IT1174032B - Dispositivo per produrre pasta di legno meccanica - Google Patents

Dispositivo per produrre pasta di legno meccanica

Info

Publication number
IT1174032B
IT1174032B IT8421483A IT2148384A IT1174032B IT 1174032 B IT1174032 B IT 1174032B IT 8421483 A IT8421483 A IT 8421483A IT 2148384 A IT2148384 A IT 2148384A IT 1174032 B IT1174032 B IT 1174032B
Authority
IT
Italy
Prior art keywords
shavings
screw
zone
bleaching
grinding
Prior art date
Application number
IT8421483A
Other languages
English (en)
Other versions
IT8421483A0 (it
Inventor
Klaus Koch
Gerhard Syrbius
Original Assignee
Berstorff Gmbh Masch Hermann
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 Berstorff Gmbh Masch Hermann filed Critical Berstorff Gmbh Masch Hermann
Publication of IT8421483A0 publication Critical patent/IT8421483A0/it
Application granted granted Critical
Publication of IT1174032B publication Critical patent/IT1174032B/it

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
    • D21B1/30—Defibrating by other means

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Noodles (AREA)
IT8421483A 1983-06-25 1984-06-19 Dispositivo per produrre pasta di legno meccanica IT1174032B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3322924 1983-06-25

Publications (2)

Publication Number Publication Date
IT8421483A0 IT8421483A0 (it) 1984-06-19
IT1174032B true IT1174032B (it) 1987-06-24

Family

ID=6202382

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8421483A IT1174032B (it) 1983-06-25 1984-06-19 Dispositivo per produrre pasta di legno meccanica

Country Status (7)

Country Link
US (1) US4563243A (it)
JP (1) JPS6021993A (it)
FI (1) FI842467A7 (it)
FR (1) FR2549109A1 (it)
GB (1) GB2144458A (it)
IT (1) IT1174032B (it)
SE (1) SE8403358L (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0284380B1 (en) * 1987-03-25 1992-06-10 Kyowa Hakko Kogyo Kabushiki Kaisha Mitomycin derivatives
FR2629844B1 (fr) * 1988-04-06 1991-09-27 Clextral Procede pour la fabrication d'une pate a papier a usage fiduciaire
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5409570A (en) * 1989-02-15 1995-04-25 Union Camp Patent Holding, Inc. Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5211811A (en) * 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5441603A (en) * 1990-05-17 1995-08-15 Union Camp Patent Holding, Inc. Method for chelation of pulp prior to ozone delignification
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
DE69221385T2 (de) * 1991-05-24 1997-12-11 Union Camp Patent Holding, Inc., Wilmington, Del. Zweistufiger Reaktor zum Bleichen von Zellstoff und Verfahren zum Bleichen mit Ozon
JP2603038B2 (ja) * 1992-11-06 1997-04-23 明電プラント株式会社 古紙の処理装置
US5554259A (en) * 1993-10-01 1996-09-10 Union Camp Patent Holdings, Inc. Reduction of salt scale precipitation by control of process stream Ph and salt concentration
US6344109B1 (en) 1998-12-18 2002-02-05 Bki Holding Corporation Softened comminution pulp
US6451165B1 (en) * 2000-11-09 2002-09-17 Voith Paper, Inc. Channel pulper
US20060201641A1 (en) * 2001-08-07 2006-09-14 Bioregional Minimills (Uk) Limited Methods for producing pulp and treating black liquor
GB0119237D0 (en) * 2001-08-07 2001-10-03 Bioregional Minimills Uk Ltd Paper plant
CN108867137B (zh) * 2018-06-29 2019-09-17 天津科技大学 一种单螺杆磨浆机
CN115215944B (zh) * 2022-05-13 2023-03-10 浙江致为新材料有限公司 一种羟丙基甲基纤维素醚生产工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673690A (en) * 1951-10-27 1954-03-30 Hercules Powder Co Ltd Method for the digestion of cellulose-bearing material
US2829049A (en) * 1954-02-08 1958-04-01 Hercules Powder Co Ltd Method for the disintegration of cellulose-bearing material
US3305183A (en) * 1964-06-15 1967-02-21 Morden Machines Company Machine for treating pulp material
SE326097B (it) * 1967-02-23 1970-07-13 A Asplund
GB1087420A (en) * 1965-11-08 1967-10-18 Tea Res Ass Vertical tea processing machine
FR2319737A1 (fr) * 1975-07-31 1977-02-25 Creusot Loire Procede et machine de fabrication de pate a papier
US4136207A (en) * 1977-01-24 1979-01-23 Stake Technology Ltd. Method of treating lignocellulose materials to produce ruminant feed
US4295925A (en) * 1979-06-15 1981-10-20 Weyerhaeuser Company Treating pulp with oxygen

Also Published As

Publication number Publication date
SE8403358L (sv) 1984-12-26
FI842467L (fi) 1984-12-26
GB2144458A (en) 1985-03-06
SE8403358D0 (sv) 1984-06-21
FI842467A0 (fi) 1984-06-19
FI842467A7 (fi) 1984-12-26
FR2549109A1 (fr) 1985-01-18
JPS6021993A (ja) 1985-02-04
US4563243A (en) 1986-01-07
GB8415328D0 (en) 1984-07-18
IT8421483A0 (it) 1984-06-19

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