BR9101745A - Processo para a separacao de produtos quimicos que conter cloro do liquido obtido na primeira etapa de branqueamento - Google Patents

Processo para a separacao de produtos quimicos que conter cloro do liquido obtido na primeira etapa de branqueamento

Info

Publication number
BR9101745A
BR9101745A BR9101745A BR9101745A BR9101745A BR 9101745 A BR9101745 A BR 9101745A BR 9101745 A BR9101745 A BR 9101745A BR 9101745 A BR9101745 A BR 9101745A BR 9101745 A BR9101745 A BR 9101745A
Authority
BR
Brazil
Prior art keywords
bleaching
chemicals
separation
stage
liquid obtained
Prior art date
Application number
BR9101745A
Other languages
English (en)
Portuguese (pt)
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 BR9101745A publication Critical patent/BR9101745A/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
    • D21C11/10—Concentrating spent liquor by evaporation
BR9101745A 1990-05-04 1991-04-30 Processo para a separacao de produtos quimicos que conter cloro do liquido obtido na primeira etapa de branqueamento BR9101745A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI902261A FI85293C (fi) 1990-05-04 1990-05-04 Foerfarande foer rening och aoterfoering av cellulosafabrikers blekeriavvatten.

Publications (1)

Publication Number Publication Date
BR9101745A true BR9101745A (pt) 1991-12-10

Family

ID=8530380

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (7)

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

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
SE9101278D0 (sv) 1991-04-26
ES2034879A1 (es) 1993-04-01
FI85293C (fi) 1992-03-25
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
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: granting
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 30/04/2011