from 40% to 75% of the effective amount thereof.

REFERENCES:
Colodette et al., "The Effect of pH Control on Peroxide Brightening of Stonegroundwood Pulp", J. of Pulp and Paper Science: vol. 16, No. 2, Mar. 1990.
Yotsuya et al., Abstract Bulletin of the Institute of Paper Chemistry, vol. 53, No. 4, issued Oct. 1982, Abstract No. 4579.
Abou-State et al., Abstract Bulletin of the Institute of Paper Chemistry, vol. 55, No. 8, issued Feb. 1985, Abstract No. 8870.

Affiliated with

Also associated with

Rating

Process for bleaching high yield pulp with hydrogen peroxide by does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for bleaching high yield pulp with hydrogen peroxide by , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for bleaching high yield pulp with hydrogen peroxide by will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-958788