FI73016C - Saett vid tillverkning av mekanisk cellulosamassa. - Google Patents

Saett vid tillverkning av mekanisk cellulosamassa. Download PDF

Info

Publication number
FI73016C
FI73016C FI811096A FI811096A FI73016C FI 73016 C FI73016 C FI 73016C FI 811096 A FI811096 A FI 811096A FI 811096 A FI811096 A FI 811096A FI 73016 C FI73016 C FI 73016C
Authority
FI
Finland
Prior art keywords
pulp
bleaching
washing
resin
defibration
Prior art date
Application number
FI811096A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI73016B (fi
FI811096L (fi
Inventor
Hans Erik Hoeglund
Per-Erik Andersson
Goeran Erik Annergren
Tjell-Aoke Haegglund
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/fi
Publication of FI73016B publication Critical patent/FI73016B/fi
Application granted granted Critical
Publication of FI73016C publication Critical patent/FI73016C/fi

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 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8002728A SE445051B (sv) 1980-04-10 1980-04-10 Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa
SE8002728 1980-04-10

Publications (3)

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

Family

ID=20340719

Family Applications (1)

Application Number Title Priority Date Filing Date
FI811096A FI73016C (fi) 1980-04-10 1981-04-09 Saett vid tillverkning av mekanisk cellulosamassa.

Country Status (10)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567930B1 (fr) * 1984-07-17 1986-08-29 Centre Tech Ind Papier Procede et installation pour le recyclage de vieux papiers imprimes
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
CA1294396C (en) * 1986-05-30 1992-01-21 Richard Berry Process for decreasing the charge of chemical required in a bleaching extraction stage
FI115978B (fi) * 2000-11-16 2005-08-31 Ciba Sc Holding Ag Menetelmä ei-kuitupitoisten ainesten ottamiseksi talteen puumateriaalista
CN105064110B (zh) * 2015-07-29 2017-04-12 华南理工大学 一种棉短绒制浆装置及其制浆方法
CN105019286B (zh) * 2015-07-29 2017-01-25 华南理工大学 棉短绒高浓过氧化氢漂白制备精制棉的装置及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420329C (sv) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
AU539108B2 (en) * 1979-04-17 1984-09-13 Interox Societe Anonyme Delignification of unbleached chemical pulp
SE443383C (sv) * 1981-01-14 1987-11-16 Mo Och Domsjoe Ab Forfarande for tvettning av cellulosamassa
FR2522030A1 (fr) * 1982-02-19 1983-08-26 Scherb Metenett Papeteries Procede de blanchiment selectif de pate a papier et papier obtenu par mise en oeuvre de ce procede

Also Published As

Publication number Publication date
NL8101748A (nl) 1981-11-02
AU568112B2 (en) 1987-12-17
AU6901281A (en) 1981-10-29
DE3114427A1 (de) 1982-01-14
FI73016B (fi) 1987-04-30
SE8002728L (sv) 1981-10-11
NO811225L (no) 1981-10-12
IT8148224A0 (it) 1981-04-07
FR2480321A1 (fr) 1981-10-16
JPS56159384A (en) 1981-12-08
CA1174013A (en) 1984-09-11
FI811096L (fi) 1981-10-11
IT1209859B (it) 1989-08-30
NO159107C (no) 1988-11-30
DE3114427C2 (de) 1987-12-17
SE445051B (sv) 1986-05-26
NL187865B (nl) 1991-09-02
FR2480321B1 (de) 1984-09-14
NO159107B (no) 1988-08-22
JPH0219236B2 (de) 1990-05-01
AU2316984A (en) 1984-05-10
NL187865C (nl) 1992-02-03

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Owner name: SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG