BR8904225A - Processo de circuito fechado para o tratamento do efluente aquoso derivado de um processo de alvejamento de polpa com cloro ou composto de cloro - Google Patents

Processo de circuito fechado para o tratamento do efluente aquoso derivado de um processo de alvejamento de polpa com cloro ou composto de cloro

Info

Publication number
BR8904225A
BR8904225A BR898904225A BR8904225A BR8904225A BR 8904225 A BR8904225 A BR 8904225A BR 898904225 A BR898904225 A BR 898904225A BR 8904225 A BR8904225 A BR 8904225A BR 8904225 A BR8904225 A BR 8904225A
Authority
BR
Brazil
Prior art keywords
chlorine
wheating
waterwater
pulley
treatment
Prior art date
Application number
BR898904225A
Other languages
English (en)
Inventor
Christopher John Davies
Volkmar Johann Bohmer
Michael Duncan Birkett
Original Assignee
Sappi Ltd
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 Sappi Ltd filed Critical Sappi Ltd
Publication of BR8904225A publication Critical patent/BR8904225A/pt

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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR898904225A 1988-08-23 1989-08-23 Processo de circuito fechado para o tratamento do efluente aquoso derivado de um processo de alvejamento de polpa com cloro ou composto de cloro BR8904225A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA886237 1988-08-23

Publications (1)

Publication Number Publication Date
BR8904225A true BR8904225A (pt) 1990-04-10

Family

ID=25579381

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898904225A BR8904225A (pt) 1988-08-23 1989-08-23 Processo de circuito fechado para o tratamento do efluente aquoso derivado de um processo de alvejamento de polpa com cloro ou composto de cloro

Country Status (10)

Country Link
US (1) US5127992A (pt)
EP (1) EP0356203A3 (pt)
JP (1) JPH02154089A (pt)
AR (1) AR243138A1 (pt)
AU (1) AU619580B2 (pt)
BR (1) BR8904225A (pt)
FI (1) FI893844A (pt)
NO (1) NO893297L (pt)
NZ (1) NZ230326A (pt)
PT (1) PT91508A (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI85293C (sv) * 1990-05-04 1992-03-25 Poeyry Jaakko & Co Oy Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten
US5374333A (en) * 1992-07-30 1994-12-20 Kamyr, Inc. Method for minimizing pulp mill effluents
SE9303766L (sv) * 1993-11-15 1995-05-16 Eka Nobel Ab Förfarande för rening och återföring i kretslopp av lösningar
US5529697A (en) * 1994-07-20 1996-06-25 The University Of Southern Mississippi Process for color removal from paper mill wastewaters
CA2208269A1 (en) * 1994-08-31 1996-03-07 The Hoffman Group Ltd. Method of papermaking having zero liquid discharge
EP0784721A1 (en) * 1994-10-05 1997-07-23 Eka Chemicals AB A method for treating acid and alkaline waste streams from a bleach plant separately
US6752903B2 (en) * 2001-07-27 2004-06-22 Craig A. Bianchini Method for mitigating the interference caused by high-molecular weight by-products in pulping processes
FI122241B (fi) * 2007-06-15 2011-10-31 Andritz Oy Menetelmä massan pesun yhteydessä sellutehtaalla
FI20080298L (fi) * 2007-06-15 2009-10-22 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi ja käyttämiseksi sellutehtaalla
DE102007054207A1 (de) * 2007-11-12 2009-05-14 Voith Patent Gmbh Zweistufiges Verfahren zur Chemikalien-Rückgewinnung aus Abwasser
DE102007054210A1 (de) * 2007-11-12 2009-05-14 Voith Patent Gmbh Verfahren zur Herstellung von Faserstoffen unter Verwendung von aufbereitetem Abwasser
FI126551B (fi) * 2009-11-25 2017-02-15 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
CN103842050A (zh) * 2011-10-06 2014-06-04 Spx冷却技术公司 固体制造冷却塔
FI126563B (en) * 2012-03-12 2017-02-15 Upm Kymmene Corp A method and system for treating fluid flows at a pulp mill

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943481B1 (pt) * 1971-06-14 1974-11-21
US3758405A (en) * 1971-11-03 1973-09-11 Plywood Champion Papers Inc Color removal from kraft mill aqueous effluents
JPS5112724B2 (pt) * 1974-02-23 1976-04-22
US4058458A (en) * 1975-12-05 1977-11-15 Nalco Chemical Company Removal of color from paper mill waste waters
JPS5454383A (en) * 1977-10-07 1979-04-28 Fuji Photo Film Co Ltd Cutting method and apparatus for cutting web plate at fixed length
US4259149A (en) * 1978-05-03 1981-03-31 Hooker Chemicals & Plastics Corp. Method of reducing waste stream pollutants by the control and separation of waste contaminants from a multi-stage cellulosic bleaching sequence
SE414411B (sv) * 1978-10-25 1980-07-28 Eka Ab Sett att rena utslepp fran blekerier med ultrafiltrering

Also Published As

Publication number Publication date
AU3991189A (en) 1990-03-01
US5127992A (en) 1992-07-07
AR243138A1 (es) 1993-07-30
NO893297D0 (no) 1989-08-16
NO893297L (no) 1990-02-26
NZ230326A (en) 1991-06-25
EP0356203A3 (en) 1991-04-03
FI893844A (fi) 1990-02-24
PT91508A (pt) 1990-03-08
AU619580B2 (en) 1992-01-30
JPH02154089A (ja) 1990-06-13
FI893844A0 (fi) 1989-08-15
EP0356203A2 (en) 1990-02-28

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Legal Events

Date Code Title Description
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FA4 Application deemed withdrawn (art. 21(1))