DE69327999D1 - Rückgewinnung von sauerstoffreichem Gas aus Bleichverfahren mittels Ozon - Google Patents

Rückgewinnung von sauerstoffreichem Gas aus Bleichverfahren mittels Ozon

Info

Publication number
DE69327999D1
DE69327999D1 DE69327999T DE69327999T DE69327999D1 DE 69327999 D1 DE69327999 D1 DE 69327999D1 DE 69327999 T DE69327999 T DE 69327999T DE 69327999 T DE69327999 T DE 69327999T DE 69327999 D1 DE69327999 D1 DE 69327999D1
Authority
DE
Germany
Prior art keywords
ozone
recovery
oxygen
rich gas
bleaching processes
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69327999T
Other languages
English (en)
Other versions
DE69327999T2 (de
Inventor
Derek Hornsey
Gordon H Homer
John R Ayton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide Canada Inc
Original Assignee
Air Liquide Canada 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
Application filed by Air Liquide Canada Inc filed Critical Air Liquide Canada Inc
Publication of DE69327999D1 publication Critical patent/DE69327999D1/de
Application granted granted Critical
Publication of DE69327999T2 publication Critical patent/DE69327999T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C01B13/0229—Purification or separation processes
    • C01B13/0248—Physical processing only
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C01B13/0203—Preparation of oxygen from inorganic compounds
    • C01B13/0211—Peroxy 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00—Purification or separation of specific gases
    • C01B2210/0043—Impurity removed
    • C01B2210/0046—Nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
DE69327999T 1992-09-15 1993-09-14 Rückgewinnung von sauerstoffreichem Gas aus Bleichverfahren mittels Ozon Expired - Fee Related DE69327999T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002078276A CA2078276C (en) 1992-09-15 1992-09-15 Recovery of oxygen-rich gas from ozone bleaching processes

Publications (2)

Publication Number Publication Date
DE69327999D1 true DE69327999D1 (de) 2000-04-13
DE69327999T2 DE69327999T2 (de) 2000-08-17

Family

ID=4150411

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69327999T Expired - Fee Related DE69327999T2 (de) 1992-09-15 1993-09-14 Rückgewinnung von sauerstoffreichem Gas aus Bleichverfahren mittels Ozon
DE69332725T Expired - Fee Related DE69332725T2 (de) 1992-09-15 1993-09-14 Rückgewinnung von sauerstoffreichem Gas aus Bleichverfahren mittels Ozon

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69332725T Expired - Fee Related DE69332725T2 (de) 1992-09-15 1993-09-14 Rückgewinnung von sauerstoffreichem Gas aus Bleichverfahren mittels Ozon

Country Status (8)

Country Link
US (1) US5688367A (de)
EP (2) EP0588704B1 (de)
JP (1) JP3447773B2 (de)
CA (1) CA2078276C (de)
DE (2) DE69327999T2 (de)
ES (2) ES2193621T3 (de)
FI (1) FI934014A (de)
PT (2) PT588704E (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE516030C2 (sv) * 1994-11-14 2001-11-12 Aga Ab Regenerering av en gasblandning från ett ozonbleksteg
US5695604A (en) * 1996-08-05 1997-12-09 Beloit Technologies, Inc. Method for reprocessing an ozone-containing gas present in a pulp bleaching plant
DE69604809T2 (de) * 1995-08-07 2000-05-11 Beloit Technologies Inc Verfahren zum wiederaufbereiten von einem ozonenthaltenden gas in einer anlage zum zellstoffbleichen
US6773547B2 (en) * 1998-05-08 2004-08-10 American Air Liquide, Inc. Process for the bleaching of low consistency pulp using high partial pressure ozone
US6579412B2 (en) * 1998-05-08 2003-06-17 L'air Liquide - Societe' Anonyme A' Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for ozone bleaching of low consistency pulp
SE0003391L (sv) * 2000-09-22 2002-03-23 Metso Paper Inc Blekningsförfarande samt system därför
ATE392272T1 (de) * 2001-11-13 2008-05-15 Loedige Maschbau Gmbh Geb Verfahren zur oxidativen behandlung von schüttgütern
US6916359B2 (en) * 2002-04-25 2005-07-12 The Boc Group, Inc. Ozone production processes
US20070284245A1 (en) * 2006-06-13 2007-12-13 Hegel Rudolph R Water treatment system
US20100108274A1 (en) 2007-03-07 2010-05-06 Akira Ako Disposal process for sulfide-free black liquors
WO2009138090A2 (en) * 2008-05-14 2009-11-19 Rådet For Agroindustri A process for the production of hydrolysed plant material
DE102011011960A1 (de) 2011-02-22 2012-08-23 Messer Austria Gmbh Verfahren und Aufbereitung einer Faserstoffsuspension
DE102020002445A1 (de) * 2020-04-23 2021-10-28 Messer Austria Gmbh Verfahren und Vorrichtung zur Herstellung von gebleichtem Zellstoff

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE333299B (sv) * 1967-11-10 1971-03-08 Sunds Ab Foerfarande vid och anordning foer blekning av foeretraedesvis cellulosamassa med gasformigt blekmedel
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
AU636173B2 (en) * 1989-10-30 1993-04-22 Lenzing Aktiengesellschaft Method for the chlorine-free bleaching of pulps
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5087326A (en) * 1991-02-20 1992-02-11 Union Camp Patent Holding, Inc. Rotating pulp bleaching reactor having inner and outer shells and lifting means on the interior surface of the inner shell
US5411633A (en) * 1991-04-30 1995-05-02 Kamyr, Inc. Medium consistency pulp ozone bleaching
ZA924351B (en) * 1991-06-27 1993-03-31 Ahlstroem Oy Ozone bleaching process
US6126781A (en) * 1991-08-01 2000-10-03 Union Camp Patent Holding, Inc. Process for conditioning ozone gas recycle stream in ozone pulp bleaching
CA2089516A1 (en) * 1992-02-21 1993-08-22 Kaj Henricson Chlorine free pulping and bleaching sequence
CA2107764A1 (en) * 1992-03-02 1993-09-16 Lawrence A. Hinkey Combined ozone destruction and fiber scrubbing in paper pulp mills

Also Published As

Publication number Publication date
EP0588704A3 (en) 1995-12-06
DE69332725T2 (de) 2004-02-05
JP3447773B2 (ja) 2003-09-16
DE69327999T2 (de) 2000-08-17
DE69332725D1 (de) 2003-04-03
CA2078276C (en) 2004-05-25
JPH06184974A (ja) 1994-07-05
PT588704E (pt) 2000-07-31
FI934014A (fi) 1994-03-16
ES2144448T3 (es) 2000-06-16
FI934014A0 (fi) 1993-09-14
EP0588704A2 (de) 1994-03-23
EP0588704B1 (de) 2000-03-08
CA2078276A1 (en) 1994-03-16
EP0971066A1 (de) 2000-01-12
PT971066E (pt) 2003-07-31
ES2193621T3 (es) 2003-11-01
EP0971066B1 (de) 2003-02-26
US5688367A (en) 1997-11-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee