BR8902634A - Metodo de preparacao de uma polpa - Google Patents

Metodo de preparacao de uma polpa

Info

Publication number
BR8902634A
BR8902634A BR898902634A BR8902634A BR8902634A BR 8902634 A BR8902634 A BR 8902634A BR 898902634 A BR898902634 A BR 898902634A BR 8902634 A BR8902634 A BR 8902634A BR 8902634 A BR8902634 A BR 8902634A
Authority
BR
Brazil
Prior art keywords
pulp
preparing
Prior art date
Application number
BR898902634A
Other languages
English (en)
Inventor
Julio Amador
Eurico De Faria Amaro
Hans Thorleif Haukerud
Ake Backlund
Original Assignee
Kamyr 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 Kamyr Ab filed Critical Kamyr Ab
Publication of BR8902634A publication Critical patent/BR8902634A/pt

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/10—Physical methods for facilitating impregnation
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
BR898902634A 1988-06-06 1989-06-06 Metodo de preparacao de uma polpa BR8902634A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8802089A SE461280B (sv) 1988-06-06 1988-06-06 Behandling av ett fiberhaltigt material foere kokning till massa

Publications (1)

Publication Number Publication Date
BR8902634A true BR8902634A (pt) 1990-01-23

Family

ID=20372522

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898902634A BR8902634A (pt) 1988-06-06 1989-06-06 Metodo de preparacao de uma polpa

Country Status (11)

Country Link
US (1) US4968385A (pt)
CN (1) CN1030725C (pt)
AR (1) AR246991A1 (pt)
AT (1) AT394584B (pt)
AU (1) AU613189B2 (pt)
BR (1) BR8902634A (pt)
CA (1) CA1327104C (pt)
DE (1) DE3915544C2 (pt)
FI (1) FI92721C (pt)
MX (1) MX171805B (pt)
SE (1) SE461280B (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670512A1 (fr) * 1990-12-17 1992-06-19 Int Patents Corp Systeme d'alimentation en plantes annuelles ou copeaux de bois pour un reacteur de cuisson continu sous pression destine a la production de pate cellulosique.
US5718802A (en) * 1992-11-16 1998-02-17 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Process for obtaining cellulosic fiber bundles at least 2.5 cm long from plant stalk rind
US5338366A (en) * 1993-01-04 1994-08-16 Kamyr, Inc. Acid pre-hydrolysis reactor system
FI103418B1 (fi) * 1996-01-31 1999-06-30 Sunds Defibrator Woodhandling Menetelmä ja laite selluloosamassan valmistamiseen käytettävän kuituaineksen esikäsittelemiseksi
US6325890B1 (en) * 1996-10-25 2001-12-04 Andritz-Ahlstrom Inc. Feeding comminuted fibrous material
US5753075A (en) * 1996-10-25 1998-05-19 Stromberg; C. Bertil Method and system for feeding comminuted fibrous material
SE528571C2 (sv) * 2005-03-23 2006-12-19 Kvaerner Pulping Tech Arrangemang för matning av en flissuspension från ett kärl till en kokare
GB201203651D0 (en) 2012-03-01 2012-04-18 Cellucomp Ltd Cellulose compositions, methods of preparing cellulose compositions and products comprising cellulose compositions
CN103233383A (zh) * 2013-04-23 2013-08-07 杨金福 一种超高粘度精制棉的生产工艺
CN106835787B (zh) * 2017-02-06 2019-03-01 东北林业大学 一种玉米秸秆湿法除髓方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913362A (en) * 1954-06-14 1959-11-17 Internat Pulp Products Inc Method of producing cellulosic pulp
US2975096A (en) * 1957-11-18 1961-03-14 Bauer Bros Co Impregnation of wood chips
US3096234A (en) * 1958-10-29 1963-07-02 Nolan Continuous digesting system
US3081218A (en) * 1960-03-18 1963-03-12 Harold R Ambuehl Continuous pulping process for the production of paper products
US3620911A (en) * 1969-07-03 1971-11-16 Beloit Corp Wet depithing of a nonwoody lignocellulosic plant material
FI62872C (fi) * 1978-06-06 1983-03-10 Ahlstroem Oy Anordning foer silning av fibersuspensioner
US4259150A (en) * 1978-12-18 1981-03-31 Kamyr Inc. Plural stage mixing and thickening oxygen bleaching process

Also Published As

Publication number Publication date
AT394584B (de) 1992-05-11
AU3486489A (en) 1989-12-07
AR246991A1 (es) 1994-10-31
FI92721C (fi) 1994-12-27
DE3915544A1 (de) 1989-12-07
SE461280B (sv) 1990-01-29
CN1038849A (zh) 1990-01-17
SE8802089D0 (sv) 1988-06-06
CN1030725C (zh) 1996-01-17
CA1327104C (en) 1994-02-22
AU613189B2 (en) 1991-07-25
MX171805B (es) 1993-11-16
DE3915544C2 (de) 1993-11-11
FI892741A (fi) 1989-12-07
SE8802089L (sv) 1989-12-07
US4968385A (en) 1990-11-06
FI92721B (fi) 1994-09-15
ATA124289A (de) 1991-10-15
FI892741A0 (fi) 1989-06-05

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Legal Events

Date Code Title Description
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law