BR9101745A - PROCESS FOR THE SEPARATION OF CHEMICALS THAT CONTAIN CHLORINE FROM THE LIQUID OBTAINED IN THE FIRST STAGE OF BLEACHING - Google Patents

PROCESS FOR THE SEPARATION OF CHEMICALS THAT CONTAIN CHLORINE FROM THE LIQUID OBTAINED IN THE FIRST STAGE OF BLEACHING

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
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/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
    • D21C11/10—Concentrating spent liquor by evaporation
BR9101745A 1990-05-04 1991-04-30 PROCESS FOR THE SEPARATION OF CHEMICALS THAT CONTAIN CHLORINE FROM THE LIQUID OBTAINED IN THE FIRST STAGE OF BLEACHING BR9101745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI902261A FI85293C (en) 1990-05-04 1990-05-04 FOERFARANDE FOER RENING OCH AOTERFOERING AV CELLULOSAFABRIKERS BLEKERIAVATTEN.

Publications (1)

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

Family

ID=8530380

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9101745A BR9101745A (en) 1990-05-04 1991-04-30 PROCESS FOR THE SEPARATION OF CHEMICALS THAT CONTAIN CHLORINE FROM THE LIQUID OBTAINED IN THE FIRST STAGE OF BLEACHING

Country Status (7)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950702505A (en) * 1992-07-20 1995-07-29 알 브이 테이트 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 (en) * 1994-10-05 1996-04-18 Johan Landfors A process for treatment of effluents from a pulp producing plant
FI990127A0 (en) * 1999-01-22 1999-01-22 Ahlstrom Machinery Oy Process for treating pulp
GB0301183D0 (en) 2003-01-18 2003-02-19 Rolls Royce Plc Electrostatic sensors
SE521780C2 (en) * 2003-01-31 2003-12-09 Kvaerner Pulping Tech Method for bleaching cellulose pulp and bleaching line for this
FI126551B (en) * 2009-11-25 2017-02-15 Andritz Oy A method for treating fluid flows at a pulp mill
JP7317509B2 (en) * 2019-01-10 2023-07-31 日本製紙株式会社 Method for producing lignin, and lignin-based dispersant

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 (en) * 1980-11-15 1982-07-01 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover DEVICE FOR MECHANICALLY SEPARATING LIQUIDS FROM LIQUIDS-SOLIDS MIXTURES IN A SCREW PRESS
FI67894C (en) * 1982-05-21 1985-06-10 Rauma Repola Oy FOERFARANDE OCH ANORDNING FOER BLEKNING AV FIBERMASSA
FI77064C (en) * 1985-04-29 1989-01-10 Tampella Oy Ab Process for boiling and bleaching cellulose
NO159494C (en) * 1986-10-23 1989-01-04 Kvaerner Eureka As PROCEDURE BY BLACKING CELLULOSMASS OR FRACTION THEREOF, PLANT FOR USE BY IMPLEMENTING THE PROCEDURE.
NO882815L (en) * 1988-06-24 1989-12-27 Sigurd Fongen PROCEDURE FOR CELLULOUS PREPARATION AND DELIGNIFICATION, WHEATING, DE-INKING AND CLEANING OF CELLULOSE FIBER AND DEVICE FOR CARRYING OUT THE PROCEDURE.
FI893844A (en) * 1988-08-23 1990-02-24 Sappi Ltd ELIMINERING AV BLEKNINGSAVLOPPSVAETSKOR.
JP2972253B2 (en) * 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 Distillation equipment

Also Published As

Publication number Publication date
FI85293B (en) 1991-12-13
AU7627891A (en) 1991-11-07
FI902261A0 (en) 1990-05-04
JPH089837B2 (en) 1996-01-31
SE9101278D0 (en) 1991-04-26
AU634381B2 (en) 1993-02-18
ES2034879A1 (en) 1993-04-01
ES2034879B1 (en) 1993-11-01
SE507066C2 (en) 1998-03-23
JPH06257088A (en) 1994-09-13
FI902261A (en) 1991-11-05
FI85293C (en) 1992-03-25
CA2041536C (en) 1997-12-09
CA2041536A1 (en) 1991-11-05
SE9101278L (en) 1991-11-05

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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