CA553349A - Procede de reduction en pulpe - Google Patents
Procede de reduction en pulpeInfo
- Publication number
- CA553349A CA553349A CA553349A CA553349DA CA553349A CA 553349 A CA553349 A CA 553349A CA 553349 A CA553349 A CA 553349A CA 553349D A CA553349D A CA 553349DA CA 553349 A CA553349 A CA 553349A
- Authority
- CA
- Canada
- Prior art keywords
- pulping process
- pulping
- 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
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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/028—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O3
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US188487A US2673148A (en) | 1950-10-04 | 1950-10-04 | Alkaline pulping using gaseous oxygen |
Publications (1)
Publication Number | Publication Date |
---|---|
CA553349A true CA553349A (fr) | 1958-02-18 |
Family
ID=22693359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA553349A Expired CA553349A (fr) | 1950-10-04 | Procede de reduction en pulpe |
Country Status (2)
Country | Link |
---|---|
US (1) | US2673148A (fr) |
CA (1) | CA553349A (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2926114A (en) * | 1957-08-12 | 1960-02-23 | Kimberly Clark Co | Manufacture of cellulosic products |
CA632280A (en) * | 1958-07-02 | 1961-12-05 | Kimberly-Clark Corporation | Manufacture of bleached cellulosic products resistant to brightness reversion |
FR1387853A (fr) * | 1963-09-19 | 1965-02-05 | Air Liquide | Délignification et blanchiment des pâtes cellulosiques chimiques et mi-chimiques |
SE355614B (fr) * | 1970-05-13 | 1973-04-30 | Mo Och Domsjoe Ab | |
US4182648A (en) * | 1972-02-07 | 1980-01-08 | Sterling Drug Inc. | Oxygen pulping process |
JPS4887101A (fr) * | 1972-02-22 | 1973-11-16 | ||
SE373395B (sv) * | 1972-12-19 | 1975-02-03 | Mo Och Domsjoe Ab | Forfarande for framstellning av cellulosamassa med hog ljushet genom uppslutning av ved med syrgas under tryck i nervaro av en kokvetska forsatt med basiska neutralisationsmedel |
SE393138B (sv) * | 1974-03-14 | 1977-05-02 | Mo Och Domsjoe Ab | Forfarande for blekning av cellulosa med en syre innehallande gas i nervaro av natriumbikarbonat |
US3910873A (en) * | 1974-05-30 | 1975-10-07 | Westvaco Corp | Production of water-soluble polycarboxylic lignin by an oxygen-alkali process |
US4058433A (en) * | 1975-03-06 | 1977-11-15 | Gulf States Paper Corporation | Conversion of sulfur in blank liquor to eliminate odorous emissions and facilitate the collection of sulfate soaps |
FI53141C (fr) * | 1975-09-02 | 1978-02-10 | Keskuslaboratorio | |
US4664832A (en) * | 1984-09-28 | 1987-05-12 | State Of South Dakota As Represented By The Department Of Transportation | Deicing chemicals and their preparation from polysaccharide sources |
EP3339504A1 (fr) | 2016-12-22 | 2018-06-27 | Lenzing Aktiengesellschaft | Procédé de réduction en pâte de matières premières à base de coton |
CN106948207A (zh) * | 2017-03-29 | 2017-07-14 | 厦门大学 | 一种植物纤维的碱性盐溶液氧化体系蒸煮脱木素制浆方法 |
CN109455837B (zh) * | 2018-10-08 | 2020-07-24 | 厦门大学 | 一种弱碱盐脱除木素所得废液的循环使用方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US21077A (en) * | 1858-08-03 | byman | ||
DE312618C (fr) * | 1912-04-22 | 1900-01-01 | ||
FR540571A (fr) * | 1921-09-01 | 1922-07-13 | Procédé de transformation des végétaux en pâte à papier | |
FR587935A (fr) * | 1924-05-16 | 1925-04-27 | Procédé pour extraire des fibres de cellulose pures de matières contenant de la cellulose et rendues impures par des incrustations, par exemple de la cellulose au sulfite et des matières fibreuses végétales, et pour utiliser les lessives résiduelles | |
BE342081A (fr) * | 1926-05-21 | |||
NL21469C (fr) * | 1927-01-13 | |||
DE559405C (de) * | 1927-09-23 | 1932-09-20 | Arthur St Klein Dipl Ing Dr | Verfahren zur Herstellung von fein zerteiltem Holzzellstoff |
BE370781A (fr) * | 1929-06-07 | |||
US1831032A (en) * | 1929-11-30 | 1931-11-10 | Brown Co | Production of refined wood pulp |
US1996797A (en) * | 1930-11-26 | 1935-04-09 | Dreyfus Henry | Production of cellulosic products |
GB416416A (en) * | 1933-03-07 | 1934-09-07 | Henry Dreyfus | Improvements in the manufacture of cellulose from ligno-cellulosic materials |
FR815651A (fr) * | 1935-12-31 | 1937-07-20 | Procédé de désagrégation de matières fibreuses végétales | |
NL47592C (fr) * | 1937-08-03 | |||
US2234188A (en) * | 1938-03-31 | 1941-03-11 | Masonite Corp | Process of making light-colored ligno-cellulose fiber |
US2538742A (en) * | 1944-02-14 | 1951-01-16 | United States Gypsum Co | Digesting lignocellulose with a rosin soap |
US2516827A (en) * | 1945-07-09 | 1950-07-25 | Ontario Paper Co Ltd | Method of producing vanillin |
-
0
- CA CA553349A patent/CA553349A/fr not_active Expired
-
1950
- 1950-10-04 US US188487A patent/US2673148A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2673148A (en) | 1954-03-23 |
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