SE368045B - - Google Patents

Info

Publication number
SE368045B
SE368045B SE14761/70A SE1476170A SE368045B SE 368045 B SE368045 B SE 368045B SE 14761/70 A SE14761/70 A SE 14761/70A SE 1476170 A SE1476170 A SE 1476170A SE 368045 B SE368045 B SE 368045B
Authority
SE
Sweden
Application number
SE14761/70A
Inventor
Montigny R De
N Liebergott
D Pounds
Original Assignee
Pulp Paper Res Inst
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 Pulp Paper Res Inst filed Critical Pulp Paper Res Inst
Publication of SE368045B publication Critical patent/SE368045B/xx

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE14761/70A 1969-11-26 1970-11-02 SE368045B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA68411 1969-11-26

Publications (1)

Publication Number Publication Date
SE368045B true SE368045B (xx) 1974-06-17

Family

ID=4085988

Family Applications (1)

Application Number Title Priority Date Filing Date
SE14761/70A SE368045B (xx) 1969-11-26 1970-11-02

Country Status (5)

Country Link
US (1) US3725193A (xx)
JP (1) JPS5111681B1 (xx)
CA (1) CA902859A (xx)
FI (1) FI52879C (xx)
SE (1) SE368045B (xx)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE359332B (xx) * 1971-12-20 1973-08-27 Reinhall Rolf
US3966542A (en) * 1974-09-20 1976-06-29 General Signal Corporation Multi-stage bleaching of pulp using successively lower power levels
SE389351B (sv) * 1975-03-14 1976-11-01 Kamyr Ab Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration.
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
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
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
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
US5441603A (en) * 1990-05-17 1995-08-15 Union Camp Patent Holding, Inc. Method for chelation of pulp prior to ozone delignification
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164044A (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.
DE69223997T2 (de) * 1991-08-23 1998-05-07 Olin Corp Verfahren zur gasphase-delignifizierung von zellstoff
ZA93224B (en) * 1992-01-22 1993-08-18 Olin Corp Gas phase delignification of lignocellulosic material.
JPH08502327A (ja) * 1992-10-01 1996-03-12 ユニオン キャムプ パテント ホールディング インコーポレーテッド 高コンシステンシーリグノセルロースパルプの改良された漂白
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
SE501894C2 (sv) * 1993-10-13 1995-06-12 Kvaerner Pulping Tech Förfarande och anordning för inmixning av fluid i en massasuspension
US5630909A (en) * 1994-11-07 1997-05-20 Beloit Technologies, Inc. Pulp fluffing gas contactor
US5562806A (en) * 1995-03-03 1996-10-08 Beloit Technologies, Inc. Variable angle powered cyclone
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
EP1158088A3 (de) * 2000-05-26 2003-01-22 Voith Paper Patent GmbH Verfahren und Vorrichtung zur Behandlung einer Faserstoffsuspension
CN101058949B (zh) * 2007-05-22 2012-02-08 李风宁 圆筒疏解机

Also Published As

Publication number Publication date
FI52879B (xx) 1977-08-31
JPS5111681B1 (xx) 1976-04-13
FI52879C (fi) 1977-12-12
CA902859A (en) 1972-06-20
US3725193A (en) 1973-04-03

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