FI923269A - Mekaanisten massojen uusi käsittelytapa - Google Patents

Mekaanisten massojen uusi käsittelytapa Download PDF

Info

Publication number
FI923269A
FI923269A FI923269A FI923269A FI923269A FI 923269 A FI923269 A FI 923269A FI 923269 A FI923269 A FI 923269A FI 923269 A FI923269 A FI 923269A FI 923269 A FI923269 A FI 923269A
Authority
FI
Finland
Prior art keywords
pulp
deacetylation
brought
organic
form during
Prior art date
Application number
FI923269A
Other languages
English (en)
Swedish (sv)
Other versions
FI97733B (fi
FI923269A0 (fi
FI97733C (fi
Inventor
Jeffrey Thornton
Rainer Ekman
Bjarne Holmbom
Christer Eckerman
Maija Tenkanen
Liisa Viikari
Original Assignee
Metsae Serla Oy
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 Metsae Serla Oy filed Critical Metsae Serla Oy
Publication of FI923269A0 publication Critical patent/FI923269A0/fi
Priority to FI923269A priority Critical patent/FI97733C/fi
Priority to ES93305124T priority patent/ES2099377T3/es
Priority to EP93305124A priority patent/EP0581446B1/en
Priority to AT93305124T priority patent/ATE150498T1/de
Priority to DE69308953T priority patent/DE69308953T2/de
Priority to NO932573A priority patent/NO301723B1/no
Priority to US08/092,853 priority patent/US5415735A/en
Publication of FI923269A publication Critical patent/FI923269A/fi
Publication of FI97733B publication Critical patent/FI97733B/fi
Application granted granted Critical
Publication of FI97733C publication Critical patent/FI97733C/fi

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)
FI923269A 1992-07-17 1992-07-17 Mekaanisten massojen uusi käsittelytapa FI97733C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI923269A FI97733C (fi) 1992-07-17 1992-07-17 Mekaanisten massojen uusi käsittelytapa
ES93305124T ES2099377T3 (es) 1992-07-17 1993-06-30 Metodo para el tratamiento de pastas mecanicas de madera.
EP93305124A EP0581446B1 (en) 1992-07-17 1993-06-30 Method for the treatment of mechanical pulps
AT93305124T ATE150498T1 (de) 1992-07-17 1993-06-30 Verfahren zur behandlung von holzschliffen
DE69308953T DE69308953T2 (de) 1992-07-17 1993-06-30 Verfahren zur Behandlung von Holzschliffen
NO932573A NO301723B1 (no) 1992-07-17 1993-07-15 Fremgangsmåte for gjenvinning av organiske stoffer ved behandling av mekanisk masse
US08/092,853 US5415735A (en) 1992-07-17 1993-07-19 Recovery of organic substances dissolved in mechanical pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI923269 1992-07-17
FI923269A FI97733C (fi) 1992-07-17 1992-07-17 Mekaanisten massojen uusi käsittelytapa

Publications (4)

Publication Number Publication Date
FI923269A0 FI923269A0 (fi) 1992-07-17
FI923269A true FI923269A (fi) 1994-01-18
FI97733B FI97733B (fi) 1996-10-31
FI97733C FI97733C (fi) 1997-02-10

Family

ID=8535627

Family Applications (1)

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

Country Status (7)

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

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 (fi) * 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 (en) 1997-03-19
EP0581446A1 (en) 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
DE69308953D1 (de) 1997-04-24
FI97733C (fi) 1997-02-10
US5415735A (en) 1995-05-16

Similar Documents

Publication Publication Date Title
ATE130888T1 (de) Verfahren zum bleichen von lignocellulose enthaltendem material.
FI974455A (fi) Esipuhdistetun massan tuotantomenetelmä
NZ502621A (en) Method and apparatus for pulp yield enhancement by adding dilution water and acidifying agent
ATE87987T1 (de) Verfahren zum bleichen von lignocellulose enthaltendem material.
RU2189412C2 (ru) Способ отбеливания бумажной массы
FI941764A0 (fi) Menetelmä lignoselluloosapitoisen massan valkaisemiseksi
KR900015642A (ko) 비목질 리그노 셀룰로오스성 기질의 개선된 알카리성 과산화물 처리방법
FI923269A (fi) Mekaanisten massojen uusi käsittelytapa
CA2057231A1 (en) Method of pretreating lignocellulosic materials prior to alkaline peroxide high yield pulping
US5741398A (en) Method of removing metal ions dissolved in the bleach plant waste water
DK64092D0 (fi)
FI90670C (fi) Paperinvalmistukseen käytettävän alkalikäsitellyn massan käsittely
BR9406763A (pt) Processo de tratamento de polpa de papel quimica
SE8702040L (sv) Forfarande for avlegsnande av lignin fran effluenter fran blekningsanleggningar
SE9203366L (sv) Förfarande vid delignifiering och/eller blekning av cellulosamassa
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
SE441193B (sv) Forfarande for delignifiering av cellulosamassa framstelld genom alkalisk uppslutning av lignocellulosahaltigt material
SE9301293L (sv) Förfarande för blekning av lignocellulosahaltig massa
FI950749A (fi) Menetelmä peroksidilla valkaistavan massan esikäsittelemiseksi

Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired