FR2327357A1 - Procede pour la delignification et le blanchiment de la pate de bois - Google Patents

Procede pour la delignification et le blanchiment de la pate de bois

Info

Publication number
FR2327357A1
FR2327357A1 FR7616069A FR7616069A FR2327357A1 FR 2327357 A1 FR2327357 A1 FR 2327357A1 FR 7616069 A FR7616069 A FR 7616069A FR 7616069 A FR7616069 A FR 7616069A FR 2327357 A1 FR2327357 A1 FR 2327357A1
Authority
FR
France
Prior art keywords
delignification
blanking
wood pulp
pulp
wood
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Withdrawn
Application number
FR7616069A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Paper Co
Original Assignee
International Paper 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.)
Filing date
Publication date
Application filed by International Paper Co filed Critical International Paper Co
Publication of FR2327357A1 publication Critical patent/FR2327357A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Medicines Containing Plant Substances (AREA)
FR7616069A 1975-10-10 1976-05-26 Procede pour la delignification et le blanchiment de la pate de bois Withdrawn FR2327357A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/621,355 US4002526A (en) 1975-10-10 1975-10-10 Oxygen-alkali delignification of low consistency wood pulp

Publications (1)

Publication Number Publication Date
FR2327357A1 true FR2327357A1 (fr) 1977-05-06

Family

ID=24489828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616069A Withdrawn FR2327357A1 (fr) 1975-10-10 1976-05-26 Procede pour la delignification et le blanchiment de la pate de bois

Country Status (11)

Country Link
US (1) US4002526A (fr)
JP (1) JPS6024875B2 (fr)
AT (1) AT349883B (fr)
AU (1) AU502921B2 (fr)
BR (1) BR7603292A (fr)
CA (1) CA1070056A (fr)
FI (1) FI65096C (fr)
FR (1) FR2327357A1 (fr)
NO (1) NO143752C (fr)
SE (1) SE436584B (fr)
ZA (1) ZA762574B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI773597A (fi) * 1976-12-01 1978-06-02 New Zealand Dev Finance Foerfarande foer behandling av lignocellulosa-eller cellulosafibermassa sao att behandlingen fraemjar kroekning av massans fibrer och foerbaettrar papprets rivhaollfasthet
US4622100A (en) * 1984-10-01 1986-11-11 International Paper Company Process for the delignification of lignocellulosic material with oxygen, ferricyanide, and a protector
ATE169699T1 (de) * 1993-06-16 1998-08-15 Lignozym Gmbh Verfahren zur veränderung, abbau oder bleichen von lignin, ligninhaltigen materialien oder kohle
AU5558196A (en) * 1995-04-20 1996-11-07 R-J Holding Company Pulping process
US20030150065A1 (en) * 1998-12-30 2003-08-14 Sheng-Hsin Hu Liquid ammonia explosion treatment of wood fibers
WO2009138090A2 (fr) * 2008-05-14 2009-11-19 Rådet For Agroindustri Procédé pour la fabrication de matière végétale hydrolysée
WO2014148611A1 (fr) * 2013-03-21 2014-09-25 日本たばこ産業株式会社 Procédé de production de liqueur noire et procédé de production de liquide contenant un composant aromatisant
US11154087B2 (en) 2016-02-02 2021-10-26 R.J. Reynolds Tobacco Company Method for preparing flavorful compounds isolated from black liquor and products incorporating the flavorful compounds

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161562A (en) * 1960-12-13 1964-12-15 Champion Papers Inc Pulping cellulose material with an alkaline cooking liquor containing hydrazine
US3274049A (en) * 1965-02-25 1966-09-20 Pullman Inc Process for pulping bagasse with ammonium hydroxide and oxygen
US3401076A (en) * 1965-08-12 1968-09-10 Allied Chem Increasing kraft pulp yield with hydroxylamine
FR2093816A5 (fr) * 1970-05-28 1972-01-28 Pulp Paper Research
FR2207215A1 (fr) * 1972-11-16 1974-06-14 Ahlstroem Oy

