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DE3064270D1 - Process for the formation of refiner pulp - Google Patents

Process for the formation of refiner pulp

Info

Publication number
DE3064270D1
DE3064270D1 DE8080302722T DE3064270T DE3064270D1 DE 3064270 D1 DE3064270 D1 DE 3064270D1 DE 8080302722 T DE8080302722 T DE 8080302722T DE 3064270 T DE3064270 T DE 3064270T DE 3064270 D1 DE3064270 D1 DE 3064270D1
Authority
DE
Germany
Prior art keywords
formation
refiner pulp
refiner
pulp
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
DE8080302722T
Other languages
German (de)
Inventor
Adrian John Barnet
Alan Caughey Shaw
Charles Donald Logan
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.)
QNS PAPER
Original Assignee
QNS PAPER
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 QNS PAPER filed Critical QNS PAPER
Application granted granted Critical
Publication of DE3064270D1 publication Critical patent/DE3064270D1/en
Expired legal-status Critical Current

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
DE8080302722T 1979-12-17 1980-08-08 Process for the formation of refiner pulp Expired DE3064270D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10466879A 1979-12-17 1979-12-17

Publications (1)

Publication Number Publication Date
DE3064270D1 true DE3064270D1 (en) 1983-08-25

Family

ID=22301732

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080302722T Expired DE3064270D1 (en) 1979-12-17 1980-08-08 Process for the formation of refiner pulp

Country Status (9)

Country Link
EP (1) EP0030778B1 (en)
JP (1) JPS5691093A (en)
AU (1) AU531907B2 (en)
BR (1) BR8005950A (en)
CA (1) CA1145107A (en)
DE (1) DE3064270D1 (en)
FI (1) FI71779C (en)
MX (1) MX156081A (en)
NZ (1) NZ194407A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502918A (en) * 1981-06-10 1985-03-05 Macmillan Bloedel Limited Two-stage chemical treatment of mechanical wood pulp with sodium sulfite
SE456430B (en) * 1985-11-06 1988-10-03 Sunds Defibrator SET FOR MAKING MECHANICAL MASS
US4718980A (en) * 1985-12-30 1988-01-12 Weyerhaeuser Company Interstage treatment of mechanical pulp
US5607546A (en) * 1990-02-13 1997-03-04 Molnlycke Ab CTMP-process
SE466060C (en) 1990-02-13 1995-09-11 Moelnlycke Ab Absorbent chemitermomechanical mass and preparation thereof
AU4271596A (en) * 1995-12-19 1997-07-14 Kvaerner Hymac Inc. Process for treating refiner pulp
CA2243228A1 (en) * 1997-07-17 1999-01-17 Donohue Inc. Preparation of mechanical wood pulps with reduced energy

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145246A (en) * 1976-07-19 1979-03-20 Crown Zellerbach Corporation Process for making high-strength, high-yield sulfite-modified thermomechanical pulp and a linerboard composition produced therefrom

Also Published As

Publication number Publication date
FI71779B (en) 1986-10-31
FI802654A (en) 1981-06-18
FI71779C (en) 1987-02-09
EP0030778A1 (en) 1981-06-24
BR8005950A (en) 1981-06-23
NZ194407A (en) 1983-02-15
EP0030778B1 (en) 1983-07-20
AU6046080A (en) 1981-06-25
CA1145107A (en) 1983-04-26
JPS5691093A (en) 1981-07-23
AU531907B2 (en) 1983-09-08
MX156081A (en) 1988-06-30

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee