ATE185857T1 - Verfahren zum wiederaufbereiten von einem ozonenthaltenden gas in einer anlage zum zellstoffbleichen - Google Patents

Verfahren zum wiederaufbereiten von einem ozonenthaltenden gas in einer anlage zum zellstoffbleichen

Info

Publication number
ATE185857T1
ATE185857T1 AT96927319T AT96927319T ATE185857T1 AT E185857 T1 ATE185857 T1 AT E185857T1 AT 96927319 T AT96927319 T AT 96927319T AT 96927319 T AT96927319 T AT 96927319T AT E185857 T1 ATE185857 T1 AT E185857T1
Authority
AT
Austria
Prior art keywords
ozone
gas
scrubber
containing gas
alkaline medium
Prior art date
Application number
AT96927319T
Other languages
English (en)
Inventor
Jeffrey Rounsaville
Shusuke Minami
Original Assignee
Beloit Technologies 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
Priority claimed from US08/693,919 external-priority patent/US5695604A/en
Application filed by Beloit Technologies Inc filed Critical Beloit Technologies Inc
Application granted granted Critical
Publication of ATE185857T1 publication Critical patent/ATE185857T1/de

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Treating Waste Gases (AREA)
AT96927319T 1995-08-07 1996-08-06 Verfahren zum wiederaufbereiten von einem ozonenthaltenden gas in einer anlage zum zellstoffbleichen ATE185857T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US194595P 1995-08-07 1995-08-07
US08/693,919 US5695604A (en) 1996-08-05 1996-08-05 Method for reprocessing an ozone-containing gas present in a pulp bleaching plant

Publications (1)

Publication Number Publication Date
ATE185857T1 true ATE185857T1 (de) 1999-11-15

Family

ID=26669715

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96927319T ATE185857T1 (de) 1995-08-07 1996-08-06 Verfahren zum wiederaufbereiten von einem ozonenthaltenden gas in einer anlage zum zellstoffbleichen

Country Status (10)

Country Link
EP (1) EP0843757B1 (de)
JP (1) JPH10510469A (de)
CN (1) CN1198786A (de)
AT (1) ATE185857T1 (de)
BR (1) BR9609907A (de)
CA (1) CA2229046A1 (de)
DE (2) DE69604809T2 (de)
ES (1) ES2116952T3 (de)
PT (1) PT843757E (de)
WO (1) WO1997006305A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008105132A1 (ja) * 2007-02-27 2008-09-04 Shigenori Aono 漂白繊維品の製法およびそれに用いる装置、並びにそれによって得られる漂白繊維品
WO2008105108A1 (ja) 2007-02-27 2008-09-04 Shigenori Aono 漂白繊維品の製法およびそれに用いる装置、並びにそれによって得られる漂白繊維品
US20100108274A1 (en) 2007-03-07 2010-05-06 Akira Ako Disposal process for sulfide-free black liquors
FI20080008L (fi) * 2008-01-08 2009-07-09 Andritz Oy Otsonipitoisen kaasun käsittely massan valkaisun yhteydessä

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6126781A (en) * 1991-08-01 2000-10-03 Union Camp Patent Holding, Inc. Process for conditioning ozone gas recycle stream in ozone pulp bleaching
CA2107764A1 (en) * 1992-03-02 1993-09-16 Lawrence A. Hinkey Combined ozone destruction and fiber scrubbing in paper pulp mills
CA2078276C (en) * 1992-09-15 2004-05-25 Derek Hornsey Recovery of oxygen-rich gas from ozone bleaching processes
US5403441A (en) * 1992-11-13 1995-04-04 Union Camp Patent Holding, Inc. Method for controlling an ozone bleaching process

Also Published As

Publication number Publication date
CN1198786A (zh) 1998-11-11
PT843757E (pt) 2000-04-28
DE69604809T2 (de) 2000-05-11
BR9609907A (pt) 1999-03-30
WO1997006305A1 (en) 1997-02-20
DE69604809D1 (de) 1999-11-25
CA2229046A1 (en) 1997-02-20
ES2116952T1 (es) 1998-08-01
JPH10510469A (ja) 1998-10-13
EP0843757A1 (de) 1998-05-27
EP0843757B1 (de) 1999-10-20
ES2116952T3 (es) 2000-02-01
DE843757T1 (de) 1998-11-12

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee