SE461103B - Framstaellning av mekanisk och kemimekanisk massa i tvaa steg - Google Patents

Framstaellning av mekanisk och kemimekanisk massa i tvaa steg

Info

Publication number
SE461103B
SE461103B SE8801731A SE8801731A SE461103B SE 461103 B SE461103 B SE 461103B SE 8801731 A SE8801731 A SE 8801731A SE 8801731 A SE8801731 A SE 8801731A SE 461103 B SE461103 B SE 461103B
Authority
SE
Sweden
Prior art keywords
pulp
energy consumption
energy input
wood
kwh
Prior art date
Application number
SE8801731A
Other languages
English (en)
Swedish (sv)
Other versions
SE8801731L (sv
SE8801731D0 (sv
Inventor
P O Engstrand
Original Assignee
Svenska Traeforskningsinst
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 Svenska Traeforskningsinst filed Critical Svenska Traeforskningsinst
Priority to SE8801731A priority Critical patent/SE461103B/sv
Publication of SE8801731D0 publication Critical patent/SE8801731D0/xx
Priority to DE89905472T priority patent/DE68909231T2/de
Priority to JP50517689A priority patent/JPH03504256A/ja
Priority to AT89905472T priority patent/ATE94596T1/de
Priority to PCT/SE1989/000172 priority patent/WO1989010998A1/en
Priority to EP19890905472 priority patent/EP0413736B1/de
Priority to CA000598482A priority patent/CA1320067C/en
Publication of SE8801731L publication Critical patent/SE8801731L/
Publication of SE461103B publication Critical patent/SE461103B/sv
Priority to NO904792A priority patent/NO172401C/no
Priority to FI905482A priority patent/FI91787C/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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
SE8801731A 1988-05-06 1988-05-06 Framstaellning av mekanisk och kemimekanisk massa i tvaa steg SE461103B (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE8801731A SE461103B (sv) 1988-05-06 1988-05-06 Framstaellning av mekanisk och kemimekanisk massa i tvaa steg
EP19890905472 EP0413736B1 (de) 1988-05-06 1989-04-05 Verfahren zur herstellung der mechanischen oder chemiemechanischen papierpulpe
PCT/SE1989/000172 WO1989010998A1 (en) 1988-05-06 1989-04-05 Method of making mechanical and chemi-mechanical papermaking pulp
JP50517689A JPH03504256A (ja) 1988-05-06 1989-04-05 機械的及び化学機械的製紙用パルプの製造方法
AT89905472T ATE94596T1 (de) 1988-05-06 1989-04-05 Verfahren zur herstellung der mechanischen oder chemiemechanischen papierpulpe.
DE89905472T DE68909231T2 (de) 1988-05-06 1989-04-05 Verfahren zur herstellung der mechanischen oder chemiemechanischen papierpulpe.
CA000598482A CA1320067C (en) 1988-05-06 1989-05-02 Method of making mechanical and chemi-mechanical papermaking pulp
NO904792A NO172401C (no) 1988-05-06 1990-11-05 Fremgangsmaate for fremstilling av mekanisk og kjemimekanisk papirmasse
FI905482A FI91787C (fi) 1988-05-06 1990-11-05 Menetelmä mekaanisen ja kemimekaanisen paperimassan valmistamiseksi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8801731A SE461103B (sv) 1988-05-06 1988-05-06 Framstaellning av mekanisk och kemimekanisk massa i tvaa steg

Publications (3)

Publication Number Publication Date
SE8801731D0 SE8801731D0 (sv) 1988-05-06
SE8801731L SE8801731L (sv) 1989-11-07
SE461103B true SE461103B (sv) 1990-01-08

Family

ID=20372264

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8801731A SE461103B (sv) 1988-05-06 1988-05-06 Framstaellning av mekanisk och kemimekanisk massa i tvaa steg

Country Status (7)

