NO20022118L - FremgangsmÕte til lysgjöring av mekanisk masse - Google Patents

FremgangsmÕte til lysgjöring av mekanisk masse

Info

Publication number
NO20022118L
NO20022118L NO20022118A NO20022118A NO20022118L NO 20022118 L NO20022118 L NO 20022118L NO 20022118 A NO20022118 A NO 20022118A NO 20022118 A NO20022118 A NO 20022118A NO 20022118 L NO20022118 L NO 20022118L
Authority
NO
Norway
Prior art keywords
illuminating
mechanical pulp
pulp
mechanical
illuminating mechanical
Prior art date
Application number
NO20022118A
Other languages
English (en)
Norwegian (no)
Other versions
NO20022118D0 (no
Inventor
Maurice Joseph Albert Hache
Rangamannar Goda
Original Assignee
Rohm & Haas
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 Rohm & Haas filed Critical Rohm & Haas
Publication of NO20022118D0 publication Critical patent/NO20022118D0/no
Publication of NO20022118L publication Critical patent/NO20022118L/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
    • D21C9/1026—Other features in bleaching processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO20022118A 2001-05-09 2002-05-03 FremgangsmÕte til lysgjöring av mekanisk masse NO20022118L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28993701P 2001-05-09 2001-05-09

Publications (2)

Publication Number Publication Date
NO20022118D0 NO20022118D0 (no) 2002-05-03
NO20022118L true NO20022118L (no) 2002-11-11

Family

ID=23113814

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20022118A NO20022118L (no) 2001-05-09 2002-05-03 FremgangsmÕte til lysgjöring av mekanisk masse

Country Status (6)

Country Link
US (1) US20030062138A1 (fr)
EP (1) EP1258559B1 (fr)
JP (1) JP2002339282A (fr)
CA (1) CA2384399A1 (fr)
DE (1) DE60200662T2 (fr)
NO (1) NO20022118L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005095709A1 (fr) * 2004-03-23 2005-10-13 Imerys Pigments, Inc. Blanchiment reducteur efficace de pates minerales
CA2728278C (fr) 2008-06-20 2016-06-28 Zheng Tan Composition et feuille d'impression presentant des proprietes optiques ameliorees
US9932709B2 (en) * 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
EP2446063A4 (fr) 2009-06-23 2012-12-26 American Process Inc Procédé de production d'alcool et d'autres bioproduits à partir de biomasse, utilisé dans la conversion thermique en énergie et procédé d'hydrolyse enzymatique par étapes pour fibre cellulosique

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731160A (en) * 1986-03-19 1988-03-15 Kamyr, Inc. Drainage characteristics of mechanical pulp
US5298118A (en) * 1988-07-12 1994-03-29 Atochem Preparation of bleached chemithermomechanical pulp
FR2634233B1 (fr) * 1988-07-12 1995-04-14 Atochem Procede de fabrication de pates chimicothermomecaniques blanchies
CA1340348C (fr) * 1989-03-23 1999-01-26 Michel Barbe Procede de blanchiment pour la production de pates tres blanches
US5118389A (en) * 1990-07-06 1992-06-02 Ici Canada Inc. Two-stage peroxide bleaching process using different amounts of peroxide on different portions of mechanical pulp
US5223091A (en) * 1991-11-25 1993-06-29 Macmillan Bloedel Limited Method of brightening mechanical pulp using silicate-free peroxide bleaching
DE69408807T2 (de) * 1993-12-14 1998-06-18 Ecc Int Ltd Wasser- und Feststoff-Rückgewinnung in einer Papiermühle
FI962177A (fi) * 1996-05-23 1997-11-24 Valmet Corp Menetelmä paperitehtaan vesikiertojen järjestämiseksi
JPH1076277A (ja) * 1996-09-04 1998-03-24 Lion Corp 水処理用薬剤組成物およびそれを用いた水処理方法
KR100319491B1 (ko) * 1998-12-08 2002-04-22 김충섭 재활용되는제지공정수의칼슘경도조절방법
SE513790C2 (sv) * 1999-03-08 2000-11-06 Mo Och Domsjoe Ab Blekning av mekanisk massa med reducerande blekmedel
JP2001164487A (ja) * 1999-12-08 2001-06-19 Hymo Corp 白水の処理方法
JP4213320B2 (ja) * 1999-12-09 2009-01-21 ハイモ株式会社 製紙白水中の有価物回収方法

Also Published As

Publication number Publication date
NO20022118D0 (no) 2002-05-03
US20030062138A1 (en) 2003-04-03
JP2002339282A (ja) 2002-11-27
EP1258559A1 (fr) 2002-11-20
DE60200662D1 (de) 2004-07-29
EP1258559B1 (fr) 2004-06-23
CA2384399A1 (fr) 2002-11-09
DE60200662T2 (de) 2005-07-07

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application