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BRPI1016066A2 - "process for bleaching paper pulp with one or more peroxide oxidizing agents, and component use" - Google Patents

"process for bleaching paper pulp with one or more peroxide oxidizing agents, and component use"

Info

Publication number
BRPI1016066A2
BRPI1016066A2 BRPI1016066A BRPI1016066A BRPI1016066A2 BR PI1016066 A2 BRPI1016066 A2 BR PI1016066A2 BR PI1016066 A BRPI1016066 A BR PI1016066A BR PI1016066 A BRPI1016066 A BR PI1016066A BR PI1016066 A2 BRPI1016066 A2 BR PI1016066A2
Authority
BR
Brazil
Prior art keywords
paper pulp
oxidizing agents
component use
peroxide oxidizing
bleaching paper
Prior art date
Application number
BRPI1016066A
Other languages
Portuguese (pt)
Inventor
Pierre Dournel
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 BRPI1016066A2 publication Critical patent/BRPI1016066A2/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)
BRPI1016066A 2009-05-29 2010-05-28 "process for bleaching paper pulp with one or more peroxide oxidizing agents, and component use" BRPI1016066A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09161461 2009-05-29
PCT/EP2010/057372 WO2010136550A1 (en) 2009-05-29 2010-05-28 Process for the bleaching of mechanical paper pulp

Publications (1)

Publication Number Publication Date
BRPI1016066A2 true BRPI1016066A2 (en) 2016-06-07

Family

ID=40822931

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1016066A BRPI1016066A2 (en) 2009-05-29 2010-05-28 "process for bleaching paper pulp with one or more peroxide oxidizing agents, and component use"

Country Status (9)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111100023A (en) * 2019-12-20 2020-05-05 上海永通生态工程股份有限公司 Calcium methylglycine diacetate, magnesium methylglycine diacetate and preparation method thereof

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420427C (en) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab PROCEDURE FOR THE PREPARATION OF GRINDING PAPER
SE420430B (en) * 1978-02-17 1981-10-05 Mo Och Domsjoe Ab PROCEDURE FOR WHEATING AND EXTRACTION OF LIGNOCELLULOSALLY MATERIALS WITH PEROXID CONTAINING BLACKS
US5362412A (en) * 1991-04-17 1994-11-08 Hampshire Chemical Corp. Biodegradable bleach stabilizers for detergents
SE9203366L (en) * 1992-11-11 1994-05-12 Mo Och Domsjoe Ab Process for delignification and / or bleaching of cellulose pulp
DE4344029A1 (en) * 1993-12-23 1995-06-29 Grillo Werke Ag Copolymers of unsaturated carboxylic acids, process for their preparation and their use
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 (en) * 1995-09-22 2005-09-21 三菱瓦斯化学株式会社 Process for bleaching chemical pulp for papermaking
FI115642B (en) * 1996-02-19 2005-06-15 Kemira Oyj Bleaching process for high yields
DE19614587A1 (en) * 1996-04-13 1997-10-16 Jaschinski Thomas Dipl Holzw Process and bleaching solution for bleaching cellulosic fibers
FI104572B (en) * 1996-05-30 2000-02-29 Kemira Chemicals Oy Chemical pulp bleaching process
JPH108092A (en) * 1996-06-21 1998-01-13 Mitsubishi Paper Mills Ltd Peroxide bleaching stabilizer and method for bleaching fibrous materials using the same
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 (en) * 2002-05-09 2003-05-28 朱杰 Straw pulp drying-separating machine
FI120201B (en) * 2004-05-12 2009-07-31 Kemira Oyj New composition and process for treating fiber material
MX2007014898A (en) * 2005-05-27 2008-01-28 Unilever Nv Process of bleaching.
EP1811080A1 (en) * 2006-01-24 2007-07-25 Solvay SA Process for the bleaching of mechanical paper pulp
EP2113044A1 (en) * 2007-02-21 2009-11-04 SOLVAY (Société 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
EP2435628B1 (en) 2014-04-09
CL2011003017A1 (en) 2012-05-18
CN105442372A (en) 2016-03-30
US20120061043A1 (en) 2012-03-15
EP2435628A1 (en) 2012-04-04
CN102449234A (en) 2012-05-09
CA2762712A1 (en) 2010-12-02
WO2010136550A1 (en) 2010-12-02
PL2435628T3 (en) 2014-09-30
MY154626A (en) 2015-07-15
CA2762712C (en) 2017-08-29

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B11E Dismissal acc. art. 34 of ipl - requirements for examination incomplete
B11T Dismissal of application maintained [chapter 11.20 patent gazette]