Country Link
EP (1) EP0413736B1 (de)
JP (1) JPH03504256A (de)
CA (1) CA1320067C (de)
DE (1) DE68909231T2 (de)
FI (1) FI91787C (de)
SE (1) SE461103B (de)
WO (1) WO1989010998A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9002039D0 (sv) * 1990-06-07 1990-06-07 Svenska Traeforskningsinst Saett att framstaella massa
US5853534A (en) * 1992-12-30 1998-12-29 Sunds Defibrator Industries Ab Method of producing pulp with high yield using a two-stage refining system operating at different temperatures
US6899791B2 (en) 1997-08-08 2005-05-31 Andritz Inc. Method of pretreating lignocellulose fiber-containing material in a pulp refining process
US8734611B2 (en) * 2008-03-12 2014-05-27 Andritz Inc. Medium consistency refining method of pulp and system
SE540961C2 (en) * 2016-05-23 2019-01-29 Holmen Ab Method of providing a paper fibre composition by combining chemical and mechanical pulping

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE409476B (sv) * 1978-02-17 1979-08-20 Sca Development Ab Sett for fraffinering av lignocellulosahaltigt material
JPS564791A (en) * 1979-06-18 1981-01-19 Kogyo Gijutsuin Bleaching of mechanical pulp
CA1246374A (en) * 1983-10-24 1988-12-13 Steve Rowland Two stage high consistency refiner
SE456826B (sv) * 1986-04-18 1988-11-07 Svenska Traeforskningsinst Saett att reducera energikonsumtionen vid raffinering av cellulosahaltigt material

Also Published As

Publication number Publication date
JPH03504256A (ja) 1991-09-19
WO1989010998A1 (en) 1989-11-16
SE8801731L (sv) 1989-11-07
DE68909231D1 (de) 1993-10-21
FI905482A0 (fi) 1990-11-05
EP0413736A1 (de) 1991-02-27
SE8801731D0 (sv) 1988-05-06
FI91787B (fi) 1994-04-29
CA1320067C (en) 1993-07-13
EP0413736B1 (de) 1993-09-15
FI91787C (fi) 1994-08-10
DE68909231T2 (de) 1994-04-28

Similar Documents

Publication Publication Date Title
US4756799A (en) Method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a one-stage impregnation process
CA2806600C (en) Method for producing a high-freeness pulp
US4160693A (en) Process for the bleaching of cellulose pulp
US4900399A (en) Method of manufacturing bleached chemi-mechanical and semichemical fibre pulp by a two-stage impregnation process
CN108425259A (zh) 废纸回收再造的方法
EP1668180A1 (de) Chemische aktivierung und veredelung von südkieferkraftfasern
Johansson et al. Improvement of energy efficiency in TMP refining by selective wood disintegration and targeted application of chemicals
WO2008081078A1 (en) A method for manufacturing mechanical pulp
WO1987006280A1 (en) Method of reducing the energy consumption at the refining of cellulose-containing material
WO2004050983A1 (en) Method and system for treatment of wood chips
US4207140A (en) Method of producing groundwood pulp
EP1664421B1 (de) Chemimechanische entkieselung von von holz verschiedenen pflanzlichen stoffen
SE461103B (sv) Framstaellning av mekanisk och kemimekanisk massa i tvaa steg
CN104611965B (zh) 一种桉木高白度半化学浆的制浆方法
Chang et al. A COMPARISON BETWEEN THE EFFECTS OF OZONE AND ALKALINE PEROXIDE TREATMENTS ON TMP PROPERTIES AND SUBSEQUENT LOW CONSISTENCY REFINING.
SE470555B (sv) Förfarande för tillverkning av mekanisk och kemimekanisk massa med ett utbyte av över 85 % från lignocellulosahaltigt fibermaterial
FI71779C (fi) Foerfarande foer framstaellning av mekanisk raffinoermassa.
JP2003027385A (ja) 機械パルプの製造方法
Petit-Conil¹ et al. High-yield pulps: an interesting concept for producing lignocellulosic fibers
NO172401B (no) Fremgangsmaate for fremstilling av mekanisk og kjemimekanisk papirmasse
Htun et al. A better understanding of wood as a material—a way to increased energy efficiency when making mechanical pulps?
EP0892107A1 (de) Herstellung von mechanischem Holzstoff mit reduziertem Energieverbrauch
Klungness et al. Lightweight, high-opacity paper: process costs and energy use reduction
Grossmann et al. Exploration of new scientific ideas for significant electricity savings in mechanical upgrading of pulp fibres for papermaking
Renders 5 Recycled fibre bleaching

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8801731-4

Format of ref document f/p: F

NUG Patent has lapsed