DE69725573D1 - Verfahren zum bleichen von zellstoff - Google Patents

Verfahren zum bleichen von zellstoff

Info

Publication number
DE69725573D1
DE69725573D1 DE69725573T DE69725573T DE69725573D1 DE 69725573 D1 DE69725573 D1 DE 69725573D1 DE 69725573 T DE69725573 T DE 69725573T DE 69725573 T DE69725573 T DE 69725573T DE 69725573 D1 DE69725573 D1 DE 69725573D1
Authority
DE
Germany
Prior art keywords
pulp
dicarboxy
peracid
ethoxy
ethyl
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
DE69725573T
Other languages
English (en)
Other versions
DE69725573T2 (de
Inventor
Jukka Jaekaerae
Aarto Paren
Reijo Aksela
Ilkka Renvall
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 Oyj
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
Priority claimed from FI962261A external-priority patent/FI112075B/fi
Application filed by Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Application granted granted Critical
Publication of DE69725573D1 publication Critical patent/DE69725573D1/de
Publication of DE69725573T2 publication Critical patent/DE69725573T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C229/24—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having more than one carboxyl group bound to the carbon skeleton, e.g. aspartic acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/01—Hydrogen peroxide
    • C01B15/037—Stabilisation by additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
    • C07C217/02—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C217/04—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C217/06—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is not further substituted
    • C07C217/08—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is not further substituted the oxygen atom of the etherified hydroxy group being further bound to an acyclic carbon atom
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • 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
    • 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
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69725573T 1996-05-30 1997-05-30 Verfahren zum bleichen von zellstoff Expired - Fee Related DE69725573T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FI962261 1996-05-30
FI962261A FI112075B (fi) 1996-05-30 1996-05-30 N-bis- tai N-tris-[(1,2-dikarboksyyli-etoksi)-etyyli]amiinijohdannaiset, niiden valmistus ja käyttö
FI970303 1997-01-24
FI970303A FI104572B (fi) 1996-05-30 1997-01-24 Menetelmä kemiallisen massan valkaisemiseksi
PCT/FI1997/000333 WO1997045586A1 (en) 1996-05-30 1997-05-30 Process for the bleaching of chemical pulp

Publications (2)

Publication Number Publication Date
DE69725573D1 true DE69725573D1 (de) 2003-11-20
DE69725573T2 DE69725573T2 (de) 2004-08-19

Family

ID=26160164

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69725573T Expired - Fee Related DE69725573T2 (de) 1996-05-30 1997-05-30 Verfahren zum bleichen von zellstoff

Country Status (8)

