FI76135C - Foerfarande foer blekning av pappersmassor med vaeteperoxid. - Google Patents

Foerfarande foer blekning av pappersmassor med vaeteperoxid. Download PDF

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Publication number
FI76135C
FI76135C FI845121A FI845121A FI76135C FI 76135 C FI76135 C FI 76135C FI 845121 A FI845121 A FI 845121A FI 845121 A FI845121 A FI 845121A FI 76135 C FI76135 C FI 76135C
Authority
FI
Finland
Prior art keywords
hydrogen peroxide
weight
concentration
process according
alkaline
Prior art date
Application number
FI845121A
Other languages
English (en)
Finnish (fi)
Other versions
FI845121L (fi
FI845121A0 (fi
FI76135B (fi
Inventor
Jean-Pierre Schirmann
Bernard Dubreux
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
Publication of FI845121A0 publication Critical patent/FI845121A0/fi
Publication of FI845121L publication Critical patent/FI845121L/fi
Application granted granted Critical
Publication of FI76135B publication Critical patent/FI76135B/fi
Publication of FI76135C publication Critical patent/FI76135C/fi

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)
FI845121A 1983-12-29 1984-12-27 Foerfarande foer blekning av pappersmassor med vaeteperoxid. FI76135C (fi)

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
FR8320990 1983-12-29

Publications (4)

Publication Number Publication Date
FI845121A0 FI845121A0 (fi) 1984-12-27
FI845121L FI845121L (fi) 1985-06-30
FI76135B FI76135B (fi) 1988-05-31
FI76135C true FI76135C (fi) 1992-04-15

Family

ID=9295687

Family Applications (1)

Application Number Title Priority Date Filing Date
FI845121A FI76135C (fi) 1983-12-29 1984-12-27 Foerfarande foer blekning av pappersmassor med vaeteperoxid.

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
EP1088130B1 (fr) * 1998-05-15 2004-03-31 National Silicates Partnership Eclaircissement de pates chimiques et de pates de vieux papiers melanges, au moyen de peroxyde, d'oxygene ou de peroxyde/oxygene
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
DE148712T1 (de) 1986-01-02
CA1262805A (fr) 1989-11-14
FR2557605B1 (fr) 1987-12-11
JPS6261716B2 (fr) 1987-12-23
EP0148712B1 (fr) 1987-09-09
FI845121L (fi) 1985-06-30
ES539151A0 (es) 1985-11-16
FI845121A0 (fi) 1984-12-27
ES8602173A1 (es) 1985-11-16
JPS60181391A (ja) 1985-09-17
FR2557605A1 (fr) 1985-07-05
EP0148712A1 (fr) 1985-07-17
AU3724384A (en) 1985-07-04
DE3466024D1 (en) 1987-10-15
ATE29537T1 (de) 1987-09-15
AU567787B2 (en) 1987-12-03
FI76135B (fi) 1988-05-31

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: ATOCHEM