CA2525210C - Method for bleaching fibrous material - Google Patents

Method for bleaching fibrous material Download PDF

Info

Publication number
CA2525210C
CA2525210C CA2525210A CA2525210A CA2525210C CA 2525210 C CA2525210 C CA 2525210C CA 2525210 A CA2525210 A CA 2525210A CA 2525210 A CA2525210 A CA 2525210A CA 2525210 C CA2525210 C CA 2525210C
Authority
CA
Canada
Prior art keywords
bleaching
fibre material
suspension
lime
lye
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.)
Expired - Fee Related
Application number
CA2525210A
Other languages
English (en)
French (fr)
Other versions
CA2525210A1 (en
Inventor
Frank-Martin Neumann
Hans-Peter Bergmann
Hans-Peter Schmidt
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.)
Lhoist Recherche et Developpement SA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2525210A1 publication Critical patent/CA2525210A1/en
Application granted granted Critical
Publication of CA2525210C publication Critical patent/CA2525210C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
CA2525210A 2003-05-08 2004-05-07 Method for bleaching fibrous material Expired - Fee Related CA2525210C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10320618.3 2003-05-08
DE10320618A DE10320618A1 (de) 2003-05-08 2003-05-08 Verfahren zum Bleichen von Faserstoffen
PCT/EP2004/004914 WO2004099492A2 (de) 2003-05-08 2004-05-07 Verfahren zum bleichen von faserstoffen

Publications (2)

Publication Number Publication Date
CA2525210A1 CA2525210A1 (en) 2004-11-18
CA2525210C true CA2525210C (en) 2011-03-15

Family

ID=33305182

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2525210A Expired - Fee Related CA2525210C (en) 2003-05-08 2004-05-07 Method for bleaching fibrous material

Country Status (6)

Country Link
US (1) US20060130984A1 (de)
EP (1) EP1631716B1 (de)
AT (1) ATE427377T1 (de)
CA (1) CA2525210C (de)
DE (2) DE10320618A1 (de)
WO (1) WO2004099492A2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7643818B2 (en) * 2004-11-22 2010-01-05 Seven Networks, Inc. E-mail messaging to/from a mobile terminal
CN100338295C (zh) * 2005-11-03 2007-09-19 苏州大学 大豆蛋白纤维漂白组合物及其漂白方法
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
US20070131364A1 (en) * 2005-12-14 2007-06-14 University Of Maine Process for treating a cellulose-lignin pulp
DE102007007654A1 (de) * 2007-02-13 2008-08-14 Voith Patent Gmbh FAS Bleiche
EP2180095B1 (de) * 2008-10-23 2013-12-04 Bene_fit Systems GmbH & Co. KG Herstellungsverfahren für gebleichte organische Fasermaterialien, Verwendung eines Bleichmittels für gebleichte organische Fasermaterialien und gebleichte Fasermaterialien
DE102009046797A1 (de) * 2009-11-18 2011-05-19 Voith Patent Gmbh Bleiche
CN103237902A (zh) 2010-08-13 2013-08-07 Rdm企业股份有限公司 减少糖的颜色的方法和组合物
CN106835683A (zh) * 2016-12-28 2017-06-13 淄博大染坊丝绸集团有限公司 一种提高真丝斜纹绸渗透性的漂练工艺
CN110528302A (zh) * 2019-07-15 2019-12-03 华南理工大学 一种臭氧处理热磨机械浆纤维表面的方法
CN114195161B (zh) * 2021-12-16 2024-01-23 中国有色桂林矿产地质研究院有限公司 一种提高滑石浆渣白度的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2101706A (en) * 1936-02-04 1937-12-07 Tomahawk Kraft Paper Company Bleaching of pulp
US2214715A (en) * 1938-06-30 1940-09-10 Separation Process Company Cement manufacture
US2413583A (en) * 1945-08-11 1946-12-31 St Regis Paper Co Bleaching of groundwood
NL76171C (de) * 1950-05-23 1900-01-01
US2687942A (en) * 1951-03-19 1954-08-31 Du Pont Bleaching of groundwood-sulfite pulp mixtures
US3100732A (en) * 1959-10-05 1963-08-13 Du Pont Process of bleaching wood pulp by combined treatment with peroxide and an alkali metal borohydride
FR1393492A (fr) * 1964-02-11 1965-03-26 Du Pin Cellulose Perfectionnement au blanchiment des pâtes à papier
ZA761255B (en) * 1975-03-11 1977-03-30 Erco Envirotech Ltd Bleachplant operation
US5639347A (en) * 1993-03-24 1997-06-17 Ahlstrom Machinery Inc. Method of controlling of metals in a bleach plant, using oxidation
US5401362A (en) * 1993-03-24 1995-03-28 Kamyr, Inc. Control of metals and dissolved organics in the bleach plant
EP0622491B2 (de) * 1993-04-20 2002-07-17 Eka Chemicals AB Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff
USH1690H (en) * 1995-07-20 1997-11-04 Nye; Jeffrey Process for bleaching kraft pulp
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
ES2219861T3 (es) * 1998-09-22 2004-12-01 Alfred Pohlen Procedimiento para la eliminacion de impurezas pegajosas de pasta de papel obtenida a partir de papel viejo preparado, mediante minerales convertidos en hidrofobos.

Also Published As

Publication number Publication date
CA2525210A1 (en) 2004-11-18
EP1631716B1 (de) 2009-04-01
DE502004009271D1 (de) 2009-05-14
DE10320618A1 (de) 2004-11-18
US20060130984A1 (en) 2006-06-22
WO2004099492A2 (de) 2004-11-18
EP1631716A2 (de) 2006-03-08
ATE427377T1 (de) 2009-04-15
WO2004099492A3 (de) 2004-12-09

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20180507