SE7601935L - Sett att bleka lignincellulosamassa - Google Patents

Sett att bleka lignincellulosamassa

Info

Publication number
SE7601935L
SE7601935L SE7601935A SE7601935A SE7601935L SE 7601935 L SE7601935 L SE 7601935L SE 7601935 A SE7601935 A SE 7601935A SE 7601935 A SE7601935 A SE 7601935A SE 7601935 L SE7601935 L SE 7601935L
Authority
SE
Sweden
Prior art keywords
pulp
delignification
lignincellulosamassa
bleach
way
Prior art date
Application number
SE7601935A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Inventor
R B Phillips
Original Assignee
Int Paper Co
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 Int Paper Co filed Critical Int Paper Co
Publication of SE7601935L publication Critical patent/SE7601935L/

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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE7601935A 1975-06-30 1976-02-19 Sett att bleka lignincellulosamassa SE7601935L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59157275A 1975-06-30 1975-06-30

Publications (1)

Publication Number Publication Date
SE7601935L true SE7601935L (sv) 1976-12-31

Family

ID=24366990

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7601935A SE7601935L (sv) 1975-06-30 1976-02-19 Sett att bleka lignincellulosamassa

Country Status (9)

Country Link
JP (1) JPS525302A (Direct)
AU (1) AU504749B2 (Direct)
BR (1) BR7602753A (Direct)
CA (1) CA1043514A (Direct)
FI (1) FI761496A7 (Direct)
FR (1) FR2316376A1 (Direct)
NO (1) NO761777L (Direct)
SE (1) SE7601935L (Direct)
ZA (1) ZA762002B (Direct)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998020199A1 (en) * 1996-11-06 1998-05-14 Macmillan Bloedel Limited Vanadyl catalyzed oxygen treatment of lignocellulosic materials

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE380298B (sv) * 1974-03-14 1975-11-03 Mo Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material
JPS5039161B2 (Direct) * 1974-12-23 1975-12-15

Also Published As

Publication number Publication date
BR7602753A (pt) 1977-05-10
ZA762002B (en) 1977-04-27
AU504749B2 (en) 1979-10-25
JPS525302A (en) 1977-01-17
CA1043514A (en) 1978-12-05
AU1261776A (en) 1977-10-06
FR2316376A1 (fr) 1977-01-28
FI761496A7 (Direct) 1976-12-31
NO761777L (Direct) 1977-01-03

Similar Documents

Publication Publication Date Title
ES451244A1 (es) Procedimiento para la deslignificacion de material celulosi-co.
ATE12254T1 (de) Einen photoaktivator enthaltende zusammensetzung mit verbesserter bleichwirkung.
SE8004184L (Direct)
ES8107348A1 (es) Un procedimiento para la regeneracion de papel usado sin de-sentintado
FI924342A7 (fi) Menetelmä, jossa käytetään sellulaasia sulpun vedenpoisto-ominaisuuksien parantamiseen
SE7601935L (sv) Sett att bleka lignincellulosamassa
AU3102077A (en) Treating lignocellulosic or cellulosic pulp
SE389811B (sv) Sett att framstella stabila, vattenhaltiga dispersioner av fasta dialkyl-peroxidikarbonat med bibehallet aktivt peroxidinnehall, varvid en uppslamning av vatten, dispergeringsmedel och peroxidkarbonat dispergeras...
ES398622A1 (es) Perfeccionamientos en planchas de vapor y secas.
ES420507A1 (es) Procedimiento para estabilizar un material de fibra con hi-dratos de carbono en un tratamiento oxidante alcalino.
NZ183555A (en) Nitrogen dioxide-alkali/oxygen treatment for lignocellulose delignification
GB1295894A (Direct)
JPS53109929A (en) Medicin for malignant tumor
GB1524927A (en) Warp knitting machine having jacquard guides
DE3676490D1 (de) Vorbehandlungsverfahren von pulpe mit stabilisierungsmitteln und peroxid vor der mechanischen raffinierung.
GB1404315A (en) Production of bleached high yield pulp
ES487119A1 (es) Procedimiento de obtencion de una materia activa positiva reversible para generador electroquimico secundario con electrolito no acuoso
JPS5245087A (en) Shoe chain of shoe chain type capstan
FR2426767A1 (fr) Blanchiment de pate a papier
SE8505899L (sv) Regenererbara reducerande blekmedel
AU504413B2 (en) Oxygen pretreatment of woodchips prior to chemical pulping
ES469681A3 (es) Proceso para la oxidacion de colorantes sulfurosos.
FR2457338A1 (fr) Procede pour la protection des matieres cellulosiques au cours de leurs traitements par des solutions alcalines
JPS5324415A (en) Production of water-absorbing cellulosic fiber
FR2301632A1 (fr) Blanchiment par l'oxygene de la pate a papier en presence d'un protecteur a haute teneur en silic

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 7601935-5