IT1030236B - Procedimento per la delignificazione di materiali cellulosici - Google Patents

Procedimento per la delignificazione di materiali cellulosici

Info

Publication number
IT1030236B
IT1030236B IT67508/75A IT6750875A IT1030236B IT 1030236 B IT1030236 B IT 1030236B IT 67508/75 A IT67508/75 A IT 67508/75A IT 6750875 A IT6750875 A IT 6750875A IT 1030236 B IT1030236 B IT 1030236B
Authority
IT
Italy
Prior art keywords
delignification
procedure
cellulose materials
cellulose
materials
Prior art date
Application number
IT67508/75A
Other languages
English (en)
Original Assignee
Mo Och Domsjoe Ab
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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Application granted granted Critical
Publication of IT1030236B publication Critical patent/IT1030236B/it

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
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Processing Of Solid Wastes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
IT67508/75A 1974-03-14 1975-02-27 Procedimento per la delignificazione di materiali cellulosici IT1030236B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7403451A SE380298B (sv) 1974-03-14 1974-03-14 Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material

Publications (1)

Publication Number Publication Date
IT1030236B true IT1030236B (it) 1979-03-30

Family

ID=20320524

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67508/75A IT1030236B (it) 1974-03-14 1975-02-27 Procedimento per la delignificazione di materiali cellulosici

Country Status (13)

Country Link
JP (1) JPS522002B2 (it)
AT (1) AT345658B (it)
BR (1) BR7501339A (it)
CA (1) CA1039908A (it)
CH (1) CH606601A5 (it)
DE (1) DE2509746C3 (it)
FI (1) FI750635A (it)
FR (1) FR2264125B1 (it)
GB (1) GB1500011A (it)
IT (1) IT1030236B (it)
NO (1) NO140605C (it)
SE (1) SE380298B (it)
ZA (1) ZA751266B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7601935L (sv) * 1975-06-30 1976-12-31 Int Paper Co Sett att bleka lignincellulosamassa
JPS6134314A (ja) * 1984-07-25 1986-02-18 Kawasaki Heavy Ind Ltd 内燃機関
IN167959B (it) * 1985-08-05 1991-01-12 Interox
DE3674859D1 (de) * 1985-08-05 1990-11-15 Interox Sa Verfahren zur delignifizierung von zellulosematerialien.
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi
US20100159515A1 (en) * 2008-12-19 2010-06-24 E.I. Du Pont De Nemours And Company Oxidative pretreatment of biomass to enhance enzymatic saccharification

Also Published As

Publication number Publication date
NO140605C (no) 1979-10-03
ATA178875A (de) 1978-01-15
FI750635A (it) 1975-09-15
AT345658B (de) 1978-09-25
SE380298B (sv) 1975-11-03
JPS522002B2 (it) 1977-01-19
SE7403451L (it) 1975-09-15
CA1039908A (en) 1978-10-10
NO750744L (it) 1975-09-16
BR7501339A (pt) 1975-12-09
DE2509746C3 (de) 1978-04-27
JPS50121501A (it) 1975-09-23
NO140605B (no) 1979-06-25
ZA751266B (en) 1976-01-28
FR2264125A1 (it) 1975-10-10
FR2264125B1 (it) 1977-11-18
DE2509746B2 (de) 1977-08-18
GB1500011A (en) 1978-02-08
CH606601A5 (it) 1978-11-15
DE2509746A1 (de) 1975-09-25

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