FR2367860A1 - Procede de preparation de pate de bois - Google Patents
Procede de preparation de pate de boisInfo
- Publication number
- FR2367860A1 FR2367860A1 FR7730951A FR7730951A FR2367860A1 FR 2367860 A1 FR2367860 A1 FR 2367860A1 FR 7730951 A FR7730951 A FR 7730951A FR 7730951 A FR7730951 A FR 7730951A FR 2367860 A1 FR2367860 A1 FR 2367860A1
- Authority
- FR
- France
- Prior art keywords
- shavings
- single stage
- pulper
- wood
- wood pulp
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4287876A GB1569264A (en) | 1976-10-15 | 1976-10-15 | Circuit for the visual monitoring of voltage |
GB250177A GB1588140A (en) | 1977-01-21 | 1977-01-21 | Method of preparing bleached pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2367860A1 true FR2367860A1 (fr) | 1978-05-12 |
Family
ID=26237559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7730951A Withdrawn FR2367860A1 (fr) | 1976-10-15 | 1977-10-14 | Procede de preparation de pate de bois |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2367860A1 (sv) |
SE (1) | SE7711552L (sv) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2371544A1 (fr) * | 1976-11-23 | 1978-06-16 | Defibrator Ab | Procede et appareil pour la production continue de pulpe a partir de matieres fibreuses en cellulose de bois |
EP0333398A2 (en) * | 1988-03-16 | 1989-09-20 | Morton International, Inc. | Process for bleaching mechanical wood pulp |
-
1977
- 1977-10-13 SE SE7711552A patent/SE7711552L/sv unknown
- 1977-10-14 FR FR7730951A patent/FR2367860A1/fr not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2371544A1 (fr) * | 1976-11-23 | 1978-06-16 | Defibrator Ab | Procede et appareil pour la production continue de pulpe a partir de matieres fibreuses en cellulose de bois |
EP0333398A2 (en) * | 1988-03-16 | 1989-09-20 | Morton International, Inc. | Process for bleaching mechanical wood pulp |
US5129987A (en) * | 1988-03-16 | 1992-07-14 | Morton Thiokol, Inc. | Process for bleaching mechanical wood pulp with sodium hydrosulfite and sodium hydroxide in a refiner |
Also Published As
Publication number | Publication date |
---|---|
SE7711552L (sv) | 1978-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |