CA973662A - Process for the preparation of mechanical pulps - Google Patents

Process for the preparation of mechanical pulps

Info

Publication number
CA973662A
CA973662A CA158,759A CA158759A CA973662A CA 973662 A CA973662 A CA 973662A CA 158759 A CA158759 A CA 158759A CA 973662 A CA973662 A CA 973662A
Authority
CA
Canada
Prior art keywords
preparation
mechanical pulps
pulps
mechanical
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
CA158,759A
Other languages
English (en)
Other versions
CA158759S (en
Inventor
J. Arne I. Lindahl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo 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 Domsjo AB filed Critical Mo och Domsjo AB
Application granted granted Critical
Publication of CA973662A publication Critical patent/CA973662A/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
    • 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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA158,759A 1971-12-14 1972-12-13 Process for the preparation of mechanical pulps Expired CA973662A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1597371A SE363650B (nl) 1971-12-14 1971-12-14

Publications (1)

Publication Number Publication Date
CA973662A true CA973662A (en) 1975-09-02

Family

ID=20301521

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,759A Expired CA973662A (en) 1971-12-14 1972-12-13 Process for the preparation of mechanical pulps

Country Status (12)

Country Link
AT (1) AT323548B (nl)
BE (1) BE792031A (nl)
CA (1) CA973662A (nl)
CH (1) CH560288A5 (nl)
DE (1) DE2261049C3 (nl)
FI (1) FI54342C (nl)
FR (1) FR2165529A5 (nl)
GB (1) GB1392979A (nl)
IT (1) IT976017B (nl)
NL (1) NL154286B (nl)
NO (1) NO131847C (nl)
SE (1) SE363650B (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
SE387977B (sv) * 1975-01-27 1976-09-20 Elektrokemiska Ab Sett att framstella blekt, mekanisk massa med hog styrka och ljushet
NO760666L (no) * 1976-02-27 1977-08-30 Papirind Forskningsinst Fremgangsm}te ved fremstilling av mekaniske masser.
SE420329C (sv) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
SE433954B (sv) * 1980-03-25 1984-06-25 Mo Och Domsjoe Ab Forfarande och anordning for reduktion av vid framstellning av slipmassa fran vedstockar i stenslipverk uppkomna grovre vedrester och spetor jemte reglering av massans freeness
JPS6232195A (ja) * 1985-08-05 1987-02-12 花王株式会社 漂白性向上剤
CN110257453B (zh) * 2019-05-28 2023-03-28 中国林业科学研究院林产化学工业研究所 一种提高纤维原料生物酶解转化率制备可发酵糖的预处理方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3023140A (en) * 1958-11-24 1962-02-27 Bauer Bros Co Pulp bleaching

Also Published As

Publication number Publication date
GB1392979A (en) 1975-05-07
DE2261049A1 (de) 1973-06-20
IT976017B (it) 1974-08-20
FI54342C (fi) 1978-11-10
FI54342B (fi) 1978-07-31
DE2261049C3 (de) 1986-02-13
NL154286B (nl) 1977-08-15
FR2165529A5 (nl) 1973-08-03
CH560288A5 (nl) 1975-03-27
SE363650B (nl) 1974-01-28
NO131847C (nl) 1975-08-13
NL7216935A (nl) 1973-06-18
AT323548B (de) 1975-07-10
BE792031A (fr) 1973-03-16
NO131847B (nl) 1975-05-05
DE2261049B2 (de) 1978-04-06

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