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DE3466024D1 - Process for bleaching paper pulps with hydrogen peroxide - Google Patents

Process for bleaching paper pulps with hydrogen peroxide

Info

Publication number
DE3466024D1
DE3466024D1 DE8484420215T DE3466024T DE3466024D1 DE 3466024 D1 DE3466024 D1 DE 3466024D1 DE 8484420215 T DE8484420215 T DE 8484420215T DE 3466024 T DE3466024 T DE 3466024T DE 3466024 D1 DE3466024 D1 DE 3466024D1
Authority
DE
Germany
Prior art keywords
hydrogen peroxide
weight
alkaline
concentration
paper pulps
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
Application number
DE8484420215T
Other languages
German (de)
English (en)
Inventor
Bernard Dubreux
Jean-Pierre Schirrmann
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.)
Arkema France SA
Original Assignee
Atochem SA
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 Atochem SA filed Critical Atochem SA
Application granted granted Critical
Publication of DE3466024D1 publication Critical patent/DE3466024D1/de
Expired 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Load-Bearing And Curtain Walls (AREA)
DE8484420215T 1983-12-29 1984-12-21 Process for bleaching paper pulps with hydrogen peroxide Expired DE3466024D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8320990A FR2557605B1 (fr) 1983-12-29 1983-12-29 Procede de blanchiment de pates papetieres par le peroxyde d'hydrogene

Publications (1)

Publication Number Publication Date
DE3466024D1 true DE3466024D1 (en) 1987-10-15

Family

ID=9295687

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8484420215T Expired DE3466024D1 (en) 1983-12-29 1984-12-21 Process for bleaching paper pulps with hydrogen peroxide
DE198484420215T Pending DE148712T1 (de) 1983-12-29 1984-12-21 Verfahren zum bleichen von papierpulpen mittels wasserstoffperoxid.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198484420215T Pending DE148712T1 (de) 1983-12-29 1984-12-21 Verfahren zum bleichen von papierpulpen mittels wasserstoffperoxid.

Country Status (9)

Country Link
EP (1) EP0148712B1 (fr)
JP (1) JPS60181391A (fr)
AT (1) ATE29537T1 (fr)
AU (1) AU567787B2 (fr)
CA (1) CA1262805A (fr)
DE (2) DE3466024D1 (fr)
ES (1) ES8602173A1 (fr)
FI (1) FI76135C (fr)
FR (1) FR2557605B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3544398A1 (de) * 1985-12-16 1987-06-19 Sueddeutsche Kalkstickstoff Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten
JPH0642046B2 (ja) * 1987-01-29 1994-06-01 新王子製紙株式会社 写真印画紙用支持体
SE470065C (sv) * 1991-04-30 1996-01-15 Eka Nobel Ab Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning
ATE184060T1 (de) * 1993-04-20 1999-09-15 Eka Chemicals Ab Verfahren zum bleichen von lignozellulose- enthaltendem zellstoff
IT1290070B1 (it) * 1997-03-13 1998-10-19 3V Sigma Spa Composizioni per la sbianca della carta
GB2327894A (en) * 1997-08-01 1999-02-10 Nippon Paint Co Ltd Method of multi-layer coating formation
DE69822893D1 (de) * 1998-05-15 2004-05-06 Nat Silicates Partnership Etob Peroxide, sauerstoff, und peroxide/sauerstoff bleichen von zellstoffen und altpapierfaserstoffen
US6699358B1 (en) 1998-05-15 2004-03-02 National Silicates Partnership Method for brightening chemical pulp with hydrogen peroxide using a magnesium compound in silicate solution
US7001484B2 (en) 2000-05-04 2006-02-21 University Of New Brunswick Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
US8845860B2 (en) 2010-09-16 2014-09-30 Georgia-Pacific Consumer Products Lp High brightness pulps from lignin rich waste papers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US437813A (en) * 1890-10-07 Envelope-machine
NL97796C (fr) * 1958-05-29
US3472813A (en) * 1967-01-18 1969-10-14 Argus Chem Resistance of acrylonitrile butadiene styrene polymers to discoloration
FR2038056A1 (en) * 1969-03-07 1971-01-08 Air Liquide Stable, clear bleaching bath for paper - pulp
SE7510015L (sv) * 1975-09-09 1977-03-10 Dev Ab Sca Sett att behandla lignocellulosahaltigt material
JPS583074B2 (ja) * 1975-11-17 1983-01-19 三菱瓦斯化学株式会社 パルプノ カサンカブツヒヨウハクホウ
JPS5927436B2 (ja) * 1979-05-29 1984-07-05 王子製紙株式会社 木材パルプの過酸化物漂白方法
FR2476684A1 (fr) * 1980-02-21 1981-08-28 Interox Procede pour inhiber la corrosion d'appareils en titane

Also Published As

Publication number Publication date
FR2557605A1 (fr) 1985-07-05
AU567787B2 (en) 1987-12-03
FI845121A0 (fi) 1984-12-27
ES539151A0 (es) 1985-11-16
CA1262805A (fr) 1989-11-14
JPS60181391A (ja) 1985-09-17
FR2557605B1 (fr) 1987-12-11
EP0148712B1 (fr) 1987-09-09
AU3724384A (en) 1985-07-04
EP0148712A1 (fr) 1985-07-17
ATE29537T1 (de) 1987-09-15
FI76135C (fi) 1992-04-15
DE148712T1 (de) 1986-01-02
JPS6261716B2 (fr) 1987-12-23
ES8602173A1 (es) 1985-11-16
FI76135B (fi) 1988-05-31
FI845121L (fi) 1985-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee