Pollution free pulping process using recycled wash effluent from

Details Pollution free pulping process using recycled wash effluent from Pollution free pulping process using recycled wash effluent from

1985-04-24

1986-10-28

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With regeneration, reclamation, reuse, recycling or...

162 37, 162 65, 162 78, D21C 9147, D21C 9153, D21C 916

Patent

active

046197338

ABSTRACT:
A pollution free pulping process wherein a lignocellulosic material is subjected to various pulping and bleaching steps without the use of sulphur and chlorine. The system is a closed one thus minimizing energy and chemical requirements while permitting one to obtain a product having excellent physical properties.

REFERENCES:
patent: 4131508 (1978-12-01), Laakso
patent: 4196043 (1980-04-01), Singh
patent: 4372812 (1983-02-01), Phillips et al.
Andrews et al., "Oxygen Delignification and Bleaching of Soda-Anthraquinone Pulps", TAPPI, vol. 62, No. 6, Jun. 1979, p. 29.
Fujii et al., Oxygen Pulping of Hardwoods, TAPPI, vol. 61, No. 8, Aug. 1978, p. 37.
Soteland, "Bleaching of Chemical Pulps with Oxygen and Ozone", Pulp and Paper Magazine Canada, vol. 75, No. 4; Apr. 1974, p. 91.

Affiliated with

Also associated with

Rating

Pollution free pulping process using recycled wash effluent from does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pollution free pulping process using recycled wash effluent from, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pollution free pulping process using recycled wash effluent from will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1345033