DE3601808C2 - - Google Patents

Info

Publication number
DE3601808C2
DE3601808C2 DE3601808A DE3601808A DE3601808C2 DE 3601808 C2 DE3601808 C2 DE 3601808C2 DE 3601808 A DE3601808 A DE 3601808A DE 3601808 A DE3601808 A DE 3601808A DE 3601808 C2 DE3601808 C2 DE 3601808C2
Authority
DE
Germany
Prior art keywords
pulp
foam
oxygen
stage
vessel
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
DE3601808A
Other languages
German (de)
English (en)
Other versions
DE3601808A1 (de
Inventor
Sven-Goeran Akersberga Se Svensson
Ingemar Stockholm Se Croon
Lars Taeby Se Blomberg
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.)
AGA AB
Original Assignee
AGA 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 AGA AB filed Critical AGA AB
Publication of DE3601808A1 publication Critical patent/DE3601808A1/de
Application granted granted Critical
Publication of DE3601808C2 publication Critical patent/DE3601808C2/de
Granted 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
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE19863601808 1985-01-24 1986-01-22 Verfahren zur behandlung einer cellulosepulpe Granted DE3601808A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8500342A SE452896B (sv) 1985-01-24 1985-01-24 Forfarande for behandling av cellulosamassor

Publications (2)

Publication Number Publication Date
DE3601808A1 DE3601808A1 (de) 1986-07-24
DE3601808C2 true DE3601808C2 (xx) 1988-12-08

Family

ID=20358888

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863601808 Granted DE3601808A1 (de) 1985-01-24 1986-01-22 Verfahren zur behandlung einer cellulosepulpe

Country Status (8)

Country Link
JP (1) JPS61201094A (xx)
BR (1) BR8600268A (xx)
CH (1) CH668788A5 (xx)
DE (1) DE3601808A1 (xx)
FI (1) FI78326C (xx)
FR (1) FR2576331B1 (xx)
NO (1) NO860249L (xx)
SE (1) SE452896B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE460202B (sv) * 1987-03-13 1989-09-18 Aga Ab Saett vid behandling av ett material med en gas i en vaetska
CN110670400B (zh) * 2019-09-25 2020-11-27 刘澄 一种用于卫生巾艾绒芯片立式蒸煮釜

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE126265C (xx) *
SE390549C (sv) * 1973-12-20 1986-04-14 Ahlstroem Oy Sett att bleka cellulosahaltigt material med syre eller fritt syre innehallande gas i alkalisk miljo
JPS5249306A (en) * 1975-10-20 1977-04-20 Toyo Pulp Co Ltd Process for bleaching pulp under normal pressure with air bubble
JPS5299302A (en) * 1976-02-13 1977-08-20 Toyo Pulp Co Ltd Process for separating lignin from cellulose fiber
SE462919B (sv) * 1979-05-11 1990-09-17 Sunds Defibrator Ind Ab Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre

Also Published As

Publication number Publication date
NO860249L (no) 1986-07-25
CH668788A5 (de) 1989-01-31
SE452896B (sv) 1987-12-21
FR2576331A1 (fr) 1986-07-25
SE8500342L (sv) 1986-07-25
FI860328A0 (fi) 1986-01-23
BR8600268A (pt) 1986-10-07
FR2576331B1 (fr) 1988-06-17
DE3601808A1 (de) 1986-07-24
FI860328A (fi) 1986-07-25
FI78326B (fi) 1989-03-31
FI78326C (fi) 1989-07-10
JPS61201094A (ja) 1986-09-05
SE8500342D0 (sv) 1985-01-24

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee