NO862381L - Delingnifisering og/eller bleking av kjemisk tremasse. - Google Patents

Delingnifisering og/eller bleking av kjemisk tremasse.

Info

Publication number
NO862381L
NO862381L NO862381A NO862381A NO862381L NO 862381 L NO862381 L NO 862381L NO 862381 A NO862381 A NO 862381A NO 862381 A NO862381 A NO 862381A NO 862381 L NO862381 L NO 862381L
Authority
NO
Norway
Prior art keywords
chemical
tremass
nification
particulation
blacking
Prior art date
Application number
NO862381A
Other languages
English (en)
Norwegian (no)
Other versions
NO862381D0 (no
Inventor
Norman Liebergott
Barbara Van Lierop
Original Assignee
Pulp Paper Res Inst
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 Pulp Paper Res Inst filed Critical Pulp Paper Res Inst
Publication of NO862381D0 publication Critical patent/NO862381D0/no
Publication of NO862381L publication Critical patent/NO862381L/no

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO862381A 1985-06-17 1986-06-16 Delingnifisering og/eller bleking av kjemisk tremasse. NO862381L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000484110A CA1251903A (fr) 1985-06-17 1985-06-17 Traitement des pates chimiques non blanchies et chlorees, par recours a un agent alcalin, au peroxyde et a l'oxygene

Publications (2)

Publication Number Publication Date
NO862381D0 NO862381D0 (no) 1986-06-16
NO862381L true NO862381L (no) 1986-12-18

Family

ID=4130718

Family Applications (1)

Application Number Title Priority Date Filing Date
NO862381A NO862381L (no) 1985-06-17 1986-06-16 Delingnifisering og/eller bleking av kjemisk tremasse.

Country Status (6)

Country Link
EP (1) EP0206560A3 (fr)
JP (1) JPS6253497A (fr)
BR (1) BR8602790A (fr)
CA (1) CA1251903A (fr)
FI (1) FI862546A7 (fr)
NO (1) NO862381L (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2023916A1 (fr) * 1989-11-11 1991-05-12 Augustine I Dalton Delignification de fibres ligno-cellulosiques
US6231718B1 (en) 1992-02-28 2001-05-15 International Paper Company Two phase ozone and oxygen pulp treatment
SE9301960L (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
WO2012038966A1 (fr) 2010-09-22 2012-03-29 Tyche Industries Ltd. Procédé de préparation d'un intermédiaire du donépézil
TW201610261A (zh) * 2014-05-20 2016-03-16 喬治亞太平洋消費者產品公司 非木材纖維之漂白及植物性雜質減量方法
TW201610265A (zh) 2014-05-20 2016-03-16 喬治亞太平洋消費者產品公司 非木材纖維之漂白及植物性雜質減量方法
TW201544652A (zh) 2014-05-20 2015-12-01 Georgia Pacific Consumer Prod 非木材纖維之漂白及植物性雜質減量方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1100709A (en) * 1965-06-25 1968-01-24 Pulp Paper Res Inst Two-stage purification of fibrous cellulose material
US3719552A (en) * 1971-06-18 1973-03-06 American Cyanamid Co Bleaching of lignocellulosic materials with oxygen in the presence of a peroxide
DE3207157C1 (de) * 1982-02-27 1983-06-09 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von halbgebleichten Zellstoffen
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage

Also Published As

Publication number Publication date
CA1251903A (fr) 1989-04-04
FI862546A0 (fi) 1986-06-16
NO862381D0 (no) 1986-06-16
BR8602790A (pt) 1987-02-10
EP0206560A3 (fr) 1988-07-20
FI862546L (fi) 1986-12-18
FI862546A7 (fi) 1986-12-18
JPS6253497A (ja) 1987-03-09
EP0206560A2 (fr) 1986-12-30

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