CA1159165A - Method for treatment of waste water from pulp bleaching plants - Google Patents

Method for treatment of waste water from pulp bleaching plants

Info

Publication number
CA1159165A
CA1159165A CA000345541A CA345541A CA1159165A CA 1159165 A CA1159165 A CA 1159165A CA 000345541 A CA000345541 A CA 000345541A CA 345541 A CA345541 A CA 345541A CA 1159165 A CA1159165 A CA 1159165A
Authority
CA
Canada
Prior art keywords
waste water
ozone
amount
pulp
treatment
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
Application number
CA000345541A
Other languages
English (en)
French (fr)
Inventor
Johan Mannheimer
Lennart Ruus
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.)
IVL-KONSULT AB
Original Assignee
IVL-KONSULT 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 IVL-KONSULT AB filed Critical IVL-KONSULT AB
Application granted granted Critical
Publication of CA1159165A publication Critical patent/CA1159165A/en
Expired 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
    • D21C11/0021—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

Landscapes

  • Paper (AREA)
CA000345541A 1979-02-13 1980-02-12 Method for treatment of waste water from pulp bleaching plants Expired CA1159165A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7901248-0 1979-02-13
SE7901248A SE7901248L (sv) 1979-02-13 1979-02-13 Sett for behandling av avloppsvatten fran massablekerier

Publications (1)

Publication Number Publication Date
CA1159165A true CA1159165A (en) 1983-12-20

Family

ID=20337278

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000345541A Expired CA1159165A (en) 1979-02-13 1980-02-12 Method for treatment of waste water from pulp bleaching plants

Country Status (2)

Country Link
CA (1) CA1159165A (sv)
SE (1) SE7901248L (sv)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0564443A1 (en) * 1992-03-15 1993-10-06 Kamyr, Inc. Treatment of bleach plant filtrates
US6106667A (en) * 1992-02-21 2000-08-22 Ahlstrom Machinery Inc. Treatment of recycled bleach plant filtrates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6106667A (en) * 1992-02-21 2000-08-22 Ahlstrom Machinery Inc. Treatment of recycled bleach plant filtrates
EP0564443A1 (en) * 1992-03-15 1993-10-06 Kamyr, Inc. Treatment of bleach plant filtrates

Also Published As

Publication number Publication date
SE7901248L (sv) 1980-08-14

Similar Documents

Publication Publication Date Title
CA2148856C (en) Process for treating waste water effluent
CA2315063A1 (en) Bleaching of chemical pulp with peracid
US7713422B2 (en) Black liquor treatment method
US4000033A (en) Removal of color and organic matter from kraft process bleach effluents
CA1102456A (en) Method of removing metallic impurities from sewage sludge
US20020117455A1 (en) Process for treatment of mixture of spent wash from distillery and black liquor from pulp and paper industry
EP0383999A2 (en) Procedure for the bleaching of pulp
CA2163985A1 (en) Process in associaton with pulp bleaching
CA1159165A (en) Method for treatment of waste water from pulp bleaching plants
EP0454642B1 (en) Reduction of halogenated organic compounds in spent bleach liquor
AU634381B2 (en) Method for treatment and recycling of pulp mill bleach plant effluents
AU691571B2 (en) Method of reducing fluorescence in deinked pulp
EP0047044A1 (de) Verfahren zur Entfärbung von Abwässern
EP0565625A1 (en) Chlorine-free process for bleaching lignocellulosic pulp
US5626717A (en) Oxidative treatment of bleach plant effluent
Roy-Arcand et al. Effect of time, daylight, and settling pond microorganisms on the high molecular weight fraction of kraft bleachery effluents
CA2236004A1 (en) Hot water extraction for pulp bleaching sequences
Hemming et al. Formation and Properties of 3-Chloro-4-(dichloromethyl)-5-hydroxy-2 (5 H)- furanone, A Potent Mutagen in Chlorinated Waters
JP3275271B2 (ja) 化学パルプの漂白方法
SE460423B (sv) Blekning och delignifiering av cellulosamassa med en alkali-syre-hypokloritextraktion
Mounteer et al. Potential for enhancement of aerobic biological removal of recalcitrant organic matter in bleached pulp mill effluents
WO1994029512A1 (en) Method of bleaching pulp without using chlorine chemicals
CA2170553A1 (en) Treatment of filtrates in peroxide bleaching of pulp
EP0717800A1 (en) Medium consistency ozone brightening of high consistency ozone bleached pulp
Boyden et al. The use of ozone as a tertiary treatment for eucalypt bleachery effluent

Legal Events

Date Code Title Description
MKEX Expiry