BR9103446A - Metodo e aparelho para o tratamento de material fibroso com um reagente gasoso,aparelho para o tratamento de material fibroso afofado com um reagente gasoso e aparelho para alvejar polpa de madeira com um reagente gasoso - Google Patents

Metodo e aparelho para o tratamento de material fibroso com um reagente gasoso,aparelho para o tratamento de material fibroso afofado com um reagente gasoso e aparelho para alvejar polpa de madeira com um reagente gasoso

Info

Publication number
BR9103446A
BR9103446A BR919103446A BR9103446A BR9103446A BR 9103446 A BR9103446 A BR 9103446A BR 919103446 A BR919103446 A BR 919103446A BR 9103446 A BR9103446 A BR 9103446A BR 9103446 A BR9103446 A BR 9103446A
Authority
BR
Brazil
Prior art keywords
appliance
gaseous reagent
treatment
fibrous material
wood pulp
Prior art date
Application number
BR919103446A
Other languages
English (en)
Portuguese (pt)
Inventor
Lawrence A Carlsmith
Original Assignee
Ingersoll Rand 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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of BR9103446A publication Critical patent/BR9103446A/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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Inorganic Fibers (AREA)
BR919103446A 1991-02-06 1991-08-12 Metodo e aparelho para o tratamento de material fibroso com um reagente gasoso,aparelho para o tratamento de material fibroso afofado com um reagente gasoso e aparelho para alvejar polpa de madeira com um reagente gasoso BR9103446A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65158691A 1991-02-06 1991-02-06

Publications (1)

Publication Number Publication Date
BR9103446A true BR9103446A (pt) 1992-09-29

Family

ID=24613432

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919103446A BR9103446A (pt) 1991-02-06 1991-08-12 Metodo e aparelho para o tratamento de material fibroso com um reagente gasoso,aparelho para o tratamento de material fibroso afofado com um reagente gasoso e aparelho para alvejar polpa de madeira com um reagente gasoso

Country Status (12)

Country Link
JP (1) JPH0657672A (de)
CN (1) CN1063915A (de)
AT (1) ATA139491A (de)
AU (1) AU646267B2 (de)
BR (1) BR9103446A (de)
CA (1) CA2046717A1 (de)
DE (1) DE4203131A1 (de)
ES (1) ES2050566B1 (de)
FI (1) FI913382L (de)
FR (1) FR2672314B1 (de)
IT (1) IT1250690B (de)
SE (1) SE9102209L (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, 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
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
DE69221385T2 (de) * 1991-05-24 1997-12-11 Union Camp Patent Holding, Inc., Wilmington, Del. Zweistufiger Reaktor zum Bleichen von Zellstoff und Verfahren zum Bleichen mit Ozon
WO1994015017A1 (en) * 1992-12-18 1994-07-07 Ingersoll-Rand Company Pulp and bleaching reagent mixer and method
US5810973A (en) * 1993-09-21 1998-09-22 Beloit Technologies, Inc. Apparatus for producing small particles from high consistency wood pulp
US5554259A (en) * 1993-10-01 1996-09-10 Union Camp Patent Holdings, Inc. Reduction of salt scale precipitation by control of process stream Ph and salt concentration
WO1996005365A1 (en) * 1994-08-11 1996-02-22 Beloit Technologies, Inc. Means for gas-sealingly conveying shredded pulp
AT402077B (de) * 1995-03-10 1997-01-27 Andritz Patentverwaltung Verfahren und vorrichtung zur behandlung, insbesondere bleichen, von faserstoff
DE69602269T2 (de) * 1995-07-26 1999-09-16 Beloit Technologies, Inc. Verfahren und vorrichtung zum zellstoffbleichen mit einem gasförmigen bleichmittel
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
DE10349120A1 (de) * 2003-10-22 2005-05-25 Voith Paper Patent Gmbh Maschine mit Zwangsfördereinrichtung zum Abführen von bei einem Vorhang-Auftragswerk abgegebenem Auftragsmedium in Betriebsunterbrechungsphasen
CN103439216B (zh) * 2013-07-22 2015-04-22 广东轻工职业技术学院 一种纸浆纤维悬浮液中气体含量测量装置
EP3712611B1 (de) * 2017-12-20 2024-10-30 Unicharm Corporation Verfahren zur herstellung einer recycling-zellstofffaser
CN114921989B (zh) * 2022-06-08 2024-08-23 浙江临安金洲纸业有限公司 一种造纸的纸浆疏解装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041233A (en) * 1957-12-17 1962-06-26 Kamyr Ab Method of introducing high density pulp into a pressure vessel
NO137651C (no) * 1975-10-31 1978-03-29 Myrens Verksted As Fremgangsmaate og apparat til kontinuerlig behandling av findelt fibermateriale eller celluloseholdig masse med gass uten overtrykk.
US4303470A (en) * 1979-06-15 1981-12-01 Weyerhaeuser Company Method and apparatus for mixing gases with a wood pulp slurry
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp
US4426256A (en) * 1982-03-09 1984-01-17 Myrens Verksted A/S Apparatus for treating fibrous material with a gas
CA1300322C (en) * 1987-06-08 1992-05-12 Derek Hornsey Method of bleaching or delignification of cellulose pulp with oxygen
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
EP0492040A1 (de) * 1990-12-21 1992-07-01 Kamyr, Inc. Drehender Ozonreaktor für Zellstoff
EP0492039A1 (de) * 1990-12-27 1992-07-01 Kamyr, Inc. Pneumatischer Reaktor zum Ozonbleichen von Zellstoff

Also Published As

Publication number Publication date
DE4203131A1 (de) 1992-08-13
AU8044191A (en) 1992-08-13
IT1250690B (it) 1995-04-21
ITMI912023A1 (it) 1993-01-22
CA2046717A1 (en) 1992-08-07
FI913382A0 (fi) 1991-07-12
SE9102209L (sv) 1992-08-07
JPH0657672A (ja) 1994-03-01
FI913382A7 (fi) 1992-08-07
ATA139491A (de) 1995-06-15
AU646267B2 (en) 1994-02-17
FR2672314A1 (fr) 1992-08-07
ES2050566A1 (es) 1994-05-16
FI913382L (fi) 1992-08-07
ITMI912023A0 (it) 1991-07-22
FR2672314B1 (fr) 1994-01-14
CN1063915A (zh) 1992-08-26
ES2050566B1 (es) 1994-12-01
SE9102209D0 (sv) 1991-07-19

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