AU7916491A - Tumbling ozone reactor for paper pulp - Google Patents

Tumbling ozone reactor for paper pulp

Info

Publication number
AU7916491A
AU7916491A AU79164/91A AU7916491A AU7916491A AU 7916491 A AU7916491 A AU 7916491A AU 79164/91 A AU79164/91 A AU 79164/91A AU 7916491 A AU7916491 A AU 7916491A AU 7916491 A AU7916491 A AU 7916491A
Authority
AU
Australia
Prior art keywords
tumbling
paper pulp
ozone reactor
ozone
reactor
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
AU79164/91A
Other languages
English (en)
Inventor
Thomas R. Delcourt
Stephen J. Dunn
Erwin D. Funk
Brian F. Greenwood
Jian Jiang
Joseph R. Phillips
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.)
Kamyr Inc
Original Assignee
Kamyr Inc
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 Inc filed Critical Kamyr Inc
Publication of AU7916491A publication Critical patent/AU7916491A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B01F27/1143—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections screw-shaped, e.g. worms
    • 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
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
AU79164/91A 1990-12-21 1991-06-19 Tumbling ozone reactor for paper pulp Abandoned AU7916491A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62972890A 1990-12-21 1990-12-21
US629728 1990-12-21

Publications (1)

Publication Number Publication Date
AU7916491A true AU7916491A (en) 1992-06-25

Family

ID=24524235

Family Applications (1)

Application Number Title Priority Date Filing Date
AU79164/91A Abandoned AU7916491A (en) 1990-12-21 1991-06-19 Tumbling ozone reactor for paper pulp

Country Status (8)

Country Link
EP (1) EP0492040A1 (ja)
JP (1) JPH04245990A (ja)
AU (1) AU7916491A (ja)
BR (1) BR9104774A (ja)
CA (1) CA2044898A1 (ja)
FI (1) FI915845A (ja)
NO (1) NO914100L (ja)
ZA (1) ZA915143B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU646267B2 (en) * 1991-02-06 1994-02-17 Beloit Technologies, Inc. Method and apparatus for treating fibrous materials with a gaseous reagent
AU647926B2 (en) * 1991-08-01 1994-03-31 Union Camp Patent Holding, Inc. Process and apparatus for conditioning ozone gas recycle stream in ozone pulp bleaching
AU671159B2 (en) * 1992-10-01 1996-08-15 Union Camp Patent Holding, Inc. Improved bleaching of high consistency lignocellulosic pulp

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for 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
FI925558A (fi) * 1992-04-22 1993-10-23 Ahlstroem Oy Foerfarande och anordning foer blekning av massa
WO1994015018A1 (en) * 1992-12-18 1994-07-07 Ingersoll-Rand Company Method and apparatus for regulating wood pulp bleaching
US5810973A (en) * 1993-09-21 1998-09-22 Beloit Technologies, Inc. Apparatus for producing small particles from high consistency wood pulp
EP0770157A4 (en) * 1994-07-14 1998-01-07 Union Camp Patent Holding IMPROVED BLEACHING OF A VERY CONCENTRATED LIGNOCELLULOSIC PASTE
CA2197190A1 (en) * 1994-08-11 1996-02-22 Lewis D. Shackford Means for gas-sealingly conveying shredded pulp
BR9609840A (pt) * 1995-07-26 1999-03-09 Beloit Technologies Inc Processo e aparelho para alvejamento de polpa com reagente de alvejamento gasoso
US5944952A (en) * 1995-07-26 1999-08-31 Beloit Technologies, Inc. Method for bleaching high consistency pulp with a gaseous bleaching reagent
US6077396A (en) * 1997-05-16 2000-06-20 Lariviere; Christopher J. Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent
SE514416C2 (sv) * 1999-06-10 2001-02-19 Valmet Fibertech Ab Metod och system för gastät inmatning av massa till en reaktor för ozonblekning
US6994831B1 (en) * 2002-10-23 2006-02-07 The United States Of America As Represented By The United States Department Of Energy Oxidative tritium decontamination system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI67413C (fi) * 1977-04-27 1985-03-11 Myrens Verksted As Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet
FR2620744A1 (fr) * 1987-09-17 1989-03-24 Degremont Procede de traitement par l'ozone de materiaux ligno-cellulosiques, notamment de pates a papier et reacteur pour la mise en oeuvre de ce procede
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU646267B2 (en) * 1991-02-06 1994-02-17 Beloit Technologies, Inc. Method and apparatus for treating fibrous materials with a gaseous reagent
AU647926B2 (en) * 1991-08-01 1994-03-31 Union Camp Patent Holding, Inc. Process and apparatus for conditioning ozone gas recycle stream in ozone pulp bleaching
AU671159B2 (en) * 1992-10-01 1996-08-15 Union Camp Patent Holding, Inc. Improved bleaching of high consistency lignocellulosic pulp

Also Published As

Publication number Publication date
BR9104774A (pt) 1992-08-18
FI915845A0 (fi) 1991-12-12
NO914100L (no) 1992-06-22
CA2044898A1 (en) 1992-06-22
JPH04245990A (ja) 1992-09-02
ZA915143B (en) 1992-10-28
EP0492040A1 (en) 1992-07-01
NO914100D0 (no) 1991-10-18
FI915845A (fi) 1992-06-22

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