MY154626A - Process for the bleaching of mechanical paper pulp - Google Patents

Process for the bleaching of mechanical paper pulp

Info

Publication number
MY154626A
MY154626A MYPI2011005702A MYPI2011005702A MY154626A MY 154626 A MY154626 A MY 154626A MY PI2011005702 A MYPI2011005702 A MY PI2011005702A MY PI2011005702 A MYPI2011005702 A MY PI2011005702A MY 154626 A MY154626 A MY 154626A
Authority
MY
Malaysia
Prior art keywords
bleaching
paper pulp
carboxylic acid
mechanical paper
salt
Prior art date
Application number
MYPI2011005702A
Other languages
English (en)
Inventor
Dournel Pierre
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Publication of MY154626A publication Critical patent/MY154626A/en

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
    • 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
    • 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)
MYPI2011005702A 2009-05-29 2010-05-28 Process for the bleaching of mechanical paper pulp MY154626A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09161461 2009-05-29

Publications (1)

Publication Number Publication Date
MY154626A true MY154626A (en) 2015-07-15

Family

ID=40822931

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2011005702A MY154626A (en) 2009-05-29 2010-05-28 Process for the bleaching of mechanical paper pulp

Country Status (9)

Country Link
US (1) US20120061043A1 (pl)
EP (1) EP2435628B1 (pl)
CN (2) CN102449234A (pl)
BR (1) BRPI1016066A2 (pl)
CA (1) CA2762712C (pl)
CL (1) CL2011003017A1 (pl)
MY (1) MY154626A (pl)
PL (1) PL2435628T3 (pl)
WO (1) WO2010136550A1 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111100023A (zh) * 2019-12-20 2020-05-05 上海永通生态工程股份有限公司 甲基甘氨酸二乙酸钙、甲基甘氨酸二乙酸镁及其制备方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420427C (sv) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
SE420430B (sv) * 1978-02-17 1981-10-05 Mo Och Domsjoe Ab Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
US5362412A (en) * 1991-04-17 1994-11-08 Hampshire Chemical Corp. Biodegradable bleach stabilizers for detergents
SE9203366L (sv) * 1992-11-11 1994-05-12 Mo Och Domsjoe Ab Förfarande vid delignifiering och/eller blekning av cellulosamassa
DE4344029A1 (de) * 1993-12-23 1995-06-29 Grillo Werke Ag Copolymerisate ungesättigter Carbonsäuren, Verfahren zur Herstellung und ihre Verwendung
US6248209B1 (en) * 1995-08-10 2001-06-19 Sanyo Chemical Industries, Ltd. Process for bleaching cellulose pulp with a bleaching assistant having the formula R1-O-{[(C2H4O)m/(AO)n}]-H
JP3698178B2 (ja) * 1995-09-22 2005-09-21 三菱瓦斯化学株式会社 製紙用化学パルプの漂白方法
FI115642B (fi) * 1996-02-19 2005-06-15 Kemira Oyj Korkeasaantomassojen valkaisumenetelmä
DE19614587A1 (de) * 1996-04-13 1997-10-16 Jaschinski Thomas Dipl Holzw Verfahren und Bleichlösung zum Bleichen von cellulosischen Faserstoffen
FI104572B (fi) * 1996-05-30 2000-02-29 Kemira Chemicals Oy Menetelmä kemiallisen massan valkaisemiseksi
JPH108092A (ja) * 1996-06-21 1998-01-13 Mitsubishi Paper Mills Ltd 過酸化物漂白用安定化剤及びそれを用いた繊維系物質の漂白方法
US7052578B2 (en) * 2000-01-28 2006-05-30 Martin Marietta Magnesia Specialties, Inc. Process employing magnesium hydroxide in peroxide bleaching of mechanical pulp
US7001484B2 (en) * 2000-05-04 2006-02-21 University Of New Brunswick Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
CN2552996Y (zh) * 2002-05-09 2003-05-28 朱杰 干煸分离草浆机
FI120201B (fi) * 2004-05-12 2009-07-31 Kemira Oyj Uusi koostumus ja menetelmä kuitumateriaalin käsittelemiseksi
ES2392347T3 (es) * 2005-05-27 2012-12-07 Catexel Limited Proceso de blanqueo
EP1811080A1 (en) * 2006-01-24 2007-07-25 Solvay SA Process for the bleaching of mechanical paper pulp
CA2678466A1 (en) * 2007-02-21 2008-08-28 Solvay (Societe Anonyme) Process for the bleaching of paper pulp
GB0714575D0 (en) * 2007-07-26 2007-09-05 Innospec Ltd Composition
GB0721587D0 (en) * 2007-11-02 2007-12-12 Innospec Ltd Process for bleaching pulp
EP2128331A1 (en) * 2008-05-26 2009-12-02 SOLVAY (Société Anonyme) Process for the bleaching of paper pulp

Also Published As

Publication number Publication date
PL2435628T3 (pl) 2014-09-30
WO2010136550A1 (en) 2010-12-02
US20120061043A1 (en) 2012-03-15
EP2435628B1 (en) 2014-04-09
CN105442372A (zh) 2016-03-30
BRPI1016066A2 (pt) 2016-06-07
CA2762712C (en) 2017-08-29
CA2762712A1 (en) 2010-12-02
EP2435628A1 (en) 2012-04-04
CN102449234A (zh) 2012-05-09
CL2011003017A1 (es) 2012-05-18

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