Country Link
US (1) US6264790B1 (de)
EP (1) EP0907788B1 (de)
AT (1) ATE252178T1 (de)
AU (1) AU2964497A (de)
CA (1) CA2256579C (de)
DE (1) DE69725573T2 (de)
FI (1) FI104572B (de)
WO (1) WO1997045586A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105214B (fi) 1997-11-13 2000-06-30 Kemira Chemicals Oy Tehostettu kemiallisen massan valkaisumenetelmä
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
US7747434B2 (en) * 2000-10-24 2010-06-29 Speech Conversion Technologies, Inc. Integrated speech recognition, closed captioning, and translation system and method
DE10109502A1 (de) * 2001-02-28 2002-09-12 Rhodia Acetow Gmbh Verfahren zum Abtrennen von Hemicellulosen aus hemicellulosehaltiger Biomasse sowie die mit dem Verfahren erhältliche Biomasse und Hemicellulose
US20030162685A1 (en) * 2001-06-05 2003-08-28 Man Victor Fuk-Pong Solid cleaning composition including stabilized active oxygen component
US20030139310A1 (en) * 2001-08-07 2003-07-24 Smith Kim R. Peroxygen compositions and methods for carpet or upholstery cleaning or sanitizing
GB0128513D0 (en) * 2001-11-28 2002-01-23 Warwick Internat Group Ltd Re-cycled fibre bleaching
US20030136942A1 (en) * 2001-11-30 2003-07-24 Smith Kim R. Stabilized active oxygen compositions
US20040200588A1 (en) * 2003-04-10 2004-10-14 Walker Jayne M.A. Method of controlling microorganisms in hydrogen peroxide pulp bleaching processes
EP1811080A1 (de) * 2006-01-24 2007-07-25 Solvay SA Verfahren zum Bleichen von mechanischer Papierpulpe
CA2728278C (en) 2008-06-20 2016-06-28 Zheng Tan Composition and recording sheet with improved optical properties
US8034759B2 (en) * 2008-10-31 2011-10-11 Ecolab Usa Inc. Enhanced stability peracid compositions
BRPI1016066A2 (pt) * 2009-05-29 2016-06-07 Solvay "processo para o alvejamento de polpa de papel com um ou mais agentes oxidantes de peróxido, e, uso de componente"
EP3645506B1 (de) * 2017-06-30 2021-11-24 Kemira Oyj Verfahren zur herstellung einer mischung aus chelatbildnern, mischung aus chelatbildnern und verfahren zur verwendung davon
US11142589B2 (en) 2019-06-14 2021-10-12 Bracell Bahia Specialty Cellulose SA High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems
WO2020249992A1 (en) * 2019-06-14 2020-12-17 Bracell Bahia Specialty Cellulose SA High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS512708A (ja) 1974-06-28 1976-01-10 Lion Fat Oil Co Ltd Senjozaisoseibutsu
US4044034A (en) 1975-07-22 1977-08-23 The Miranol Chemical Company, Inc. Nitrogenous condensation products
JP2896541B2 (ja) 1991-09-11 1999-05-31 コニカ株式会社 ハロゲン化銀写真感光材料用処理液
US5205907A (en) * 1991-11-25 1993-04-27 Macmillan Bloedel Limited Removal of manganese from pulp using a chelating agent and magnesium sulphate
ES2086183T3 (es) 1992-07-06 1996-06-16 Solvay Interox Procedimiento para la deslignificacion de una pasta papelera quimica.
AU670659B2 (en) 1992-11-27 1996-07-25 Eka Nobel Ab Process for delignification of lignocellulose-containing pulp
JPH06282044A (ja) 1993-03-26 1994-10-07 Konica Corp ハロゲン化銀写真感光材料用固形処理剤包装体
JPH07120894A (ja) 1993-10-21 1995-05-12 Fuji Photo Film Co Ltd 写真用処理組成物及び処理方法
JPH07120899A (ja) 1993-10-27 1995-05-12 Fuji Photo Film Co Ltd 写真用処理組成物及び処理方法
DE4340043A1 (de) 1993-11-24 1995-06-01 Henkel Kgaa Verwendung Stickstoff-haltiger Komplexbildner bei der Holzstoffbleiche
JPH07261355A (ja) 1994-03-17 1995-10-13 Fuji Photo Film Co Ltd カラー写真用処理装置および処理方法
CA2173824A1 (en) 1995-04-27 1996-10-28 Brian A. Parker Ethylenediaminetriacetic acid and salts thereof as chelating agents in pulp bleaching

Also Published As

Publication number Publication date
ATE252178T1 (de) 2003-11-15
FI970303A0 (fi) 1997-01-24
FI104572B (fi) 2000-02-29
CA2256579C (en) 2005-07-26
US6264790B1 (en) 2001-07-24
FI970303A (fi) 1997-12-01
AU2964497A (en) 1998-01-05
WO1997045586A1 (en) 1997-12-04
DE69725573T2 (de) 2004-08-19
EP0907788A1 (de) 1999-04-14
EP0907788B1 (de) 2003-10-15
CA2256579A1 (en) 1997-12-04

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FI974221A0 (fi) Effektiverat foerfarande foer blekning av en kemisk massa
SE0200981D0 (sv) Process for bleaching lignocellulose-containing non-wood pulp
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JPH10506965A (ja) 漂白に関連したキレート化剤と酸化剤とによる化学パルプの処理
WO1998014657A1 (en) Oxidation of disturbing metal ions in bleaching processes

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: KEMIRA OYJ, HELSINKI, FI

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee