Method for bleaching pulp with hydrogen peroxide recovered from

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Including recovery of organic by-product

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

162 29, 162 78, 423588, 423DIG3, D21C 1106, D21C 1112

Patent

active

056288727

ABSTRACT:
The process for producing hydrogen peroxide, used in the bleaching of pulp, uses the hydrogen generated wholly or partly by the gasification or partial combustion of cellulose spent liquors used in digesting cellulose material to produce the hydrogen peroxide.

REFERENCES:
patent: 3762989 (1973-10-01), Timpe
patent: 4552748 (1985-11-01), Berglin et al.
patent: 4553981 (1985-11-01), Fuderer
patent: 4601786 (1986-07-01), Santen et al.
patent: 4808264 (1989-02-01), Kignell
patent: 5374333 (1994-12-01), Nykanen et al.
Decision of the European Board of Appeals, Case No. T 0558/92, Sep. 1993.
Decision of the European Board of Appeals, Case No. T 0407/91, Mar. 1993.
Decision of the European Board of Appeals, Case No. T 0216/85, Jun. 1987.
Decision of the European Board of Appeals, Case No. T 0315/88, Oct. 1989.
Decision of the European Technical Board of Appeals, Case No. T 130/89, Feb. 1990.
Decision of the European Technical Board of Appeal, Case No. T21/81, Sep. 1982.
Decision of the European Technical Board of Appeals, Case No. T 4267/88, Nov. 1990.
Decision of the European Technical Board of Appeals, Case No. T 206/83, Mar. 1986.
Decision of the European Technical Board of Appeals, Case No. T 60/89, Aug. 1990.
Decision of the European Board of Appeals, Case No. T 0214/818, Jun. 1993.
Heydom et al., CEH Product Review, Hyddrogen Peroxide, The Chemical Economics Handbook--SRI International, Jun. 1992, 741,5001 R-741,5001 V.
Liu et al, Hydrogen Production From Black Liquor Wastes, ACS Div, Fuel Chem., Prepr. 21(1976): 1, 53-60.
Liu et al., Pyrolytic Gasification of Kraft Black Liquors, Periodical Unknown, Date Unknown, pp. 161-169.
Ullmann's Encyclopedia of Industrial Chemistry, Fifth, Completely Revised Edition, vol. A13; High-Performance Fibers to Imidazole and Derivatives, pp. 316-385, 443-447.
Rapson et al. "The Effluent-Free Bleached Kraft Pulp Mill"--vo. 156, No. 9, Sep. 1973, TAPPI, pp. 112-115.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method for bleaching pulp with hydrogen peroxide recovered 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 Method for bleaching pulp with hydrogen peroxide recovered from , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for bleaching pulp with hydrogen peroxide recovered from will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1382323

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.