CA2041536C - Methode de traitement et de recyclage des effluents contenant des produits chimiques de blanchiment pour la fabrication des pates - Google Patents

Methode de traitement et de recyclage des effluents contenant des produits chimiques de blanchiment pour la fabrication des pates

Info

Publication number
CA2041536C
CA2041536C CA 2041536 CA2041536A CA2041536C CA 2041536 C CA2041536 C CA 2041536C CA 2041536 CA2041536 CA 2041536 CA 2041536 A CA2041536 A CA 2041536A CA 2041536 C CA2041536 C CA 2041536C
Authority
CA
Canada
Prior art keywords
bleach
pulp
stage
chlorine
evaporation
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
CA 2041536
Other languages
English (en)
Other versions
CA2041536A1 (fr
Inventor
Bertel Myreen
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.)
Jaakko Poyry Oy
Original Assignee
Jaakko Poyry Oy
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 Jaakko Poyry Oy filed Critical Jaakko Poyry Oy
Publication of CA2041536A1 publication Critical patent/CA2041536A1/fr
Application granted granted Critical
Publication of CA2041536C publication Critical patent/CA2041536C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21C11/10—Concentrating spent liquor by evaporation

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA 2041536 1990-05-04 1991-04-30 Methode de traitement et de recyclage des effluents contenant des produits chimiques de blanchiment pour la fabrication des pates Expired - Fee Related CA2041536C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI902261A FI85293C (sv) 1990-05-04 1990-05-04 Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten
FI902261 1990-05-04

Publications (2)

Publication Number Publication Date
CA2041536A1 CA2041536A1 (fr) 1991-11-05
CA2041536C true CA2041536C (fr) 1997-12-09

Family

ID=8530380

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2041536 Expired - Fee Related CA2041536C (fr) 1990-05-04 1991-04-30 Methode de traitement et de recyclage des effluents contenant des produits chimiques de blanchiment pour la fabrication des pates

Country Status (7)

Country Link
JP (1) JPH089837B2 (fr)
AU (1) AU634381B2 (fr)
BR (1) BR9101745A (fr)
CA (1) CA2041536C (fr)
ES (1) ES2034879B1 (fr)
FI (1) FI85293C (fr)
SE (1) SE507066C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011064447A1 (fr) * 2009-11-25 2011-06-03 Andritz Oy Procédé de traitement de flux liquides dans une usine de pâte chimique

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950702505A (ko) * 1992-07-20 1995-07-29 알 브이 테이트 기체 수화물의 제조 방법(Manufacture of Gas Hydrates)
US5374333A (en) * 1992-07-30 1994-12-20 Kamyr, Inc. Method for minimizing pulp mill effluents
US5439555A (en) * 1992-07-30 1995-08-08 Kamyr, Inc. Minimum adverse environmental pulp with feed to chlorate manufacture
US5549788A (en) * 1992-07-30 1996-08-27 A. Ahlstrom Corporation Minimal effluents discharge pulp mill with chemical recovery
US5300191A (en) * 1992-07-30 1994-04-05 Kamyr, Inc. Chlorine dioxide generation for a zero discharge pulp mill
US5302246A (en) * 1992-07-30 1994-04-12 Kamyr, Inc. Method of managing liquid steams in a pulp mill
US5628872A (en) * 1993-10-22 1997-05-13 Kanyr Ab Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor
CA2201117A1 (fr) * 1994-10-05 1996-04-18 Johan Landfors Procede de traitement separe des eaux residuaires acides et alcalines provenant d'une installation de blanchiment
FI990127A0 (fi) * 1999-01-22 1999-01-22 Ahlstrom Machinery Oy Menetelmä massan käsittelemiseksi
GB0301183D0 (en) 2003-01-18 2003-02-19 Rolls Royce Plc Electrostatic sensors
SE521780C2 (sv) * 2003-01-31 2003-12-09 Kvaerner Pulping Tech Förfarande för blekning av cellulosamassa samt bleklinje härför
JP7317509B2 (ja) * 2019-01-10 2023-07-31 日本製紙株式会社 リグニンの製造方法、及びリグニン系分散剤

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA973661A (en) * 1972-09-29 1975-09-02 Pulp And Paper Research Institute Of Canada Press alkaline extraction of cellulosic pulp
US4159682A (en) * 1977-12-01 1979-07-03 Dorr-Oliver Incorporated Fluid bed combustion with predrying of moist feed using bed sand
DE3043194A1 (de) * 1980-11-15 1982-07-01 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Einrichtung zum mechanischen trennen von fluessigkeiten aus fluessigkeitsfeststoffgemischen in einer schneckenpresse
FI67894C (fi) * 1982-05-21 1985-06-10 Rauma Repola Oy Foerfarande och anordning foer blekning av fibermassa
FI77064C (fi) * 1985-04-29 1989-01-10 Tampella Oy Ab Foerfarande foer kokning och blekning av cellulosa.
NO159494C (no) * 1986-10-23 1989-01-04 Kvaerner Eureka As Fremgangsmaate ved bleking av cellulosemasse eller fraksjon derav, anlegg til bruk ved gjennomfoeringen av fremgangsmaaten.
NO882815L (no) * 1988-06-24 1989-12-27 Sigurd Fongen Fremgangsmaate for fremstilling av cellulosemasse, samt delignifisering, bleking, de-inking og vasking av cellulosefibre og anordning for utfoerelse av fremgangsmaaten.
FI893844A (fi) * 1988-08-23 1990-02-24 Sappi Ltd Eliminering av blekningsavloppsvaetskor.
JP2972253B2 (ja) * 1988-08-26 1999-11-08 キーラン・コーポレーション・ナムローゼ・フェンノートシャップ 蒸留装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011064447A1 (fr) * 2009-11-25 2011-06-03 Andritz Oy Procédé de traitement de flux liquides dans une usine de pâte chimique

Also Published As

Publication number Publication date
FI85293B (fi) 1991-12-13
AU7627891A (en) 1991-11-07
FI902261A0 (fi) 1990-05-04
JPH089837B2 (ja) 1996-01-31
SE9101278D0 (sv) 1991-04-26
BR9101745A (pt) 1991-12-10
AU634381B2 (en) 1993-02-18
ES2034879A1 (es) 1993-04-01
ES2034879B1 (es) 1993-11-01
SE507066C2 (sv) 1998-03-23
JPH06257088A (ja) 1994-09-13
FI902261A (fi) 1991-11-05
FI85293C (sv) 1992-03-25
CA2041536A1 (fr) 1991-11-05
SE9101278L (sv) 1991-11-05

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