CA991462A - Method at periodic cooking of lignocellulosic material - Google Patents
Method at periodic cooking of lignocellulosic materialInfo
- Publication number
- CA991462A CA991462A CA183,760A CA183760A CA991462A CA 991462 A CA991462 A CA 991462A CA 183760 A CA183760 A CA 183760A CA 991462 A CA991462 A CA 991462A
- Authority
- CA
- Canada
- Prior art keywords
- lignocellulosic material
- cooking
- periodic
- periodic cooking
- lignocellulosic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010411 cooking Methods 0.000 title 1
- 239000012978 lignocellulosic material Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000000737 periodic effect Effects 0.000 title 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
- D21C7/10—Heating devices
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7306760A SE434411B (en) | 1973-05-14 | 1973-05-14 | WAY TO IMPROVE HOMOGENITY BY PERIODIC COOKING OF LIGNOCELLULOS MATERIAL |
Publications (1)
Publication Number | Publication Date |
---|---|
CA991462A true CA991462A (en) | 1976-06-22 |
Family
ID=20317466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA183,760A Expired CA991462A (en) | 1973-05-14 | 1973-10-18 | Method at periodic cooking of lignocellulosic material |
Country Status (3)
Country | Link |
---|---|
US (1) | US3907631A (en) |
CA (1) | CA991462A (en) |
SE (1) | SE434411B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4188261A (en) * | 1975-04-18 | 1980-02-12 | Sca Development Aktiebolag | Method of improving the homogeneity of lignocellulose containing material |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1831206A (en) * | 1931-03-06 | 1931-11-10 | Paper Patents Co | Digester system |
US1905050A (en) * | 1932-04-29 | 1933-04-25 | Nekoosa Edwards Paper Co | Apparatus for and method of cooking wood pulp |
US3298889A (en) * | 1963-05-20 | 1967-01-17 | Meyer Geo J Mfg Co | Label picker apparatus |
US3467573A (en) * | 1965-12-13 | 1969-09-16 | Improved Machinery Inc | Upflow digester containing means for separate removal of wash liquor and pulping liquor and method of pulping in said digester |
-
1973
- 1973-05-14 SE SE7306760A patent/SE434411B/en unknown
- 1973-06-08 US US368032A patent/US3907631A/en not_active Expired - Lifetime
- 1973-10-18 CA CA183,760A patent/CA991462A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3907631A (en) | 1975-09-23 |
SE434411B (en) | 1984-07-23 |
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