GB1266898A - - Google Patents

Info

Publication number
GB1266898A
GB1266898A GB1266898DA GB1266898A GB 1266898 A GB1266898 A GB 1266898A GB 1266898D A GB1266898D A GB 1266898DA GB 1266898 A GB1266898 A GB 1266898A
Authority
GB
United Kingdom
Prior art keywords
chips
defibrator
steam
pulp
water
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1266898A publication Critical patent/GB1266898A/en
Expired legal-status Critical Current

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)
GB1266898D 1968-04-02 1969-03-17 Expired GB1266898A (ru)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1266898A true GB1266898A (ru) 1972-03-15

Family

ID=20264065

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1266898D Expired GB1266898A (ru) 1968-04-02 1969-03-17

Country Status (15)

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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207139A (en) * 1978-02-16 1980-06-10 Mo Och Domsjo Aktiebolag Method for producing groundwood pulp
US4207140A (en) * 1978-02-16 1980-06-10 Mo Och Domsjo Aktiebolag Method of producing groundwood pulp
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
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
US7300541B2 (en) 2002-07-19 2007-11-27 Andritz Inc. High defiberization chip pretreatment
US7981247B2 (en) * 2003-12-04 2011-07-19 Hercules Incorporated Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood

Families Citing this family (5)

* 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
SE8002027L (sv) * 1980-03-14 1981-09-15 Sunds Defibrator Sett att i samband med tillverkningen av termomekaniska massa forbettra dennas absorptionsegenskaper
SE428813B (sv) * 1981-10-28 1983-07-25 Sunds Defibrator Sett for framstellning av fiberskivor enligt den vata metoden

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
BE496868A (ru) * 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 (ru) * 1963-05-31 1968-08-12 Defibrator Ab
SE308983B (ru) * 1964-03-10 1969-03-03 Defibrator Ab

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207139A (en) * 1978-02-16 1980-06-10 Mo Och Domsjo Aktiebolag Method for producing groundwood pulp
US4207140A (en) * 1978-02-16 1980-06-10 Mo Och Domsjo Aktiebolag Method of producing groundwood pulp
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
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
US7300541B2 (en) 2002-07-19 2007-11-27 Andritz Inc. High defiberization chip pretreatment
US7758720B2 (en) 2002-07-19 2010-07-20 Andritz Inc. High defiberization pretreatment process for mechanical refining
US7758721B2 (en) 2002-07-19 2010-07-20 Andritz Inc. Pulping process with high defiberization chip pretreatment
US7892400B2 (en) 2002-07-19 2011-02-22 Andritz Inc. High defiberization chip pretreatment apparatus
US7981247B2 (en) * 2003-12-04 2011-07-19 Hercules Incorporated Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood

Also Published As

Publication number Publication date
YU69969A (en) 1975-10-31
NL6905189A (ru) 1969-10-06
RO55287A (ru) 1973-05-17
DE1912940A1 (de) 1970-02-26
CH493691A (de) 1970-07-15
PL79407B1 (ru) 1975-06-30
FI51718C (fi) 1977-03-10
AT302009B (de) 1972-09-25
DE1912940B2 (de) 1975-07-24
YU33121B (en) 1976-04-30
SE341322B (ru) 1971-12-20
NO137831C (no) 1978-05-03
DE1912940C3 (de) 1981-03-19
CS188102B2 (en) 1979-02-28
FI51718B (ru) 1976-11-30
SU382303A3 (ru) 1973-05-22
NO137831B (no) 1978-01-23
FR2005384A1 (ru) 1969-12-12
BE730803A (ru) 1969-09-01

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CH504478A (fr) Procédé de fabrication d'une pâte de cellulose
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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee