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ATE29537T1 - Verfahren zum bleichen von papierpulpen mittels wasserstoffperoxid. - Google Patents

Verfahren zum bleichen von papierpulpen mittels wasserstoffperoxid.

Info

Publication number
ATE29537T1
ATE29537T1 AT84420215T AT84420215T ATE29537T1 AT E29537 T1 ATE29537 T1 AT E29537T1 AT 84420215 T AT84420215 T AT 84420215T AT 84420215 T AT84420215 T AT 84420215T AT E29537 T1 ATE29537 T1 AT E29537T1
Authority
AT
Austria
Prior art keywords
hydrogen peroxide
weight
alkaline
concentration
paper pulp
Prior art date
Application number
AT84420215T
Other languages
English (en)
Inventor
Bernard Dubreux
Jean-Pierre Schirrmann
Original Assignee
Atochem
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 filed Critical Atochem
Application granted granted Critical
Publication of ATE29537T1 publication Critical patent/ATE29537T1/de

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)
AT84420215T 1983-12-29 1984-12-21 Verfahren zum bleichen von papierpulpen mittels wasserstoffperoxid. ATE29537T1 (de)

Applications Claiming Priority (2)

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
EP84420215A EP0148712B1 (de) 1983-12-29 1984-12-21 Verfahren zum Bleichen von Papierpulpen mittels Wasserstoffperoxid

Publications (1)

Publication Number Publication Date
ATE29537T1 true ATE29537T1 (de) 1987-09-15

Family

ID=9295687

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84420215T ATE29537T1 (de) 1983-12-29 1984-12-21 Verfahren zum bleichen von papierpulpen mittels wasserstoffperoxid.

Country Status (9)

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

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 (de) * 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
DE3466024D1 (en) 1987-10-15
EP0148712B1 (de) 1987-09-09
AU3724384A (en) 1985-07-04
EP0148712A1 (de) 1985-07-17
FI76135C (fi) 1992-04-15
DE148712T1 (de) 1986-01-02
JPS6261716B2 (de) 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
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee