BR9207052A - Aparelho reator para branquear partículas de polpa de elevada - Google Patents

Aparelho reator para branquear partículas de polpa de elevada

Info

Publication number
BR9207052A
BR9207052A BR9207052A BR9207052A BR9207052A BR 9207052 A BR9207052 A BR 9207052A BR 9207052 A BR9207052 A BR 9207052A BR 9207052 A BR9207052 A BR 9207052A BR 9207052 A BR9207052 A BR 9207052A
Authority
BR
Brazil
Prior art keywords
pulp
bleaching
ozone
reactor apparatus
pulp particles
Prior art date
Application number
BR9207052A
Other languages
English (en)
Inventor
David C White
Michael Pikulin
Thomas P Gandek
William H Friend
Original Assignee
Union Camp Patent Holding
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 Union Camp Patent Holding filed Critical Union Camp Patent Holding
Publication of BR9207052A publication Critical patent/BR9207052A/pt

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
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0724—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis directly mounted on the rotating axis
    • 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
    • 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
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/071—Fixing of the stirrer to the shaft
    • 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
    • B01F27/1145—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections ribbon shaped with an open space between the helical ribbon flight and the rotating axis

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Treatment Of Fiber Materials (AREA)
BR9207052A 1992-01-15 1992-04-24 Aparelho reator para branquear partículas de polpa de elevada BR9207052A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/821,117 US5472572A (en) 1990-10-26 1992-01-15 Reactor for bleaching high consistency pulp with ozone
PCT/US1992/003389 WO1993014260A1 (en) 1992-01-15 1992-04-24 Pulp bleaching apparatus and method

Publications (1)

Publication Number Publication Date
BR9207052A true BR9207052A (pt) 1995-12-05

Family

ID=25232567

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9207052A BR9207052A (pt) 1992-01-15 1992-04-24 Aparelho reator para branquear partículas de polpa de elevada

Country Status (15)

Country Link
US (1) US5472572A (pt)
EP (1) EP0627029B1 (pt)
JP (1) JP3691845B2 (pt)
AT (1) ATE188521T1 (pt)
AU (1) AU661014B2 (pt)
BR (1) BR9207052A (pt)
CA (1) CA2128241C (pt)
DE (1) DE69230539T2 (pt)
DK (1) DK0627029T3 (pt)
ES (1) ES2143989T3 (pt)
FI (1) FI110195B (pt)
NO (1) NO302765B1 (pt)
RU (1) RU2117720C1 (pt)
SE (1) SE9402489L (pt)
WO (1) WO1993014260A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5672247A (en) * 1995-03-03 1997-09-30 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US20050173082A1 (en) * 1998-08-24 2005-08-11 Arbozon Oy Ltd. Bleaching of medium consistency pulp with ozone without high shear mixing
US20040200589A1 (en) * 2003-04-08 2004-10-14 Herring William J. Method of making pulp having high hemicellulose content
US20040200587A1 (en) * 2003-04-08 2004-10-14 Herring William J. Cellulose pulp having increased hemicellulose content
SE0400940L (sv) 2004-04-07 2005-08-16 Kvaerner Pulping Tech Förfarande och anordning för utspädning av avvattnad cellulosamassa
KR20110067992A (ko) * 2009-12-15 2011-06-22 삼성전자주식회사 내부발열을 이용한 바이오매스의 전처리 방법 및 전처리 장치

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US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone
NL7607249A (nl) * 1976-06-30 1978-01-03 Ibm Nederland Mechanisme voor het uitvoeren van een omwen- teling.
JPS5331964A (en) * 1976-09-06 1978-03-25 Nippon Telegr & Teleph Corp <Ntt> Production of semiconductor substrates
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
JPS5430902A (en) * 1977-06-27 1979-03-07 Seisan Kaihatsu Kagaku Kenkyus Industrial multistage pulp bleaching method
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
CA1112813A (en) * 1978-04-06 1981-11-24 Arthur W. Kempf Method for extracting ozone-treated fibrous materials
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US4444621A (en) * 1980-11-21 1984-04-24 Mo Och Domsjo Aktiebolag Process and apparatus for the deresination and brightness improvement of cellulose pulp
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US4426256A (en) * 1982-03-09 1984-01-17 Myrens Verksted A/S Apparatus for treating fibrous material with a gas
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FR2609067B1 (fr) * 1986-12-31 1990-06-15 Beghin Say Sa Procede pour le traitement a l'ozone d'une pate cellulosique
AT388193B (de) * 1987-06-12 1989-05-10 Andritz Ag Maschf Mischer
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
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
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Also Published As

Publication number Publication date
FI110195B (fi) 2002-12-13
NO302765B1 (no) 1998-04-20
EP0627029A1 (en) 1994-12-07
DK0627029T3 (da) 2000-06-13
ATE188521T1 (de) 2000-01-15
EP0627029B1 (en) 2000-01-05
SE9402489L (sv) 1994-09-13
JPH07507103A (ja) 1995-08-03
US5472572A (en) 1995-12-05
WO1993014260A1 (en) 1993-07-22
SE9402489D0 (sv) 1994-07-15
NO942645D0 (no) 1994-07-14
FI943356A0 (fi) 1994-07-14
AU2265792A (en) 1993-08-03
FI943356A (fi) 1994-09-14
JP3691845B2 (ja) 2005-09-07
RU94037763A (ru) 1996-07-10
DE69230539D1 (de) 2000-02-10
CA2128241A1 (en) 1993-07-22
NO942645L (no) 1994-09-02
DE69230539T2 (de) 2000-08-03
ES2143989T3 (es) 2000-06-01
RU2117720C1 (ru) 1998-08-20
AU661014B2 (en) 1995-07-13
CA2128241C (en) 2000-09-05
EP0627029A4 (en) 1995-12-06

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
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 Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 24/04/2012