CA1120301A - Method for improving of paper pulp stock manufactured mechanically from wood - Google Patents

Method for improving of paper pulp stock manufactured mechanically from wood

Info

Publication number
CA1120301A
CA1120301A CA000337933A CA337933A CA1120301A CA 1120301 A CA1120301 A CA 1120301A CA 000337933 A CA000337933 A CA 000337933A CA 337933 A CA337933 A CA 337933A CA 1120301 A CA1120301 A CA 1120301A
Authority
CA
Canada
Prior art keywords
pulp
filler
defibrating
filler material
wood
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
CA000337933A
Other languages
English (en)
French (fr)
Inventor
Antti Lehtinen
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.)
Valmet Oy
Original Assignee
Valmet Oy
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 Valmet Oy filed Critical Valmet Oy
Application granted granted Critical
Publication of CA1120301A publication Critical patent/CA1120301A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14Disintegrating in mills
    • D21B1/16Disintegrating in mills in the presence of chemical agents
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14Disintegrating in mills
    • D21B1/18Disintegrating in mills in magazine-type machines
    • D21B1/24Disintegrating in mills in magazine-type machines of the pocket type

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Soft Magnetic Materials (AREA)
CA000337933A 1978-10-19 1979-10-18 Method for improving of paper pulp stock manufactured mechanically from wood Expired CA1120301A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI783193 1978-10-19
FI783193A FI57978C (fi) 1978-10-19 1978-10-19 Foerfarande foer framstaellning av slipmassa och foer foerbaettring av dess egenskaper

Publications (1)

Publication Number Publication Date
CA1120301A true CA1120301A (en) 1982-03-23

Family

ID=8512087

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000337933A Expired CA1120301A (en) 1978-10-19 1979-10-18 Method for improving of paper pulp stock manufactured mechanically from wood

Country Status (10)

Country Link
JP (1) JPS5557090A (pt)
BR (1) BR7906762A (pt)
CA (1) CA1120301A (pt)
DE (1) DE2941675A1 (pt)
FI (1) FI57978C (pt)
FR (1) FR2439263A1 (pt)
GB (1) GB2035839B (pt)
IT (1) IT1125495B (pt)
NO (1) NO793357L (pt)
SE (1) SE7908578L (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JPS5557090A (en) 1980-04-26
FI783193A (fi) 1980-04-20
IT1125495B (it) 1986-05-14
GB2035839B (en) 1982-10-27
FR2439263A1 (fr) 1980-05-16
FI57978B (fi) 1980-07-31
BR7906762A (pt) 1980-06-03
FI57978C (fi) 1980-11-10
FR2439263B3 (pt) 1981-08-14
GB2035839A (en) 1980-06-25
DE2941675A1 (de) 1980-04-30
NO793357L (no) 1980-04-22
IT7926605A0 (it) 1979-10-18
SE7908578L (sv) 1980-04-20

Similar Documents

Publication Publication Date Title
US4229250A (en) Method of improving properties of mechanical paper pulp without chemical reaction therewith
US3382140A (en) Process for fibrillating cellulosic fibers and products thereof
EP0690938B1 (en) A method for fiber loading a chemical compound
CA1080911A (en) Process for making high-strength, high-yield sulfite-modified thermomechanical pulp and a linerboard composition produced therefrom
Leatham et al. Biomechanical pulping of aspen chips: energy savings resulting from different fungal treatments
US6267841B1 (en) Low energy thermomechanical pulping process using an enzyme treatment between refining zones
FI103417B (fi) Paperiraina ja menetelmä sen valmistamiseksi
EP0096548B1 (en) Two-stage chemical treatment of mechanical wood pulp
EP1407073B1 (en) Method of producing bleached thermomechanical pulp (tmp) or bleached chemithermomechanical pulp (ctmp)
US4116758A (en) Method of producing high yield chemimechanical pulps
US3620911A (en) Wet depithing of a nonwoody lignocellulosic plant material
CA1096676A (en) Process and apparatus for improving the properties of a thermomechanical paper pulp
US3224925A (en) Fibrous products from barking waste
US4190490A (en) Impregnation and digestion of wood chips
US4966651A (en) Method of paper making using an abrasive refiner for refining bleached thermochemical hardwood pulp
CA1120301A (en) Method for improving of paper pulp stock manufactured mechanically from wood
US20190211508A1 (en) Paper Processing Composition and Process of Production
US4247363A (en) Process for producing stone groundwood pulp from wood chips by using a stone grinder
US3013931A (en) Printing paper and process of making the same
EP0030778B1 (en) Process for the formation of refiner pulp
USRE28777E (en) Refining of vegetable matter and delignification of the refined matter with chlorine dioxide
US4221630A (en) Wet method of preparing fiberboard products in a substantially closed and balanced white water system
US3446697A (en) Method of improving the drainage properties of high bark content wood pulp in the making of fiberboard
CA1051618A (en) Method of producing high yield chemimechanical pulps
US4406734A (en) Method for the manufacture of mechanical pulp

Legal Events

Date Code Title Description
MKEX Expiry