SE9403818L - Sätt vid ozonblekning - Google Patents

Sätt vid ozonblekning

Info

Publication number
SE9403818L
SE9403818L SE9403818A SE9403818A SE9403818L SE 9403818 L SE9403818 L SE 9403818L SE 9403818 A SE9403818 A SE 9403818A SE 9403818 A SE9403818 A SE 9403818A SE 9403818 L SE9403818 L SE 9403818L
Authority
SE
Sweden
Prior art keywords
ozone
pulp
content
residual gas
paper
Prior art date
Application number
SE9403818A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Other versions
SE9403818D0 (sv
Inventor
Anders Wernqvist
Haakan Dahlloef
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Priority to SE9403818A priority Critical patent/SE9403818L/
Publication of SE9403818D0 publication Critical patent/SE9403818D0/xx
Priority to AT95938081T priority patent/ATE203292T1/de
Priority to EP95938081A priority patent/EP0791101B1/de
Priority to PCT/SE1995/001207 priority patent/WO1996014464A1/en
Priority to DE69521809T priority patent/DE69521809T2/de
Priority to AU38842/95A priority patent/AU3884295A/en
Publication of SE9403818L publication Critical patent/SE9403818L/

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
    • D21C11/08—Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
    • 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)
  • Treating Waste Gases (AREA)
SE9403818A 1994-11-08 1994-11-08 Sätt vid ozonblekning SE9403818L (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9403818A SE9403818L (sv) 1994-11-08 1994-11-08 Sätt vid ozonblekning
AT95938081T ATE203292T1 (de) 1994-11-08 1995-10-17 Geruchsbehandlung von übelriechenden kondensaten mit ozon-enthaltenden restgasen
EP95938081A EP0791101B1 (de) 1994-11-08 1995-10-17 Geruchsbehandlung von übelriechenden kondensaten mit ozon-enthaltenden restgasen
PCT/SE1995/001207 WO1996014464A1 (en) 1994-11-08 1995-10-17 Odour treatment of malodorous condensates with ozone-containing residual gas
DE69521809T DE69521809T2 (de) 1994-11-08 1995-10-17 Geruchsbehandlung von übelriechenden kondensaten mit ozon-enthaltenden restgasen
AU38842/95A AU3884295A (en) 1994-11-08 1995-10-17 Odour treatment of malodorous condensates with ozone-containing residual gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9403818A SE9403818L (sv) 1994-11-08 1994-11-08 Sätt vid ozonblekning

Publications (2)

Publication Number Publication Date
SE9403818D0 SE9403818D0 (sv) 1994-11-08
SE9403818L true SE9403818L (sv) 1996-05-09

Family

ID=20395879

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403818A SE9403818L (sv) 1994-11-08 1994-11-08 Sätt vid ozonblekning

Country Status (6)

Country Link
EP (1) EP0791101B1 (de)
AT (1) ATE203292T1 (de)
AU (1) AU3884295A (de)
DE (1) DE69521809T2 (de)
SE (1) SE9403818L (de)
WO (1) WO1996014464A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6348129B1 (en) * 2000-04-28 2002-02-19 Praxair Technology Inc Treatment of pulp mill condensate with ozone
TW590789B (en) 2001-09-14 2004-06-11 Ind Tech Res Inst Method of treating an air stream containing VOCs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO150971C (no) * 1981-04-10 1985-01-23 Papirind Forskningsinst Fremgangsmaate ved rensning av kondensater fra sulfatprosessen
SE9200183L (sv) * 1992-01-23 1993-07-24 Kamyr Ab Avskiljningsanordning samt foerfarande
WO1993018226A1 (en) * 1992-03-02 1993-09-16 Kamyr, Inc. Combined ozone destruction and fiber scrubbing in paper pulp mills

Also Published As

Publication number Publication date
SE9403818D0 (sv) 1994-11-08
DE69521809T2 (de) 2002-04-04
ATE203292T1 (de) 2001-08-15
WO1996014464A1 (en) 1996-05-17
EP0791101A1 (de) 1997-08-27
EP0791101B1 (de) 2001-07-18
DE69521809D1 (de) 2001-08-23
AU3884295A (en) 1996-05-31

Similar Documents

Publication Publication Date Title
DE69213208D1 (de) Integriertes Altpapieraufschlussverfahren zur Herstellung von Fasern für Seidenpapier
WO1994023118A3 (en) Bleaching recycled pulp with a reductive-oxidative sequence
DE59007341D1 (de) Verfahren zum chlorfreien Bleichen von Zellstoff.
MXPA04005021A (es) Proceso de fabricacion del papel y productos que utilizan sedimento tratado con enzima.
ATE132926T1 (de) Verfahren zur delignifizierung von chemischen zellstoffen
NO920248L (no) Enzymatisk behandling av en kjemisk lignocellulosemasse
FI961974A0 (fi) Epäorgaanisten pigmenttien käsittely karboksimetyyliselluloosayhdisteillä
SE9403818D0 (sv) Sätt vid ozonblekning
SE9500376L (sv) Förfarande vid behandling av kondensat
FI99152B (fi) Vetyperoksidilla tehostettu happidelignifiointi
WO1994023117A3 (en) Bleaching recycled pulp with ozone and hydrogen peroxide
ATE136077T1 (de) Verfahren zur herstellung von papier
ES2038954A6 (es) Metodo para blanquear pasta de papel.
CA2429022A1 (en) Method and apparatus for treating pulp with filler
ES2101830T3 (es) Proceso de reduccion a pasta en la fabricacion de papel.
ATE210217T1 (de) Verfahren zur erhöhung des weissgrades von aus altpapier gewonnenem papierfaserstoff
SE9401628L (sv) Förfarande vid syrgasdelignifiering
SE0002930D0 (sv) Blekning av massa
SE9402726D0 (sv) Sätt vid massablekning
SE9403912L (sv) Sätt vid behandling av cellulosamassa
SE9300277D0 (sv) Klorfri massablekning
SE9603630D0 (sv) Förfarande för blekning av massa
AU6695896A (en) Process for regeneration of an aqueous process liquid of the amine-oxide process
FI905380A (fi) Foerfarande foer behandling av alkaliloesning.
SE9604511L (sv) Förfarande för blekning av kraftmassa

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 9403818-9