CH493691A - Process for the production of pulp containing lignocellulose - Google Patents

Process for the production of pulp containing lignocellulose

Info

Publication number
CH493691A
CH493691A CH497869A CH497869A CH493691A CH 493691 A CH493691 A CH 493691A CH 497869 A CH497869 A CH 497869A CH 497869 A CH497869 A CH 497869A CH 493691 A CH493691 A CH 493691A
Authority
CH
Switzerland
Prior art keywords
production
pulp containing
containing lignocellulose
lignocellulose
pulp
Prior art date
Application number
CH497869A
Other languages
German (de)
Inventor
Ingemar Bystedt Hjalmar Sten
Bertil Reinhall Rolf
Nicolaus Cederquist Karl
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
Publication of CH493691A publication Critical patent/CH493691A/en

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)
CH497869A 1968-04-02 1969-04-01 Process for the production of pulp containing lignocellulose CH493691A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH493691A true CH493691A (en) 1970-07-15

Family

ID=20264065

Family Applications (1)

Application Number Title Priority Date Filing Date
CH497869A CH493691A (en) 1968-04-02 1969-04-01 Process for the production of pulp containing lignocellulose

Country Status (15)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393881A1 (en) * 1977-06-08 1979-01-05 Beloit Corp HIGH TEMPERATURE REFINING WITH LOW THERMOMECHANICAL PULP CONSISTENCY

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT330562B (en) * 1972-10-23 1976-07-12 Sca Project Ab PROCESS FOR MANUFACTURING MECHANICALLY REFINED HIGH DENSITY FIBER
SE387977B (en) * 1975-01-27 1976-09-20 Elektrokemiska Ab WAY TO PRODUCE BLEACH, MECHANICAL PULP WITH HIGH STRENGTH AND BRIGHTNESS
SE420427C (en) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab PROCEDURE FOR THE PREPARATION OF GRINDING PAPER
SE420329C (en) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab PROCEDURE FOR THE PREPARATION OF GRINDING PAPER
SE8002027L (en) * 1980-03-14 1981-09-15 Sunds Defibrator IN CONNECTION WITH THE MANUFACTURE OF THERMOMECHANICAL MASS IMPROVING ITS ABSORPTION PROPERTIES
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 (en) * 1981-10-28 1983-07-25 Sunds Defibrator SET FOR MANUFACTURING FIBER DISCS BY THE WATER METHOD
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
CA2458273C (en) 2002-07-19 2008-10-07 Andritz Inc. High defiberization chip pretreatment
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 (en) * 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 (en) * 1963-05-31 1968-08-12 Defibrator Ab
SE308983B (en) * 1964-03-10 1969-03-03 Defibrator Ab

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393881A1 (en) * 1977-06-08 1979-01-05 Beloit Corp HIGH TEMPERATURE REFINING WITH LOW THERMOMECHANICAL PULP CONSISTENCY

Also Published As

Publication number Publication date
SU382303A3 (en) 1973-05-22
DE1912940A1 (en) 1970-02-26
PL79407B1 (en) 1975-06-30
YU69969A (en) 1975-10-31
RO55287A (en) 1973-05-17
AT302009B (en) 1972-09-25
YU33121B (en) 1976-04-30
SE341322B (en) 1971-12-20
GB1266898A (en) 1972-03-15
DE1912940C3 (en) 1981-03-19
NL6905189A (en) 1969-10-06
FR2005384A1 (en) 1969-12-12
DE1912940B2 (en) 1975-07-24
NO137831B (en) 1978-01-23
FI51718B (en) 1976-11-30
NO137831C (en) 1978-05-03
BE730803A (en) 1969-09-01
CS188102B2 (en) 1979-02-28
FI51718C (en) 1977-03-10

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Legal Events

Date Code Title Description
PL Patent ceased