FI953117A0 - Förfarande för framställning av klordioxid - Google Patents

Förfarande för framställning av klordioxid

Info

Publication number
FI953117A0
FI953117A0 FI953117A FI953117A FI953117A0 FI 953117 A0 FI953117 A0 FI 953117A0 FI 953117 A FI953117 A FI 953117A FI 953117 A FI953117 A FI 953117A FI 953117 A0 FI953117 A0 FI 953117A0
Authority
FI
Finland
Prior art keywords
production
chlorine dioxide
chlorine
dioxide
Prior art date
Application number
FI953117A
Other languages
English (en)
Finnish (fi)
Other versions
FI953117A (sv
Inventor
Hans Lindberg
Original Assignee
Kamyr 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 Kamyr Inc filed Critical Kamyr Inc
Publication of FI953117A publication Critical patent/FI953117A/sv
Publication of FI953117A0 publication Critical patent/FI953117A0/sv

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
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/02—Oxides of chlorine
    • C01B11/022—Chlorine dioxide (ClO2)
    • C01B11/023—Preparation from chlorites or chlorates
    • C01B11/025—Preparation from chlorites or chlorates from chlorates without any other reaction reducing agent than chloride ions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/12—Chloric acid
    • C01B11/14—Chlorates
    • 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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/08—Chlorine-containing liquid regeneration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/08—Corrosion or deposition inhibiting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Paper (AREA)
FI953117A 1992-12-23 1995-06-21 Förfarande för framställning av klordioxid FI953117A0 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/997,306 US5300191A (en) 1992-07-30 1992-12-23 Chlorine dioxide generation for a zero discharge pulp mill
PCT/US1993/011054 WO1994015020A1 (en) 1992-12-23 1993-11-16 Chlorine dioxide generation for a zero discharge pulp mill

Publications (2)

Publication Number Publication Date
FI953117A FI953117A (sv) 1995-06-21
FI953117A0 true FI953117A0 (sv) 1995-06-21

Family

ID=25543862

Family Applications (1)

Application Number Title Priority Date Filing Date
FI953117A FI953117A0 (sv) 1992-12-23 1995-06-21 Förfarande för framställning av klordioxid

Country Status (7)

Country Link
US (1) US5300191A (sv)
EP (1) EP0675981A1 (sv)
CA (1) CA2151172A1 (sv)
FI (1) FI953117A0 (sv)
MX (1) MX9307830A (sv)
WO (1) WO1994015020A1 (sv)
ZA (1) ZA939611B (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5938892A (en) * 1991-01-28 1999-08-17 Champion International Corporation Process for recycling bleach plant filtrate
US5853535A (en) * 1991-01-28 1998-12-29 Champion International Corporation Process for manufacturing bleached pulp including recycling
US5439555A (en) * 1992-07-30 1995-08-08 Kamyr, Inc. Minimum adverse environmental pulp with feed to chlorate manufacture
US5302246A (en) * 1992-07-30 1994-04-12 Kamyr, Inc. Method of managing liquid steams in a pulp mill
WO1996014466A1 (en) * 1994-11-04 1996-05-17 Kvaerner Pulping Ab Method for complete combustion of bleach plant waste liquors
JP4901094B2 (ja) * 2004-11-30 2012-03-21 株式会社Ｓｅｎ ビーム照射装置
WO2008129117A1 (en) * 2007-04-23 2008-10-30 Andritz Oy A recovery process for a pulp mill
FI122246B (sv) * 2007-06-15 2011-10-31 Andritz Oy Förfarande för behandling av massa på en massafabrik
US8246779B2 (en) * 2009-09-24 2012-08-21 Noram Engineering And Constructors Ltd. Maintenance of sulfur concentration in Kraft pulp processes
FI129150B (sv) * 2017-09-25 2021-08-13 Andritz Oy Förfarande för optimering av kemikaliebalansen på en cellulosfabrik

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510716B2 (sv) * 1971-11-02 1980-03-18
FI71354C (fi) * 1980-03-03 1986-12-19 Asahi Chemical Ind Foerfarande foer framstaellning av natriumklorat
CA1242306A (en) * 1984-07-30 1988-09-27 Tenneco Canada Inc. Acid recovery in chlorine dioxide generation
FI77064C (sv) * 1985-04-29 1989-01-10 Tampella Oy Ab Förfarande för kokning och blekning av cellulosa
SE8804251D0 (sv) * 1988-11-24 1988-11-24 Alby Klorat Ab Saett att framstaella klordioxid
FI85293C (sv) * 1990-05-04 1992-03-25 Poeyry Jaakko & Co Oy Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten
US5116595A (en) * 1991-04-22 1992-05-26 Tenneco Canada Inc. Metathesis of acidic by-product of chlorine dioxide generating process

Also Published As

Publication number Publication date
FI953117A (sv) 1995-06-21
WO1994015020A1 (en) 1994-07-07
CA2151172A1 (en) 1994-07-07
MX9307830A (es) 1994-06-30
US5300191A (en) 1994-04-05
ZA939611B (en) 1994-08-11
EP0675981A1 (en) 1995-10-11

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