BR9100093A - PROCESS FOR WASHING IN CONTRACURRENT AND MILLING OF A FOLDER FROM A CHEMICAL DIGESTING PROCESS - Google Patents

PROCESS FOR WASHING IN CONTRACURRENT AND MILLING OF A FOLDER FROM A CHEMICAL DIGESTING PROCESS

Info

Publication number
BR9100093A
BR9100093A BR919100093A BR9100093A BR9100093A BR 9100093 A BR9100093 A BR 9100093A BR 919100093 A BR919100093 A BR 919100093A BR 9100093 A BR9100093 A BR 9100093A BR 9100093 A BR9100093 A BR 9100093A
Authority
BR
Brazil
Prior art keywords
contracurrent
folder
milling
washing
chemical digesting
Prior art date
Application number
BR919100093A
Other languages
Portuguese (pt)
Inventor
Risto Silander
Original Assignee
Poeyry Jaakko & Co 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 Poeyry Jaakko & Co Oy filed Critical Poeyry Jaakko & Co Oy
Publication of BR9100093A publication Critical patent/BR9100093A/en

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
    • D21C9/10—Bleaching ; Apparatus therefor
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR919100093A 1990-01-11 1991-01-10 PROCESS FOR WASHING IN CONTRACURRENT AND MILLING OF A FOLDER FROM A CHEMICAL DIGESTING PROCESS BR9100093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI900162A FI86895C (en) 1990-01-11 1990-01-11 Method for countercurrent washing and bleaching of cellulose boiling pulp

Publications (1)

Publication Number Publication Date
BR9100093A true BR9100093A (en) 1991-10-22

Family

ID=8529679

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919100093A BR9100093A (en) 1990-01-11 1991-01-10 PROCESS FOR WASHING IN CONTRACURRENT AND MILLING OF A FOLDER FROM A CHEMICAL DIGESTING PROCESS

Country Status (6)

Country Link
JP (1) JP3001990B2 (en)
AU (1) AU6859891A (en)
BR (1) BR9100093A (en)
CA (1) CA2033855A1 (en)
FI (1) FI86895C (en)
SE (1) SE510558C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI85513C (en) * 1989-04-07 1992-04-27 Salomans Oy FOERFARANDE FOER BEHANDLING AV FIBERMASSA MED KEMIKALIELOESNING.

Also Published As

Publication number Publication date
FI900162A (en) 1991-07-12
SE9100024L (en) 1991-07-12
FI86895B (en) 1992-07-15
JPH04333684A (en) 1992-11-20
JP3001990B2 (en) 2000-01-24
FI900162A0 (en) 1990-01-11
CA2033855A1 (en) 1991-07-12
SE510558C2 (en) 1999-06-07
SE9100024D0 (en) 1991-01-04
AU6859891A (en) 1991-07-18
FI86895C (en) 1997-01-15

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 10/01/2011