SE452346C - Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg - Google Patents

Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg

Info

Publication number
SE452346C
SE452346C SE8207236A SE8207236A SE452346C SE 452346 C SE452346 C SE 452346C SE 8207236 A SE8207236 A SE 8207236A SE 8207236 A SE8207236 A SE 8207236A SE 452346 C SE452346 C SE 452346C
Authority
SE
Sweden
Prior art keywords
bleaching
pulp
mass
peroxide
initial
Prior art date
Application number
SE8207236A
Other languages
English (en)
Swedish (sv)
Other versions
SE8207236L (sv
SE8207236D0 (sv
SE452346B (sv
Inventor
S Moldenius
Original Assignee
Sunds Defibrator
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 Sunds Defibrator filed Critical Sunds Defibrator
Priority to SE8207236A priority Critical patent/SE452346C/sv
Publication of SE8207236D0 publication Critical patent/SE8207236D0/xx
Priority to JP84500332A priority patent/JPS60500263A/ja
Priority to PCT/SE1983/000462 priority patent/WO1984002366A1/en
Priority to DE8484900152T priority patent/DE3377724D1/de
Priority to CA000443564A priority patent/CA1234655A/en
Priority to EP84900152A priority patent/EP0128190B1/de
Priority to US06/818,064 priority patent/US4734160A/en
Priority to ES528138A priority patent/ES8505001A1/es
Priority to FI843242A priority patent/FI843242A7/fi
Priority to BR8307656A priority patent/BR8307656A/pt
Priority to AT84900152T priority patent/ATE36565T1/de
Priority to IT49543/83A priority patent/IT1197760B/it
Publication of SE8207236L publication Critical patent/SE8207236L/
Priority to NO84843255A priority patent/NO163631C/no
Publication of SE452346B publication Critical patent/SE452346B/sv
Publication of SE452346C publication Critical patent/SE452346C/sv

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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Detergent Compositions (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Graft Or Block Polymers (AREA)
SE8207236A 1982-12-17 1982-12-17 Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg SE452346C (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE8207236A SE452346C (sv) 1982-12-17 1982-12-17 Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg
AT84900152T ATE36565T1 (de) 1982-12-17 1983-12-16 Peroxydbleichverfahren fuer cellulose enthaltendes material.
US06/818,064 US4734160A (en) 1982-12-17 1983-12-16 Method of two-stage peroxide bleaching of mechanical or semi-mechanical pulp
FI843242A FI843242A7 (fi) 1982-12-17 1983-12-16 Selluloosaa sisältävän materiaalin peroksidivalkaisumenetelmä.
DE8484900152T DE3377724D1 (en) 1982-12-17 1983-12-16 Method of peroxide bleaching cellulose-containing material
CA000443564A CA1234655A (en) 1982-12-17 1983-12-16 Method of peroxide bleaching cellulose-containing material
EP84900152A EP0128190B1 (de) 1982-12-17 1983-12-16 Peroxydbleichverfahren für cellulose enthaltendes material
JP84500332A JPS60500263A (ja) 1982-12-17 1983-12-16 セルロ−ス含有物質の過酸化漂白方法
ES528138A ES8505001A1 (es) 1982-12-17 1983-12-16 Procedimiento para el blanqueo con peroxido de material conteniendo lignocelulosa
PCT/SE1983/000462 WO1984002366A1 (en) 1982-12-17 1983-12-16 Method of peroxide bleaching cellulose-containing material
BR8307656A BR8307656A (pt) 1982-12-17 1983-12-16 Processo para alvejamento com peroxido de material que contem celulose
IT49543/83A IT1197760B (it) 1982-12-17 1983-12-19 Metodo per sbiancare mediante perossido un materiale contenente cellulosa
NO84843255A NO163631C (no) 1982-12-17 1984-08-15 Fremgangsmaate for peroksydbleking av celluloseholdig materiale.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8207236A SE452346C (sv) 1982-12-17 1982-12-17 Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg

Publications (4)

