FI85293C - Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten - Google Patents

Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten Download PDF

Info

Publication number
FI85293C
FI85293C FI902261A FI902261A FI85293C FI 85293 C FI85293 C FI 85293C FI 902261 A FI902261 A FI 902261A FI 902261 A FI902261 A FI 902261A FI 85293 C FI85293 C FI 85293C
Authority
FI
Finland
Prior art keywords
bleaching
water
chlorine
stage
evaporation
Prior art date
Application number
FI902261A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI85293B (fi
FI902261A0 (fi
FI902261A (fi
Inventor
Bertel Myreen
Original Assignee
Poeyry Jaakko & Co 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 Poeyry Jaakko & Co Oy filed Critical Poeyry Jaakko & Co Oy
Publication of FI902261A0 publication Critical patent/FI902261A0/fi
Priority to FI902261A priority Critical patent/FI85293C/sv
Priority to AU76278/91A priority patent/AU634381B2/en
Priority to SE9101278A priority patent/SE507066C2/sv
Priority to ES9101076A priority patent/ES2034879B1/es
Priority to CA 2041536 priority patent/CA2041536C/en
Priority to BR9101745A priority patent/BR9101745A/pt
Priority to JP9857491A priority patent/JPH089837B2/ja
Publication of FI902261A publication Critical patent/FI902261A/fi
Publication of FI85293B publication Critical patent/FI85293B/sv
Application granted granted Critical
Publication of FI85293C publication Critical patent/FI85293C/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
    • D21C11/10—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)
FI902261A 1990-05-04 1990-05-04 Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten FI85293C (sv)

Priority Applications (7)

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
AU76278/91A AU634381B2 (en) 1990-05-04 1991-04-26 Method for treatment and recycling of pulp mill bleach plant effluents
SE9101278A SE507066C2 (sv) 1990-05-04 1991-04-26 Förfarande för behandling och återvinning av blekeriavlopp från massafabriker
ES9101076A ES2034879B1 (es) 1990-05-04 1991-04-29 Metodo de purificacion y recirculacion de las aguas residuales de blanqueo de las fabricas de pasta.
CA 2041536 CA2041536C (en) 1990-05-04 1991-04-30 Method for treatment and recycling of pulp mill bleach plant effluents
BR9101745A BR9101745A (pt) 1990-05-04 1991-04-30 Processo para a separacao de produtos quimicos que conter cloro do liquido obtido na primeira etapa de branqueamento
JP9857491A JPH089837B2 (ja) 1990-05-04 1991-04-30 パルプ工場の漂白プラント廃水を処理し再循環する方法

Applications Claiming Priority (2)

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

Publications (4)

Publication Number Publication Date
FI902261A0 FI902261A0 (fi) 1990-05-04
FI902261A FI902261A (fi) 1991-11-05
FI85293B FI85293B (fi) 1991-12-13
FI85293C true FI85293C (sv) 1992-03-25

Family

ID=8530380

Family Applications (1)

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

Country Status (7)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU671844B2 (en) * 1992-07-20 1996-09-12 Unilever Plc Manufacture of gas hydrates
US5302246A (en) * 1992-07-30 1994-04-12 Kamyr, Inc. Method of managing liquid steams in a pulp mill
US5374333A (en) * 1992-07-30 1994-12-20 Kamyr, Inc. Method for minimizing pulp mill effluents
US5300191A (en) * 1992-07-30 1994-04-05 Kamyr, Inc. Chlorine dioxide generation for a zero discharge pulp mill
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
US5628872A (en) * 1993-10-22 1997-05-13 Kanyr Ab Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor
WO1996011299A1 (en) * 1994-10-05 1996-04-18 Eka Chemicals Ab A method for treating acid and alkaline waste streams from a bleach plant separately
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
FI126551B (fi) * 2009-11-25 2017-02-15 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
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.
AU619580B2 (en) * 1988-08-23 1992-01-30 Sappi Limited Elimination of bleach effluents
ATE109670T1 (de) * 1988-08-26 1994-08-15 Aquamax Oy Destillieranordnung.

Also Published As

Publication number Publication date
CA2041536C (en) 1997-12-09
FI85293B (fi) 1991-12-13
JPH089837B2 (ja) 1996-01-31
SE9101278L (sv) 1991-11-05
CA2041536A1 (en) 1991-11-05
FI902261A0 (fi) 1990-05-04
BR9101745A (pt) 1991-12-10
SE9101278D0 (sv) 1991-04-26
ES2034879A1 (es) 1993-04-01
FI902261A (fi) 1991-11-05
JPH06257088A (ja) 1994-09-13
ES2034879B1 (es) 1993-11-01
SE507066C2 (sv) 1998-03-23
AU634381B2 (en) 1993-02-18
AU7627891A (en) 1991-11-07

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: JAAKKO POEYRY OY

PC Transfer of assignment of patent

Owner name: SILOXY LIMITED

Free format text: SILOXY LIMITED