DE69308953D1 - Verfahren zur Behandlung von Holzschliffen - Google Patents

Verfahren zur Behandlung von Holzschliffen

Info

Publication number
DE69308953D1
DE69308953D1 DE69308953T DE69308953T DE69308953D1 DE 69308953 D1 DE69308953 D1 DE 69308953D1 DE 69308953 T DE69308953 T DE 69308953T DE 69308953 T DE69308953 T DE 69308953T DE 69308953 D1 DE69308953 D1 DE 69308953D1
Authority
DE
Germany
Prior art keywords
pulp
deacetylation
brought
organic
form during
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69308953T
Other languages
English (en)
Other versions
DE69308953T2 (de
Inventor
Jeffrey Thornton
Rainer Ekman
Bjarne Holmbom
Christer Eckerman
Mija Tenkanen
Liisa Viikari
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metsa Board Oyj
Original Assignee
Metsa Serla Oyj
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 Metsa Serla Oyj filed Critical Metsa Serla Oyj
Application granted granted Critical
Publication of DE69308953D1 publication Critical patent/DE69308953D1/de
Publication of DE69308953T2 publication Critical patent/DE69308953T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/8215—Microorganisms
    • Y10S435/911—Microorganisms using fungi
    • Y10S435/913—Aspergillus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Inorganic Insulating Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Crushing And Grinding (AREA)
DE69308953T 1992-07-17 1993-06-30 Verfahren zur Behandlung von Holzschliffen Expired - Fee Related DE69308953T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI923269A FI97733C (fi) 1992-07-17 1992-07-17 Mekaanisten massojen uusi käsittelytapa

Publications (2)

Publication Number Publication Date
DE69308953D1 true DE69308953D1 (de) 1997-04-24
DE69308953T2 DE69308953T2 (de) 1997-07-31

Family

ID=8535627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69308953T Expired - Fee Related DE69308953T2 (de) 1992-07-17 1993-06-30 Verfahren zur Behandlung von Holzschliffen

Country Status (7)

Country Link
US (1) US5415735A (de)
EP (1) EP0581446B1 (de)
AT (1) ATE150498T1 (de)
DE (1) DE69308953T2 (de)
ES (1) ES2099377T3 (de)
FI (1) FI97733C (de)
NO (1) NO301723B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105833B (fi) 1998-07-13 2000-10-13 Valtion Teknillinen Menetelmä prosessivesien LK-aineiden konsentroimiseksi
FI115780B (fi) * 2000-02-09 2005-07-15 Upm Kymmene Corp Aikakauslehtipaperi
FI20022068A (fi) * 2002-11-20 2004-05-21 Metso Paper Inc Menetelmä ja järjestelmä mekaanisen massan valmistuksessa

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL230311A (de) * 1957-08-07
US3406089A (en) * 1964-10-02 1968-10-15 Kimberly Clark Co Process for the digestion of cellulosic material by enzymatic action of trametes suaveolens
FI92414B (fi) * 1989-11-27 1994-07-29 Enso Gutzeit Oy Menetelmä massan valmistamiseksi

Also Published As

Publication number Publication date
EP0581446B1 (de) 1997-03-19
EP0581446A1 (de) 1994-02-02
ATE150498T1 (de) 1997-04-15
ES2099377T3 (es) 1997-05-16
DE69308953T2 (de) 1997-07-31
NO932573L (no) 1994-01-18
NO301723B1 (no) 1997-12-01
NO932573D0 (no) 1993-07-15
FI97733B (fi) 1996-10-31
FI923269A0 (fi) 1992-07-17
FI97733C (fi) 1997-02-10
US5415735A (en) 1995-05-16
FI923269A (fi) 1994-01-18

Similar Documents

Publication Publication Date Title
DE69315884D1 (de) Verfahren zur Behandlung von Fasern zur Herstellung von Tissue-Papier
ATE141971T1 (de) Verfahren zum bleichen von lignocellulose enthaltendem zellstoff
DE69005308D1 (de) Verfahren zur herstellung von lignocellulosepulpe.
DE69206313D1 (de) Verfahren zum Bleichen von Lignocellulose enthaltendem Material.
DE59608011D1 (de) Verfahren zur herstellung von chitosan-glukan-komplexen, daraus herstellbaren massen und deren verwendung
ATE68837T1 (de) Verfahren und vorrichtung fuer die behandlung von suspensionen von faserstoffen.
JPH11181690A (ja) 繊維処理剤組成物
ATE192726T1 (de) Verfahren zur behandlung von abfallschlamm
ATE87987T1 (de) Verfahren zum bleichen von lignocellulose enthaltendem material.
NO885720L (no) Fremgangsmaate for aa rense harpiksholdig avlut ved fremstilling av cellulosemasse.
FI941764A0 (fi) Menetelmä lignoselluloosapitoisen massan valkaisemiseksi
RU2189412C2 (ru) Способ отбеливания бумажной массы
DE69430255D1 (de) Behandlung von anorganischen pigmenten mit carboxymethylcelluloseverbindungen
DE69308953D1 (de) Verfahren zur Behandlung von Holzschliffen
US5741398A (en) Method of removing metal ions dissolved in the bleach plant waste water
FI90670C (sv) Behandling av alkalibehandlad massa för användning i pappersframställning
SE9301326L (sv) Förfarande och anordning för framställning av massa
SE8702040L (sv) Forfarande for avlegsnande av lignin fran effluenter fran blekningsanleggningar
ATE228590T1 (de) Verfahren zur behandlung von cellulosefasern
ATE122745T1 (de) Verfahren zur behandlung der zum verdünnen von zellstoff bestimmten rückgewonnenen abwässern.
TH20964A (th) วิธีการเติมสารเติมแต่งทางเคมีที่ดูดซับได้ลงไปที่เยื่อในระหว่างการแปรรูปให้กับเยื่อและผลิตภัณฑ์ต่างๆ ที่ทำขึ้นโดยวิธีการดังกล่าว
TH20964EX (th) วิธีการเติมสารเติมแต่งทางเคมีที่ดูดซับได้ลงไปที่เยื่อในระหว่างการแปรรูปให้กับเยื่อและผลิตภัณฑ์ต่างๆ ที่ทำขึ้นโดยวิธีการดังกล่าว
JPS52111270A (en) Treating method and system for malodorous substance from kraft pulp fa ctory
TW348173B (en) Process for treating high concentration waste warp size-containing wastewater
SE9301293L (sv) Förfarande för blekning av lignocellulosahaltig massa

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee