FI811096L - SAETT VID TILLVERKNING AV MEKANISK CELLULOSAMASSA - Google Patents

SAETT VID TILLVERKNING AV MEKANISK CELLULOSAMASSA

Info

Publication number
FI811096L
FI811096L FI811096A FI811096A FI811096L FI 811096 L FI811096 L FI 811096L FI 811096 A FI811096 A FI 811096A FI 811096 A FI811096 A FI 811096A FI 811096 L FI811096 L FI 811096L
Authority
FI
Finland
Prior art keywords
cellulosamassa
mekanisk
tillverkning
saett
saett vid
Prior art date
Application number
FI811096A
Other languages
Finnish (fi)
Other versions
FI73016B (en
FI73016C (en
Inventor
Per-Erik Andersson
Goeran Erik Annergren
Tjell-Aoke Haegglund
Hans-Erik Hoeglund
Original Assignee
Sca Development 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 Sca Development Ab filed Critical Sca Development Ab
Publication of FI811096L publication Critical patent/FI811096L/en
Publication of FI73016B publication Critical patent/FI73016B/en
Application granted granted Critical
Publication of FI73016C publication Critical patent/FI73016C/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FI811096A 1980-04-10 1981-04-09 SAETT VID TILLVERKNING AV MEKANISK CELLULOSAMASSA. FI73016C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8002728 1980-04-10
SE8002728A SE445051B (en) 1980-04-10 1980-04-10 SET FOR MANUFACTURING MECHANICAL, MAINLY HEART-FREE CELLULOSAMASSA

Publications (3)

Publication Number Publication Date
FI811096L true FI811096L (en) 1981-10-11
FI73016B FI73016B (en) 1987-04-30
FI73016C FI73016C (en) 1987-08-10

Family

ID=20340719

Family Applications (1)

Application Number Title Priority Date Filing Date
FI811096A FI73016C (en) 1980-04-10 1981-04-09 SAETT VID TILLVERKNING AV MEKANISK CELLULOSAMASSA.

Country Status (10)

Country Link
JP (1) JPS56159384A (en)
AU (2) AU6901281A (en)
CA (1) CA1174013A (en)
DE (1) DE3114427A1 (en)
FI (1) FI73016C (en)
FR (1) FR2480321A1 (en)
IT (1) IT1209859B (en)
NL (1) NL187865C (en)
NO (1) NO159107C (en)
SE (1) SE445051B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567930B1 (en) * 1984-07-17 1986-08-29 Centre Tech Ind Papier PROCESS AND INSTALLATION FOR RECYCLING OF OLD PRINTED PAPERS
SE8501246L (en) * 1985-03-13 1986-09-14 Eka Ab SET TO MANUFACTURE IN BLEACH, CHEMICAL MECHANICAL AND SEMI-CHEMICAL FIBER MASS USING ONE-STEP IMAGRATION
CA1294396C (en) * 1986-05-30 1992-01-21 Richard Berry Process for decreasing the charge of chemical required in a bleaching extraction stage
FI115978B (en) * 2000-11-16 2005-08-31 Ciba Sc Holding Ag Process for the recovery of non-fibrous substances from wood material
CN105019286B (en) * 2015-07-29 2017-01-25 华南理工大学 Device and method for making refined cottons through performing high-concentration hydrogen peroxide bleaching on cotton linters
CN105064110B (en) * 2015-07-29 2017-04-12 华南理工大学 Cotton linter pulping device and pulping method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420329C (en) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab PROCEDURE FOR THE PREPARATION OF GRINDING PAPER
CA1151363A (en) * 1979-04-17 1983-08-09 Henri Lemoyne Process for the delignification of unbleached chemical pulp
SE443383C (en) * 1981-01-14 1987-11-16 Mo Och Domsjoe Ab PROCEDURE FOR WASHING CELLULOSAMASSA
FR2522030A1 (en) * 1982-02-19 1983-08-26 Scherb Metenett Papeteries PROCESS FOR SELECTIVELY WHITENING PAPER PULP AND PAPER OBTAINED BY CARRYING OUT SAID METHOD

Also Published As

Publication number Publication date
FR2480321A1 (en) 1981-10-16
SE8002728L (en) 1981-10-11
SE445051B (en) 1986-05-26
CA1174013A (en) 1984-09-11
FI73016B (en) 1987-04-30
IT1209859B (en) 1989-08-30
AU6901281A (en) 1981-10-29
NO159107B (en) 1988-08-22
DE3114427A1 (en) 1982-01-14
FI73016C (en) 1987-08-10
FR2480321B1 (en) 1984-09-14
IT8148224A0 (en) 1981-04-07
NO159107C (en) 1988-11-30
AU2316984A (en) 1984-05-10
NL187865C (en) 1992-02-03
NO811225L (en) 1981-10-12
NL8101748A (en) 1981-11-02
DE3114427C2 (en) 1987-12-17
AU568112B2 (en) 1987-12-17
JPS56159384A (en) 1981-12-08
JPH0219236B2 (en) 1990-05-01
NL187865B (en) 1991-09-02

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG