AU1797597A - Process for bleaching of a high yield pulp - Google Patents

Process for bleaching of a high yield pulp

Info

Publication number
AU1797597A
AU1797597A AU17975/97A AU1797597A AU1797597A AU 1797597 A AU1797597 A AU 1797597A AU 17975/97 A AU17975/97 A AU 17975/97A AU 1797597 A AU1797597 A AU 1797597A AU 1797597 A AU1797597 A AU 1797597A
Authority
AU
Australia
Prior art keywords
bleaching
high yield
yield pulp
pulp
yield
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.)
Abandoned
Application number
AU17975/97A
Other languages
English (en)
Inventor
Reijo Aksela
Aarto Paren
Ilkka Renvall
Elias Suokas
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.)
Kemira Chemicals Oy
Original Assignee
Kemira Chemicals Oy
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 Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Publication of AU1797597A publication Critical patent/AU1797597A/en
Abandoned 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/1042—Use of chelating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU17975/97A 1996-02-19 1997-02-19 Process for bleaching of a high yield pulp Abandoned AU1797597A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI960758 1996-02-19
FI960758A FI115641B (fi) 1996-02-19 1996-02-19 Korkeasaantomassojen valkaisumenetelmä
PCT/FI1997/000108 WO1997030210A1 (fr) 1996-02-19 1997-02-19 Procede de blanchiment de pate haut rendement

Publications (1)

Publication Number Publication Date
AU1797597A true AU1797597A (en) 1997-09-02

Family

ID=8545487

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17975/97A Abandoned AU1797597A (en) 1996-02-19 1997-02-19 Process for bleaching of a high yield pulp

Country Status (3)

Country Link
AU (1) AU1797597A (fr)
FI (1) FI115641B (fr)
WO (1) WO1997030210A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69811786T2 (de) * 1997-07-16 2003-10-23 Nagase Chemtex Corp., Osaka Verwendung von Chelat bildenden Zusammensetzungen zum Reinigen
FI106258B (fi) 1998-03-09 2000-12-29 Kemira Chemicals Oy Menetelmiä N-bis-[2-(1,2-dikarboksi-etoksi)-etyyli]amiinijohdannaisen valmistamiseksi sekä menetelmien tuotteet ja niiden käytöt

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338260C1 (de) * 1983-10-21 1985-07-25 Benckiser-Knapsack Gmbh, 6802 Ladenburg Verfahren und Mittel zum Bleichen von Holzschliff
SE8700569D0 (sv) * 1987-02-12 1987-02-12 Josef Kubat An improved peroxide bleaching method
DE3820160C2 (de) * 1987-06-26 1998-10-08 Clariant Finance Bvi Ltd Konzentriertes Präparat und dessen Verwendung als Stabilisator für alkalische peroxydhaltige Flotten
GB9216408D0 (en) * 1992-08-01 1992-09-16 Procter & Gamble Stabilized bleaching compositions
DE19528843A1 (de) * 1995-08-04 1997-02-06 Cht R Beitlich Gmbh Verfahren zur Stabilisierung von alkalischen peroxidenthaltenden Bleichflotten für die Bleiche von Zellstoffen und anderen Faserstoffen

Also Published As

Publication number Publication date
FI960758A0 (fi) 1996-02-19
FI115641B (fi) 2005-06-15
FI960758A (fi) 1997-08-20
WO1997030210A1 (fr) 1997-08-21

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