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FI833513A - Anordning och foerfarande foer syreextraktion av massa med laegre konsistens - Google Patents

Anordning och foerfarande foer syreextraktion av massa med laegre konsistens Download PDF

Info

Publication number
FI833513A
FI833513A FI833513A FI833513A FI833513A FI 833513 A FI833513 A FI 833513A FI 833513 A FI833513 A FI 833513A FI 833513 A FI833513 A FI 833513A FI 833513 A FI833513 A FI 833513A
Authority
FI
Finland
Prior art keywords
consistency
laegre
syre
extraction
mass
Prior art date
Application number
FI833513A
Other languages
English (en)
Other versions
FI833513A0 (fi
Inventor
Larry D Markham
Original Assignee
Black Clawson Co
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 Black Clawson Co filed Critical Black Clawson Co
Publication of FI833513A0 publication Critical patent/FI833513A0/fi
Publication of FI833513A publication Critical patent/FI833513A/fi

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
    • D21C9/1068—Bleaching ; Apparatus therefor with O2

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Medicines Containing Plant Substances (AREA)
FI833513A 1982-09-30 1983-09-29 Anordning och foerfarande foer syreextraktion av massa med laegre konsistens FI833513A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43144082A 1982-09-30 1982-09-30
US50168283A 1983-06-06 1983-06-06

Publications (2)

Publication Number Publication Date
FI833513A0 FI833513A0 (fi) 1983-09-29
FI833513A true FI833513A (fi) 1984-03-31

Family

ID=27029037

Family Applications (1)

Application Number Title Priority Date Filing Date
FI833513A FI833513A (fi) 1982-09-30 1983-09-29 Anordning och foerfarande foer syreextraktion av massa med laegre konsistens

Country Status (5)

Country Link
EP (1) EP0106609A1 (fi)
AU (1) AU1730083A (fi)
BR (1) BR8305362A (fi)
FI (1) FI833513A (fi)
NO (1) NO832898L (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
US5211811A (en) * 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
US5173153A (en) * 1991-01-03 1992-12-22 Union Camp Patent Holding, Inc. Process for enhanced oxygen delignification using high consistency and a split alkali addition
US5217574A (en) * 1989-02-15 1993-06-08 Union Camp Patent Holdings Inc. Process for oxygen delignifying high consistency pulp by removing and recycling pressate from alkaline pulp
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5085734A (en) * 1989-02-15 1992-02-04 Union Camp Patent Holding, Inc. Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5409570A (en) * 1989-02-15 1995-04-25 Union Camp Patent Holding, Inc. Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
ES2106848T5 (es) * 1991-05-24 2001-09-01 Union Camp Patent Holding Metodo de blanqueo con ozono.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516447A (en) * 1947-02-24 1950-07-25 Elmer R Burling Method and apparatus for chemical treatment
US2772138A (en) * 1952-12-31 1956-11-27 Hercules Powder Co Ltd Continuous bleaching process
US3992248A (en) * 1969-05-19 1976-11-16 Stadler Hurter Limited Continuous feeding system for treatment towers
US3951733A (en) * 1974-11-06 1976-04-20 International Paper Company Delignification and bleaching of wood pulp with oxygen
JPS52132101A (en) * 1976-04-30 1977-11-05 Toyo Pulp Co Ltd Process and apparatus for treating cellulose material
US4209359A (en) * 1978-10-23 1980-06-24 International Paper Company Process for removing residual oxygen from oxygen-bleached pulp

Also Published As

Publication number Publication date
FI833513A0 (fi) 1983-09-29
EP0106609A1 (en) 1984-04-25
NO832898L (no) 1984-04-02
AU1730083A (en) 1984-04-05
BR8305362A (pt) 1984-05-08

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: THE BLACK CLAWSON CO