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AU1730083A - Oxygen treatment of low connistancy pulp - Google Patents

Oxygen treatment of low connistancy pulp

Info

Publication number
AU1730083A
AU1730083A AU17300/83A AU1730083A AU1730083A AU 1730083 A AU1730083 A AU 1730083A AU 17300/83 A AU17300/83 A AU 17300/83A AU 1730083 A AU1730083 A AU 1730083A AU 1730083 A AU1730083 A AU 1730083A
Authority
AU
Australia
Prior art keywords
connistancy
pulp
low
oxygen treatment
oxygen
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.)
Abandoned
Application number
AU17300/83A
Other languages
English (en)
Inventor
Not Given Name
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.)
Black Clawson Co
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 AU1730083A publication Critical patent/AU1730083A/en
Abandoned 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
    • D21C9/1068—Bleaching ; Apparatus therefor with O2

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Paper (AREA)
AU17300/83A 1982-09-30 1983-07-26 Oxygen treatment of low connistancy pulp Abandoned AU1730083A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US43144082A 1982-09-30 1982-09-30
US431440 1982-09-30
US50168283A 1983-06-06 1983-06-06
US501682 1983-06-06

Publications (1)

Publication Number Publication Date
AU1730083A true AU1730083A (en) 1984-04-05

Family

ID=27029037

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17300/83A Abandoned AU1730083A (en) 1982-09-30 1983-07-26 Oxygen treatment of low connistancy pulp

Country Status (5)

Country Link
EP (1) EP0106609A1 (no)
AU (1) AU1730083A (no)
BR (1) BR8305362A (no)
FI (1) FI833513A7 (no)
NO (1) NO832898L (no)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
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
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
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
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
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
CA2068981C (en) * 1991-05-24 1996-08-27 Michael A. Pikulin Two stage pulp bleaching reactor

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
NO832898L (no) 1984-04-02
BR8305362A (pt) 1984-05-08
FI833513L (fi) 1984-03-31
FI833513A0 (fi) 1983-09-29
FI833513A7 (fi) 1984-03-31
EP0106609A1 (en) 1984-04-25

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