AT302009B - Verfahren zur Herstellung von mechanischem Faserstoff aus lignozellulosehaltigem Material - Google Patents

Verfahren zur Herstellung von mechanischem Faserstoff aus lignozellulosehaltigem Material

Info

Publication number
AT302009B
AT302009B AT301069A AT301069A AT302009B AT 302009 B AT302009 B AT 302009B AT 301069 A AT301069 A AT 301069A AT 301069 A AT301069 A AT 301069A AT 302009 B AT302009 B AT 302009B
Authority
AT
Austria
Prior art keywords
production
lignocellulosic material
mechanical pulp
pulp
mechanical
Prior art date
Application number
AT301069A
Other languages
English (en)
Original Assignee
Defibrator 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 Defibrator Ab filed Critical Defibrator Ab
Application granted granted Critical
Publication of AT302009B publication Critical patent/AT302009B/de

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
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
AT301069A 1968-04-02 1969-03-26 Verfahren zur Herstellung von mechanischem Faserstoff aus lignozellulosehaltigem Material AT302009B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE437668A SE341322B (de) 1968-04-02 1968-04-02

Publications (1)

Publication Number Publication Date
AT302009B true AT302009B (de) 1972-09-25

Family

ID=20264065

Family Applications (1)

Application Number Title Priority Date Filing Date
AT301069A AT302009B (de) 1968-04-02 1969-03-26 Verfahren zur Herstellung von mechanischem Faserstoff aus lignozellulosehaltigem Material

Country Status (15)

Country Link
AT (1) AT302009B (de)
BE (1) BE730803A (de)
CH (1) CH493691A (de)
CS (1) CS188102B2 (de)
DE (1) DE1912940C3 (de)
FI (1) FI51718C (de)
FR (1) FR2005384A1 (de)
GB (1) GB1266898A (de)
NL (1) NL6905189A (de)
NO (1) NO137831C (de)
PL (1) PL79407B1 (de)
RO (1) RO55287A (de)
SE (1) SE341322B (de)
SU (1) SU382303A3 (de)
YU (1) YU33121B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT330562B (de) * 1972-10-23 1976-07-12 Sca Project Ab Verfahren zur herstellung von mechanisch verfeinertem faserstoff hoher dichte
SE387977B (sv) * 1975-01-27 1976-09-20 Elektrokemiska Ab Sett att framstella blekt, mekanisk massa med hog styrka och ljushet
CA1070536A (en) * 1977-06-08 1980-01-29 John B. Matthew High temperature low consistency refining of thermo-mechanical pulp
SE420427C (sv) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
SE420329C (sv) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
SE8002027L (sv) * 1980-03-14 1981-09-15 Sunds Defibrator Sett att i samband med tillverkningen av termomekaniska massa forbettra dennas absorptionsegenskaper
US4347100A (en) * 1981-05-21 1982-08-31 The Chemithon Corporation Strength of paper from mechanical or thermomechanical pulp
US4383889A (en) * 1981-09-08 1983-05-17 Nalco Chemical Company Pulp refining process and additive therefor
SE428813B (sv) * 1981-10-28 1983-07-25 Sunds Defibrator Sett for framstellning av fiberskivor enligt den vata metoden
US4692214A (en) * 1984-10-29 1987-09-08 Kamyr Ab Apparatus for producing mechanical pulp with a refiner having its drive shaft connected to a steam turbine output shaft
SE532703C2 (sv) 2002-07-19 2010-03-23 Andritz Inc Anordning för förbehandling av flis innefattande en skruvpress och en raffinator
US7726592B2 (en) * 2003-12-04 2010-06-01 Hercules Incorporated Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1850832A (en) * 1925-06-13 1932-03-22 Insulite Co Process of separating wood fibers
GB657621A (en) * 1948-01-22 1951-09-26 Agicide Lab Inc Process for grinding and classifying organic materials
NL84387C (de) * 1949-07-26
GB1016872A (en) * 1961-07-14 1966-01-12 Defibrator Ab Improvements in and relating to production of chips from cellulose and similar materials
SE303088B (de) * 1963-05-31 1968-08-12 Defibrator Ab
SE308983B (de) * 1964-03-10 1969-03-03 Defibrator Ab

Also Published As

Publication number Publication date
DE1912940B2 (de) 1975-07-24
CH493691A (de) 1970-07-15
SE341322B (de) 1971-12-20
DE1912940C3 (de) 1981-03-19
SU382303A3 (de) 1973-05-22
YU69969A (en) 1975-10-31
GB1266898A (de) 1972-03-15
RO55287A (de) 1973-05-17
NO137831B (no) 1978-01-23
NO137831C (no) 1978-05-03
BE730803A (de) 1969-09-01
DE1912940A1 (de) 1970-02-26
YU33121B (en) 1976-04-30
FI51718B (de) 1976-11-30
FR2005384A1 (de) 1969-12-12
PL79407B1 (de) 1975-06-30
CS188102B2 (en) 1979-02-28
FI51718C (fi) 1977-03-10
NL6905189A (de) 1969-10-06

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee