FR1105941A - Blanchiment de la cellulose - Google Patents
Blanchiment de la celluloseInfo
- Publication number
- FR1105941A FR1105941A FR1105941DA FR1105941A FR 1105941 A FR1105941 A FR 1105941A FR 1105941D A FR1105941D A FR 1105941DA FR 1105941 A FR1105941 A FR 1105941A
- Authority
- FR
- France
- Prior art keywords
- cellulose bleaching
- bleaching
- cellulose
- 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
- 238000004061 bleaching Methods 0.000 title 1
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US357889A US2872280A (en) | 1953-05-27 | 1953-05-27 | Process of bleaching cellulose pulps by absorbing alkali in the pulp and then applying hydrogen peroxide |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1105941A true FR1105941A (fr) | 1955-12-09 |
Family
ID=23407435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1105941D Expired FR1105941A (fr) | 1953-05-27 | 1954-05-26 | Blanchiment de la cellulose |
Country Status (5)
Country | Link |
---|---|
US (1) | US2872280A (fr) |
CH (1) | CH321535A (fr) |
DE (1) | DE1046467B (fr) |
FR (1) | FR1105941A (fr) |
GB (1) | GB753769A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3382149A (en) * | 1964-10-29 | 1968-05-07 | Du Pont | Bleaching of hardwood sulfite pulp with hydrogen peroxide, including pretreatment with alkali |
CA1227304A (fr) * | 1984-08-01 | 1987-09-29 | Raymond C. Francis | Defibrage de la pate a papier |
US5562740A (en) * | 1995-06-15 | 1996-10-08 | The Procter & Gamble Company | Process for preparing reduced odor and improved brightness individualized, polycarboxylic acid crosslinked fibers |
US7001484B2 (en) * | 2000-05-04 | 2006-02-21 | University Of New Brunswick | Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE573341C (de) * | 1927-02-27 | 1933-03-31 | Max Steinschneider Dipl Ing | Verfahren zur Herstellung von Zellstoff, insbesondere fuer die Kunstseidefabrikation |
US2037119A (en) * | 1933-07-31 | 1936-04-14 | R H Comey Brooklyn Company Inc | Continuous bleaching process |
US2150926A (en) * | 1937-07-03 | 1939-03-21 | Buffalo Electro Chem Co | Process of making and bleaching paper |
US2189378A (en) * | 1938-02-05 | 1940-02-06 | Buffalo Electro Chem Co | Bleaching fibers and a composition therefor |
US2433370A (en) * | 1940-04-24 | 1947-12-30 | Buffalo Electro Chem Co | Method of scouring cellulosic materials |
US2465738A (en) * | 1945-12-22 | 1949-03-29 | Buffalo Electro Chem Co | Method of bleaching mechanical wood fibers |
US2513344A (en) * | 1946-09-19 | 1950-07-04 | Buffalo Electro Chem Co | Method of bleaching high-density pulp |
US2510595A (en) * | 1946-09-20 | 1950-06-06 | Buffalo Electro Chem Co | Method of bleaching groundwood |
US2613579A (en) * | 1947-08-27 | 1952-10-14 | Buffalo Electro Chem Co | Sizing and bleaching a wet web |
US2598580A (en) * | 1947-10-08 | 1952-05-27 | Buffalo Electro Chem Co | Bleaching or brightening a web of mixed fibers |
-
1953
- 1953-05-27 US US357889A patent/US2872280A/en not_active Expired - Lifetime
-
1954
- 1954-05-14 GB GB14158/54A patent/GB753769A/en not_active Expired
- 1954-05-15 DE DEB31037A patent/DE1046467B/de active Pending
- 1954-05-26 CH CH321535D patent/CH321535A/fr unknown
- 1954-05-26 FR FR1105941D patent/FR1105941A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2872280A (en) | 1959-02-03 |
DE1046467B (de) | 1958-12-11 |
CH321535A (fr) | 1957-05-15 |
GB753769A (en) | 1956-08-01 |
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