BR8305348A - Aparelho e processo aperfeicoados para a deslignificacao continua, com oxigenio, de materiais fibrosos - Google Patents

Aparelho e processo aperfeicoados para a deslignificacao continua, com oxigenio, de materiais fibrosos

Info

Publication number
BR8305348A
BR8305348A BR8305348A BR8305348A BR8305348A BR 8305348 A BR8305348 A BR 8305348A BR 8305348 A BR8305348 A BR 8305348A BR 8305348 A BR8305348 A BR 8305348A BR 8305348 A BR8305348 A BR 8305348A
Authority
BR
Brazil
Prior art keywords
designification
perfect
appliance
oxygen
continuous
Prior art date
Application number
BR8305348A
Other languages
English (en)
Inventor
Vicent Louis Magnotta
Larry Derwood Markham
Original Assignee
Black Clawson Co
Air Prod & Chem
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, Air Prod & Chem filed Critical Black Clawson Co
Publication of BR8305348A publication Critical patent/BR8305348A/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
    • 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)
  • Treatment Of Fiber Materials (AREA)
  • Detergent Compositions (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
BR8305348A 1982-09-30 1983-09-29 Aparelho e processo aperfeicoados para a deslignificacao continua, com oxigenio, de materiais fibrosos BR8305348A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43148682A 1982-09-30 1982-09-30

Publications (1)

Publication Number Publication Date
BR8305348A true BR8305348A (pt) 1984-05-08

Family

ID=23712154

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8305348A BR8305348A (pt) 1982-09-30 1983-09-29 Aparelho e processo aperfeicoados para a deslignificacao continua, com oxigenio, de materiais fibrosos

Country Status (9)

Country Link
EP (1) EP0106460A1 (pt)
JP (1) JPS5982488A (pt)
KR (1) KR840005846A (pt)
BR (1) BR8305348A (pt)
CA (1) CA1213104A (pt)
ES (1) ES8504999A1 (pt)
FI (1) FI833514A (pt)
NO (1) NO833033L (pt)
ZA (1) ZA835925B (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1262722A (en) * 1984-06-20 1989-11-07 Lawrence Marvin Litz Process for dispersing one fluid in another
JPS61137696U (pt) * 1985-02-13 1986-08-27
AU595842B2 (en) * 1985-11-15 1990-04-12 Canadian Liquid Air Ltd. Pulp bleaching
CA1300322C (en) * 1987-06-08 1992-05-12 Derek Hornsey Method of bleaching or delignification of cellulose pulp with oxygen
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
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
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
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
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
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
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
NZ242792A (en) * 1991-05-24 1993-12-23 Union Camp Patent Holding Two-stage pulp bleaching reactor: pulp mixed with ozone in first stage.
SE469398B (sv) * 1991-11-06 1993-06-28 Sunds Defibrator Ind Ab Uppvaermningsanordning foer exempelvis cellulosamassa daer aanga tillfoeres genom ett flertal, skruvlinjeformigt placerade, haal i en transportledningsvaegg
DE102008000256A1 (de) * 2008-02-08 2009-08-13 Voith Patent Gmbh Misch- und Verdünnungsanordnung
DE102008000258A1 (de) * 2008-02-08 2009-08-13 Voith Patent Gmbh Mischanordnung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2000953A (en) * 1933-10-30 1935-05-14 Hooker Electrochemical Co Means for reacting semifluid materials
US4161421A (en) * 1977-09-13 1979-07-17 Kamyr, Inc. Method and apparatus for continuous oxygen bleaching of cellulosic pulp

Also Published As

Publication number Publication date
NO833033L (no) 1984-04-02
FI833514A (fi) 1984-03-31
EP0106460A1 (en) 1984-04-25
KR840005846A (ko) 1984-11-19
ZA835925B (en) 1984-04-25
CA1213104A (en) 1986-10-28
ES526161A0 (es) 1985-05-01
JPS5982488A (ja) 1984-05-12
ES8504999A1 (es) 1985-05-01
FI833514A0 (fi) 1983-09-29

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