CA553349A - Procede de reduction en pulpe - Google Patents

Procede de reduction en pulpe

Info

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
Application number
CA553349A
Other languages
English (en)
Inventor
C. Harris George
Original Assignee
Hercules Powder Co
Priority date (The priority date 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 date listed.)
Publication date
Application granted granted Critical
Publication of CA553349A publication Critical patent/CA553349A/fr
Expired legal-status Critical Current

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)
CA553349A 1950-10-04 Procede de reduction en pulpe Expired CA553349A (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
GB416558A (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
BE428517A (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

Also Published As

Publication number Publication date
US2673148A (en) 1954-03-23

Similar Documents

Publication Publication Date Title
CA553349A (fr) Procede de reduction en pulpe
CA469451A (fr) Machines de tringlage
CA468044A (fr) Acylaceto guanazoles
CA463133A (fr) Pince a linge
CA467595A (fr) Petoires
CA465093A (fr) Perforateur a papier
CA466359A (fr) Pilon
CA466758A (fr) Machine a couper des cigarettes
CA466589A (fr) Machine a fabriquer des hamecons
CA464710A (fr) Machine a brocher des boites
CA465570A (fr) Machine a fabriquer des noyaux
CA466701A (fr) Machine a fixer des nageoires sur tubes
CA463838A (fr) Tour a gabarit
CA465079A (fr) Mecanisme de douille de serrage
CA462435A (fr) Appareil a repasser les gants
CA467376A (fr) Machines a poser des transferts
CA462941A (fr) Procede de teinture
CA469322A (fr) Fers a repasser
CA465063A (fr) Machine a fabriquer le papier
CA465207A (fr) Pince a linge
CA463493A (fr) Pince a linge
CA463951A (fr) Pince a linge
CA464623A (fr) Tour
CA463711A (fr) Procede de fabrication
CA466855A (fr) Calandre