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BR9509567A - Process for recovery / purification of wastewater from the bank from a bleaching plant for cellulose fiber - Google Patents

Process for recovery / purification of wastewater from the bank from a bleaching plant for cellulose fiber

Info

Publication number
BR9509567A
BR9509567A BR9509567A BR9509567A BR9509567A BR 9509567 A BR9509567 A BR 9509567A BR 9509567 A BR9509567 A BR 9509567A BR 9509567 A BR9509567 A BR 9509567A BR 9509567 A BR9509567 A BR 9509567A
Authority
BR
Brazil
Prior art keywords
wastewater
bank
purification
recovery
cellulose fiber
Prior art date
Application number
BR9509567A
Other languages
Portuguese (pt)
Inventor
Lars Stigsson
Original Assignee
Kvaener Pulping Ab
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 Kvaener Pulping Ab filed Critical Kvaener Pulping Ab
Publication of BR9509567A publication Critical patent/BR9509567A/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
    • D21C11/103—Evaporation by direct contact with gases, e.g. hot flue gases
    • 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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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
    • 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
    • D21C11/12—Combustion of pulp liquors
BR9509567A 1994-11-04 1995-09-29 Process for recovery / purification of wastewater from the bank from a bleaching plant for cellulose fiber BR9509567A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9403780A SE505249C2 (en) 1994-11-04 1994-11-04 Recovery of bleach filtrate by using the filtrate in a gas cooling system in a gasification plant
PCT/SE1995/001105 WO1996014465A1 (en) 1994-11-04 1995-09-29 Evaporation of bleach filtrate in the gas cooling system of a plant for gasifying black liquor

Publications (1)

Publication Number Publication Date
BR9509567A true BR9509567A (en) 1997-09-16

Family

ID=20395848

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9509567A BR9509567A (en) 1994-11-04 1995-09-29 Process for recovery / purification of wastewater from the bank from a bleaching plant for cellulose fiber

Country Status (6)

Country Link
JP (1) JPH10513226A (en)
AU (1) AU3860795A (en)
BR (1) BR9509567A (en)
FI (1) FI971866A0 (en)
SE (1) SE505249C2 (en)
WO (1) WO1996014465A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE540646C2 (en) * 2016-09-08 2018-10-09 Suncarbon Ab Method and system for treating spent pulping liquor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1106841A (en) * 1965-01-25 1968-03-20 Electric Reduction Co Process for the production of bleached pulp
SE9001957L (en) * 1990-05-31 1991-12-01 Chemrec Ab Purification of process gas from partial combustion of black liquor
SE470066B (en) * 1991-07-16 1993-11-01 Chemrec Ab Extraction of chemicals and energy from cellulose wastes by gasification
EP0564443A1 (en) * 1992-03-15 1993-10-06 Kamyr, Inc. Treatment of bleach plant filtrates

Also Published As

Publication number Publication date
SE505249C2 (en) 1997-07-21
AU3860795A (en) 1996-05-31
SE9403780L (en) 1996-05-05
FI971866A7 (en) 1997-04-30
FI971866L (en) 1997-04-30
FI971866A0 (en) 1997-04-30
SE9403780D0 (en) 1994-11-04
JPH10513226A (en) 1998-12-15
WO1996014465A1 (en) 1996-05-17

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law