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2071304A (en) * 1934-12-04 1937-02-16 Great Western Electro Chemical Co Process of manufacture of products of ground wood pulp
US2271218A (en) * 1937-08-31 1942-01-27 Baudisch Friedrich Method of decomposing maize straw for textile purposes
NL54060C (fr) * 1939-03-22 1942-10-15
US2361639A (en) * 1940-07-15 1944-10-31 Henry A Wallace Process for defibering lignocellulosic materials
US2372561A (en) * 1941-06-19 1945-03-27 Joseph C Elgin Process of treating low rank textile fibers
US2394989A (en) * 1942-03-11 1946-02-19 Bonard Claude Manufacture of cellulose
US3308012A (en) * 1963-08-19 1967-03-07 Du Pont Use of sulfamic acid in chlorination step of multistage bleaching process
US3368935A (en) * 1964-10-12 1968-02-13 Sonoco Products Co Sulfite pulping process with urea
US3507743A (en) * 1965-02-23 1970-04-21 Fmc Corp Bleaching of wood pulps with reductive bleaching agents and thiourea
CA752864A (en) * 1965-10-12 1967-02-14 Pulp And Paper Research Institute Of Canada Extraction of fibrous cellulosic material with ammonia following treatment with chlorine, chlorine dioxide or other reagents
FR1531616A (fr) * 1967-05-24 1968-07-05 Azote Office Nat Ind Procédé de blanchiment textile rapide
CA864409A (en) * 1969-04-14 1971-02-23 H. Andrews Douglas Pulp bleaching process
ZA697269B (en) * 1969-10-15 1971-04-28 Air Liquide Sa Exploit Des Pro Improvements in or relating to the delignification and bleaching of cellulose pulp with oxygen gas
US3740311A (en) * 1971-05-24 1973-06-19 Pulp Paper Res Inst Delignification of cellulosic pulp with ammonia gas followed by heating in the presence of oxygen
US3832276A (en) * 1973-03-07 1974-08-27 Int Paper Co Delignification and bleaching of a cellulose pulp slurry with oxygen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161562A (en) * 1960-12-13 1964-12-15 Champion Papers Inc Pulping cellulose material with an alkaline cooking liquor containing hydrazine
US3274049A (en) * 1965-02-25 1966-09-20 Pullman Inc Process for pulping bagasse with ammonium hydroxide and oxygen
US3401076A (en) * 1965-08-12 1968-09-10 Allied Chem Increasing kraft pulp yield with hydroxylamine
FR2093816A5 (fr) * 1970-05-28 1972-01-28 Pulp Paper Research
FR2207215A1 (fr) * 1972-11-16 1974-06-14 Ahlstroem Oy

Also Published As

Publication number Publication date
FI65096C (fi) 1984-03-12
FI65096B (fi) 1983-11-30
CA1070056A (fr) 1980-01-22
NO143752C (no) 1981-04-08
NO143752B (no) 1980-12-29
AU502921B2 (en) 1979-08-16
SE436584B (sv) 1985-01-07
ZA762574B (en) 1977-04-27
FI761526A (fr) 1977-04-11
JPS5253004A (en) 1977-04-28
ATA398976A (de) 1978-09-15
SE7601934L (sv) 1977-04-11
NO761808L (fr) 1977-04-13
AU1341376A (en) 1977-11-03
JPS6024875B2 (ja) 1985-06-14
US4002526A (en) 1977-01-11
BR7603292A (pt) 1977-05-24
AT349883B (de) 1979-04-25

Similar Documents

Publication Publication Date Title
GB2006852B (en) Delignification of wood pulp
BE849381A (fr) Compositions de blanchiment et leur procede de preparation
BE871895A (fr) Procede pour fabriquer une cellulose faconnable et des produits cellulosiques faconnes
FR2322969A1 (fr) Procede de delignification d'une matiere lignocellulosique
FR2343859A1 (fr) Composition et procede pour la production de papiers et cartons encolles
JPS51112902A (en) Process for making pulp
GB1541058A (en) Pulp refining apparatus
FR2290533A2 (fr) Procede de delignification et de blanchiment des pates de bois a l'aide d'oxygene
YU246470A (en) Process for the decolorization of effluents after bleaching of wood pulp
ZA766073B (en) Production of pulp
BE866171A (fr) L-sucrose et procede pour sa production
FR2297951A1 (fr) Perfectionnements apportes aux machines pour le raffinage de la pate de bois et matieres similair
FR2327357A1 (fr) Procede pour la delignification et le blanchiment de la pate de bois
FR2325660A1 (fr) Procede de production d'ethers cellulosiques gonflables
CA949263A (en) Method of bleaching wood pulp
GB1544446A (en) Processing of pulp
RO75315A (fr) Procede pour produire le coke des materiaux cellulosiques
FR2353674A1 (fr) Procede de delignification et de blanchiment d'une dispersion de pate lignocellulosique par l'ozone
BE791246A (fr) Procede de blanchiment de pulpe de dechets de
JPS5277203A (en) Process for bleaching pulp
GB2005743B (en) Process for the production of softwood pulp for chemical further processing and for special papers
BE864491A (fr) Procede pour ignifuger la matiere fibreuse cellulosique
ZA816105B (en) Process and apparatus for the delignification of pulp
SU670658A1 (ru) Бумажна масса
ZA79388B (en) An anti-pollution process for bleaching wood pulp

Legal Events

Date Code Title Description
ST Notification of lapse