ATE203292T1 - ODOR TREATMENT OF ODOR-SMELLING CONDENSATE WITH RESIDUAL GASES CONTAINING OZONE - Google Patents

ODOR TREATMENT OF ODOR-SMELLING CONDENSATE WITH RESIDUAL GASES CONTAINING OZONE

Info

Publication number
ATE203292T1
ATE203292T1 AT95938081T AT95938081T ATE203292T1 AT E203292 T1 ATE203292 T1 AT E203292T1 AT 95938081 T AT95938081 T AT 95938081T AT 95938081 T AT95938081 T AT 95938081T AT E203292 T1 ATE203292 T1 AT E203292T1
Authority
AT
Austria
Prior art keywords
odor
smelling
condensate
ozone
gases containing
Prior art date
Application number
AT95938081T
Other languages
German (de)
Inventor
Anders Wernqvist
Hakan 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
Application granted granted Critical
Publication of ATE203292T1 publication Critical patent/ATE203292T1/en

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)

Abstract

Method associated with bleaching chemical paper pulp, in which a pulp suspension is brought into contact with an ozone-containing gas, after which a residual gas (6), having a partially remaining ozone content, is separated off from the pulp suspension. The ozone-containing residual gas is subsequently utilized for odour treatment of malodorous condensates (8), with relatively low COD-content, which are obtained when producing paper or paper pulp.
AT95938081T 1994-11-08 1995-10-17 ODOR TREATMENT OF ODOR-SMELLING CONDENSATE WITH RESIDUAL GASES CONTAINING OZONE ATE203292T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9403818A SE9403818L (en) 1994-11-08 1994-11-08 Method of ozone bleaching
PCT/SE1995/001207 WO1996014464A1 (en) 1994-11-08 1995-10-17 Odour treatment of malodorous condensates with ozone-containing residual gas

Publications (1)

Publication Number Publication Date
ATE203292T1 true ATE203292T1 (en) 2001-08-15

Family

ID=20395879

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95938081T ATE203292T1 (en) 1994-11-08 1995-10-17 ODOR TREATMENT OF ODOR-SMELLING CONDENSATE WITH RESIDUAL GASES CONTAINING OZONE

Country Status (6)

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

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 (en) * 1981-04-10 1985-01-23 Papirind Forskningsinst PROCEDURE FOR CLEANING OF CONDENSATIVES FROM THE SULPHATE PROCESS
SE9200183L (en) * 1992-01-23 1993-07-24 Kamyr Ab SEPARATORY DEVICE AND PROCEDURE
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
AU3884295A (en) 1996-05-31
SE9403818L (en) 1996-05-09
EP0791101A1 (en) 1997-08-27
SE9403818D0 (en) 1994-11-08
DE69521809D1 (en) 2001-08-23
EP0791101B1 (en) 2001-07-18
WO1996014464A1 (en) 1996-05-17
DE69521809T2 (en) 2002-04-04

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