NO853688L - Fremgangsmaate til delignifisering av sulfatcelluloser. - Google Patents

Fremgangsmaate til delignifisering av sulfatcelluloser.

Info

Publication number
NO853688L
NO853688L NO853688A NO853688A NO853688L NO 853688 L NO853688 L NO 853688L NO 853688 A NO853688 A NO 853688A NO 853688 A NO853688 A NO 853688A NO 853688 L NO853688 L NO 853688L
Authority
NO
Norway
Prior art keywords
oxygen
delignification
cellulose
hydrogen peroxide
weight
Prior art date
Application number
NO853688A
Other languages
English (en)
Norwegian (no)
Inventor
Horst Krueger
Hans Ulrich Suess
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of NO853688L publication Critical patent/NO853688L/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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • External Artificial Organs (AREA)
NO853688A 1984-12-19 1985-09-20 Fremgangsmaate til delignifisering av sulfatcelluloser. NO853688L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843446301 DE3446301A1 (de) 1984-12-19 1984-12-19 Verfahren zur delignifizierung von sulfatzellstoffen

Publications (1)

Publication Number Publication Date
NO853688L true NO853688L (no) 1986-06-20

Family

ID=6253194

Family Applications (1)

Application Number Title Priority Date Filing Date
NO853688A NO853688L (no) 1984-12-19 1985-09-20 Fremgangsmaate til delignifisering av sulfatcelluloser.

Country Status (6)

Country Link
EP (1) EP0185858B1 (de)
JP (1) JPS61146894A (de)
AT (1) ATE33998T1 (de)
DE (2) DE3446301A1 (de)
FI (1) FI853492A7 (de)
NO (1) NO853688L (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2230961A1 (en) * 1997-03-04 1998-09-04 Oji Paper Co., Ltd. Process for producing bleached pulp
US5919238A (en) * 1998-03-04 1999-07-06 Ford Global Technologies, Inc. Method for aligning a vehicle suspension
JPWO2015155924A1 (ja) 2014-04-08 2017-04-13 パナソニックＩｐマネジメント株式会社 有機ｅｌ素子及び照明装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719552A (en) * 1971-06-18 1973-03-06 American Cyanamid Co Bleaching of lignocellulosic materials with oxygen in the presence of a peroxide
SE420430B (sv) * 1978-02-17 1981-10-05 Mo Och Domsjoe Ab Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
FI831473L (fi) * 1981-09-04 1983-04-29 Weyerhaeuser Co Behandling av massa med syre
DE3207157C1 (de) * 1982-02-27 1983-06-09 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von halbgebleichten Zellstoffen

Also Published As

Publication number Publication date
DE3446301A1 (de) 1986-06-19
FI853492L (fi) 1986-06-20
DE3562496D1 (en) 1988-06-09
ATE33998T1 (de) 1988-05-15
JPS61146894A (ja) 1986-07-04
FI853492A7 (fi) 1986-06-20
FI853492A0 (fi) 1985-09-12
EP0185858A1 (de) 1986-07-02
EP0185858B1 (de) 1988-05-04

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