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
SE452346B (sv
SE8207236D0 (sv
SE8207236L (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 PCT/SE1983/000462 priority patent/WO1984002366A1/en
Priority to EP84900152A priority patent/EP0128190B1/en
Priority to JP84500332A priority patent/JPS60500263A/ja
Priority to DE8484900152T priority patent/DE3377724D1/de
Priority to AT84900152T priority patent/ATE36565T1/de
Priority to ES528138A priority patent/ES528138A0/es
Priority to CA000443564A priority patent/CA1234655A/en
Priority to BR8307656A priority patent/BR8307656A/pt
Priority to US06/818,064 priority patent/US4734160A/en
Priority to IT49543/83A priority patent/IT1197760B/it
Publication of SE8207236L publication Critical patent/SE8207236L/
Priority to NO84843255A priority patent/NO163631C/no
Priority to FI843242A priority patent/FI843242A/fi
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
US06/818,064 US4734160A (en) 1982-12-17 1983-12-16 Method of two-stage peroxide bleaching of mechanical or semi-mechanical pulp
ES528138A ES528138A0 (es) 1982-12-17 1983-12-16 Procedimiento para el blanqueo con peroxido de material conteniendo lignocelulosa
BR8307656A BR8307656A (pt) 1982-12-17 1983-12-16 Processo para alvejamento com peroxido de material que contem celulose
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
DE8484900152T DE3377724D1 (en) 1982-12-17 1983-12-16 Method of peroxide bleaching cellulose-containing material
AT84900152T ATE36565T1 (de) 1982-12-17 1983-12-16 Peroxydbleichverfahren fuer cellulose enthaltendes material.
PCT/SE1983/000462 WO1984002366A1 (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 (en) 1982-12-17 1983-12-16 Method of peroxide bleaching cellulose-containing material
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.
FI843242A FI843242A (fi) 1982-12-17 1984-08-16 Foerfarande foer peroxidblekning av cellulosahaltigt material.

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) 1989-12-21

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 (pt)
EP (1) EP0128190B1 (pt)
JP (1) JPS60500263A (pt)
AT (1) ATE36565T1 (pt)
BR (1) BR8307656A (pt)
CA (1) CA1234655A (pt)
DE (1) DE3377724D1 (pt)
ES (1) ES528138A0 (pt)
FI (1) FI843242A (pt)
IT (1) IT1197760B (pt)
NO (1) NO163631C (pt)
SE (1) SE452346C (pt)
WO (1) WO1984002366A1 (pt)

Families Citing this family (10)

* 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
SE500616C2 (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
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

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 1987-05-07 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
DE3377724D1 (en) 1988-09-22
BR8307656A (pt) 1984-12-11
CA1234655A (en) 1988-04-05
JPS60500263A (ja) 1985-02-28
SE452346B (sv) 1987-11-23
WO1984002366A1 (en) 1984-06-21
ES8505001A1 (es) 1985-04-16
EP0128190B1 (en) 1988-08-17
IT1197760B (it) 1988-12-06
NO163631B (no) 1990-03-19
SE8207236D0 (sv) 1982-12-17
ES528138A0 (es) 1985-04-16
NO843255L (no) 1984-08-15
ATE36565T1 (de) 1988-09-15
SE8207236L (sv) 1984-06-18
US4734160A (en) 1988-03-29
FI843242A0 (fi) 1984-08-16
FI843242A (fi) 1984-08-16
NO163631C (no) 1990-06-27
EP0128190A1 (en) 1984-12-19
IT8349543A0 (it) 1983-12-19

Similar Documents

Publication Publication Date Title
US5310458A (en) Process for bleaching lignocellulose-containing pulps
SE452346C (sv) Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg
SE420430B (sv) Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
SE470065B (sv) Behandling av kemisk massa med en syra och därefter en magnesiumförening vid klorfri blekning
US8568558B2 (en) Process for delignifying and bleaching chemical pulp
SE468355B (sv) Blekning av kemisk massa genom behandling med komplexbildare och ozon
SE450257B (sv) Forfarande vid ozonblekning av pappersmassa varvid massan utsettes for en sur retentionsbehandling
US5234544A (en) Cleaning and bleaching of secondary fiber
SE502172C2 (sv) Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat
US3020197A (en) Method for production of high brightness high strength wood pulps
EP0464110B1 (en) Bleaching process for the production of high bright pulps
JPH0754290A (ja) 繊維ウェブの強度を増大させつつ、有色廃紙からの繊維を増白させる方法
EP0500813A1 (en) METHOD FOR BLEACHING LIGNOCELLULOSE-CONTAINING MATERIALS.
US2199376A (en) Bleaching of ground wood pulp
AU651462B2 (en) Bleaching and delignification of pulp
CA2008678A1 (en) Process for bleaching paper stock
US1787395A (en) Method for bleaching cellulose of any kind
SE512137C2 (sv) Förfarande för blekning av lignocellulosahaltig massa
SE507164C2 (sv) Blekning med klordioxid i ett trefassteg
US1827857A (en) Process for the purification of chemical wood pulp
JPH076148B2 (ja) リグノセルロース物質の漂白方法
SE466062B (sv) Blekning av kemisk massa
SE467666B (sv) Foerfarande foer blekning av mekanisk massa med vaeteperoxid
JPH01168985A (ja) リグノセルロース物質の漂白方法
KR100247570B1 (ko) 고백색도 재생펄프의 제조방법

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8207236-4

Effective date: 19920704

Format of ref document f/p: F