Publication Number Publication Date
SE8207236D0 SE8207236D0 (sv) 1982-12-17
SE8207236L SE8207236L (sv) 1984-06-18
SE452346B SE452346B (sv) 1987-11-23
SE452346C true SE452346C (sv) 1990-03-26

Family

ID=20349053

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8207236A SE452346C (sv) 1982-12-17 1982-12-17 Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg

Country Status (13)

Country Link
US (1) US4734160A (de)
EP (1) EP0128190B1 (de)
JP (1) JPS60500263A (de)
AT (1) ATE36565T1 (de)
BR (1) BR8307656A (de)
CA (1) CA1234655A (de)
DE (1) DE3377724D1 (de)
ES (1) ES8505001A1 (de)
FI (1) FI843242A7 (de)
IT (1) IT1197760B (de)
NO (1) NO163631C (de)
SE (1) SE452346C (de)
WO (1) WO1984002366A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE455203B (sv) * 1986-10-20 1988-06-27 Eka Nobel Ab Forfarande for styrning av peroxidblekning av massa
FR2673813B1 (fr) * 1991-03-15 1995-02-24 Atochem Procede de blanchiment en deux etapes de matieres vegetales a usage alimentaire.
CA2063351C (en) * 1992-03-18 1996-08-13 Stanley Alan Heimburger Process for bleaching hardwood pulp
SE9301960L (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
BR9508387A (pt) * 1994-07-11 1997-11-25 Beloit Technologies Inc Vasos de alta eficiéncia pra alvejamento de materiais fibrosos lignocelulósicos celulósicos e poliméricos sintéticos
US7052578B2 (en) * 2000-01-28 2006-05-30 Martin Marietta Magnesia Specialties, Inc. Process employing magnesium hydroxide in peroxide bleaching of mechanical pulp
US6899790B2 (en) * 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl
US6627041B2 (en) * 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and providing papermaking fibers with durable curl
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
FI122238B (fi) * 2006-02-09 2011-10-31 Metso Automation Oy Menetelmä ja laitteisto massasuspension kokonaisperoksidipitoisuuden määrittämiseksi
US8673113B2 (en) 2010-06-09 2014-03-18 The University Of British Columbia Process for reducing specific energy demand during refining of thermomechanical and chemi-thermomechanical pulp
SE548072C2 (en) 2024-06-12 2026-02-17 Holmen Ab Method for producing a high yield pulp and products based on high yield cellulose pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966542A (en) * 1974-09-20 1976-06-29 General Signal Corporation Multi-stage bleaching of pulp using successively lower power levels
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
SE387977B (sv) * 1975-01-27 1976-09-20 Elektrokemiska Ab Sett att framstella blekt, mekanisk massa med hog styrka och ljushet
SE407091B (sv) * 1976-02-05 1979-03-12 Sca Development Ab Sett att peroxidbleka genom raffinering framstelld cellulosamassa
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon

Also Published As

Publication number Publication date
ES528138A0 (es) 1985-04-16
SE8207236L (sv) 1984-06-18
CA1234655A (en) 1988-04-05
WO1984002366A1 (en) 1984-06-21
EP0128190A1 (de) 1984-12-19
JPS60500263A (ja) 1985-02-28
IT1197760B (it) 1988-12-06
DE3377724D1 (en) 1988-09-22
SE8207236D0 (sv) 1982-12-17
US4734160A (en) 1988-03-29
ES8505001A1 (es) 1985-04-16
NO163631B (no) 1990-03-19
SE452346B (sv) 1987-11-23
EP0128190B1 (de) 1988-08-17
IT8349543A0 (it) 1983-12-19
IT8349543A1 (it) 1985-06-19
BR8307656A (pt) 1984-12-11
NO163631C (no) 1990-06-27
FI843242A0 (fi) 1984-08-16
FI843242L (fi) 1984-08-16
FI843242A7 (fi) 1984-08-16
ATE36565T1 (de) 1988-09-15
NO843255L (no) 1984-08-15

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