FI69324C - Saett att framstaella blekta mekaniska kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial - Google Patents

Saett att framstaella blekta mekaniska kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial Download PDF

Info

Publication number
FI69324C
FI69324C FI800091A FI800091A FI69324C FI 69324 C FI69324 C FI 69324C FI 800091 A FI800091 A FI 800091A FI 800091 A FI800091 A FI 800091A FI 69324 C FI69324 C FI 69324C
Authority
FI
Finland
Prior art keywords
fibrous material
mechanical
pulp
grinding
chemical
Prior art date
Application number
FI800091A
Other languages
English (en)
Finnish (fi)
Other versions
FI69324B (fi
FI800091A (fi
Inventor
Sven Goergen Aokerlund
Jan-Erik Hoeoek
Original Assignee
Sunds Defibrator
Eka 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 Sunds Defibrator, Eka Ab filed Critical Sunds Defibrator
Publication of FI800091A publication Critical patent/FI800091A/fi
Application granted granted Critical
Publication of FI69324B publication Critical patent/FI69324B/fi
Publication of FI69324C publication Critical patent/FI69324C/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI800091A 1979-01-12 1980-01-11 Saett att framstaella blekta mekaniska kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial FI69324C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7900302A SE436368B (sv) 1979-01-12 1979-01-12 Sett att framstella blekta, mekaniska, kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial
SE7900302 1979-01-12

Publications (3)

Publication Number Publication Date
FI800091A FI800091A (fi) 1980-07-13
FI69324B FI69324B (fi) 1985-09-30
FI69324C true FI69324C (fi) 1986-01-10

Family

ID=20337014

Family Applications (1)

Application Number Title Priority Date Filing Date
FI800091A FI69324C (fi) 1979-01-12 1980-01-11 Saett att framstaella blekta mekaniska kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial

Country Status (8)

Country Link
US (1) US4311553A (no)
JP (1) JPS5598992A (no)
BR (1) BR8000205A (no)
CA (1) CA1143913A (no)
DE (1) DE3001105C2 (no)
FI (1) FI69324C (no)
NO (1) NO155403C (no)
SE (1) SE436368B (no)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4469746A (en) * 1982-06-01 1984-09-04 The Procter & Gamble Company Silica coated absorbent fibers
US5002635A (en) * 1985-09-20 1991-03-26 Scott Paper Company Method for producing pulp using pre-treatment with stabilizers and refining
WO1987001746A1 (en) * 1985-09-20 1987-03-26 Scott Paper Company Method of pretreating pulp with stabilizers and peroxide prior to mechanical refining
US4849053A (en) * 1985-09-20 1989-07-18 Scott Paper Company Method for producing pulp using pre-treatment with stabilizers and defibration
US4842877A (en) * 1988-04-05 1989-06-27 Xylan, Inc. Delignification of non-woody biomass
US5023097A (en) * 1988-04-05 1991-06-11 Xylan, Inc. Delignification of non-woody biomass
FR2672315B1 (fr) * 1991-01-31 1996-06-07 Hoechst France Nouveau procede de raffinage de la pate a papier.
CA2063351C (en) * 1992-03-18 1996-08-13 Stanley Alan Heimburger Process for bleaching hardwood pulp
DE4327774A1 (de) * 1993-08-18 1995-02-23 Fraunhofer Ges Forschung Verfahren zur Herstellung von mitteldichten Holzfaserplatten (MDF)
US5705216A (en) * 1995-08-11 1998-01-06 Tyson; George J. Production of hydrophobic fibers
AU1357097A (en) * 1996-02-27 1997-09-16 Tetra Laval Holdings & Finance Sa Process for sanitizing post-consumer paper fibers and product formed therefrom
US7001484B2 (en) * 2000-05-04 2006-02-21 University Of New Brunswick Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
US6881299B2 (en) * 2001-05-16 2005-04-19 North American Paper Corporation Refiner bleaching with magnesium oxide and hydrogen peroxide
US6743332B2 (en) * 2001-05-16 2004-06-01 Weyerhaeuser Company High temperature peroxide bleaching of mechanical pulps
DE60107122T2 (de) * 2001-07-17 2006-01-19 Liang, Zhi-Wei Veränderung der Wasserfreundlichkeit und-feindlichkeit der natürlichen organischen Stoffe durch den Vorgang des oxydativen thermochemischen Dörrens
US20040200586A1 (en) * 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
CN1250811C (zh) * 2001-07-19 2006-04-12 安德里兹有限公司 四步法碱性过氧化物机械制浆
CN2552996Y (zh) * 2002-05-09 2003-05-28 朱杰 干煸分离草浆机
AU2003279120A1 (en) * 2003-10-02 2005-05-19 Andritz Inc. Multi-stage ap mechanical pulping with refiner flow line treatment
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
FI126694B (fi) * 2005-12-02 2017-04-13 Metsä Board Oyj Kemimekaaninen massa ja menetelmä sen valmistamiseksi
US8262851B2 (en) * 2006-08-10 2012-09-11 Andritz Inc. Processes and systems for the pulping of lignocellulosic materials
US9133227B2 (en) * 2007-10-17 2015-09-15 Nippon Steel & Sumikin Chemical Co., Ltd. Production methods for solubilized lignin, saccharide raw material and monosaccharide raw material, and solubilized lignin
WO2012037481A1 (en) * 2010-09-17 2012-03-22 Titan Wood Limited Treatment of wood pieces

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI61215B (fi) * 1976-11-23 1982-02-26 Defibrator Ab Saett och anordning att kontinuerligt framstaella lignocellulosahaltiga fibermaterial
SE416481B (sv) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts

Also Published As

Publication number Publication date
DE3001105C2 (de) 1982-09-23
NO155403B (no) 1986-12-15
SE7900302L (sv) 1980-07-13
NO155403C (no) 1987-03-25
NO800068L (no) 1980-07-14
SE436368B (sv) 1984-12-03
JPS5598992A (en) 1980-07-28
FI69324B (fi) 1985-09-30
US4311553A (en) 1982-01-19
CA1143913A (en) 1983-04-05
DE3001105A1 (de) 1980-07-24
BR8000205A (pt) 1980-10-21
FI800091A (fi) 1980-07-13

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: EKA AB

Owner name: SUNDS DEFIBRATOR AB