FI71173C - Foerfarande foer framstaellning av blekt slipmassa - Google Patents

Foerfarande foer framstaellning av blekt slipmassa Download PDF

Info

Publication number
FI71173C
FI71173C FI812073A FI812073A FI71173C FI 71173 C FI71173 C FI 71173C FI 812073 A FI812073 A FI 812073A FI 812073 A FI812073 A FI 812073A FI 71173 C FI71173 C FI 71173C
Authority
FI
Finland
Prior art keywords
spray water
water
pocket
logs
fed
Prior art date
Application number
FI812073A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI812073L (fi
FI71173B (fi
Inventor
Jonas Arne Ingvar Lindahl
Original Assignee
Mo Och Domsjoe 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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of FI812073L publication Critical patent/FI812073L/fi
Application granted granted Critical
Publication of FI71173B publication Critical patent/FI71173B/fi
Publication of FI71173C publication Critical patent/FI71173C/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
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
FI812073A 1980-07-09 1981-07-01 Foerfarande foer framstaellning av blekt slipmassa FI71173C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8005034A SE446993B (sv) 1980-07-09 1980-07-09 Forfarande for framstellning av blekt slipmassa
SE8005034 1980-07-09

Publications (3)

Publication Number Publication Date
FI812073L FI812073L (fi) 1982-01-10
FI71173B FI71173B (fi) 1986-08-14
FI71173C true FI71173C (fi) 1986-11-24

Family

ID=20341398

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812073A FI71173C (fi) 1980-07-09 1981-07-01 Foerfarande foer framstaellning av blekt slipmassa

Country Status (11)

Country Link
US (1) US4578148A (no)
JP (1) JPS5729689A (no)
AT (1) AT377293B (no)
AU (1) AU548676B2 (no)
CA (1) CA1140305A (no)
DE (1) DE3127163C2 (no)
FI (1) FI71173C (no)
FR (1) FR2486555B1 (no)
NO (1) NO154640C (no)
NZ (1) NZ197396A (no)
SE (1) SE446993B (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543353A (en) * 1981-11-27 1985-09-24 Farmitalia Carlo Erba S.P.A. Ester and amide derivatives of 13,14-didehydro prostaglandins
US5799882A (en) * 1996-02-21 1998-09-01 Klimpel; Richard R. Hydroxy-carboxylic acid grinding aids
US6702921B2 (en) * 2001-05-01 2004-03-09 Ondeo Nalco Company Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
US20100224333A1 (en) * 2009-03-09 2010-09-09 Prasad Duggirala Method and chemical composition to improve efficiency of mechanical pulp
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
CN109537337A (zh) * 2018-07-16 2019-03-29 广西综改咨询服务有限公司 一种造纸用木材粉碎研磨装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE227064C (no) *
US1633733A (en) * 1925-03-21 1927-06-28 Jr Frederick K Fish Process and apparatus for manufacturing ground-wood pulp
US2050749A (en) * 1933-07-25 1936-08-11 Taylor Instrument Co Pulp grinder temperature control system
FR925243A (fr) * 1945-04-05 1947-08-28 St Regis Paper Co Perfectionnements apportés à la pâte blanchie de bois moulu et à ses procédés de fabrication
FR1204356A (fr) * 1957-04-05 1960-01-26 Degussa Procédé de fabrication de pâte de bois mécanique
US3690568A (en) * 1970-06-11 1972-09-12 Koehring Waterous Ltd Wood grinding
US4029543A (en) * 1971-12-14 1977-06-14 Mo Och Domsjo Mechanically freeing wood fibers in the presence of spent peroxide bleaching liquor
US4017356A (en) * 1973-05-22 1977-04-12 Defibrator Ab Apparatus and method for manufacturing wood pulp by grinding wood block material

Also Published As

Publication number Publication date
FI812073L (fi) 1982-01-10
ATA302381A (de) 1984-07-15
NO154640B (no) 1986-08-11
SE8005034L (sv) 1982-01-10
JPS5729689A (en) 1982-02-17
NO154640C (no) 1986-11-19
DE3127163C2 (de) 1986-01-16
DE3127163A1 (de) 1982-03-18
NO812324L (no) 1982-01-11
FR2486555B1 (fr) 1986-09-12
CA1140305A (en) 1983-02-01
AU7181281A (en) 1982-01-14
AU548676B2 (en) 1986-01-02
AT377293B (de) 1985-02-25
NZ197396A (en) 1983-12-16
FR2486555A1 (fr) 1982-01-15
US4578148A (en) 1986-03-25
SE446993B (sv) 1986-10-20
FI71173B (fi) 1986-08-14

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: MO OCH DOMSJOE AKTIEBOLAG