FI922106A0 - En andra behandling av avfallsvattnet vid en pappersfabrik. - Google Patents

En andra behandling av avfallsvattnet vid en pappersfabrik.

Info

Publication number
FI922106A0
FI922106A0 FI922106A FI922106A FI922106A0 FI 922106 A0 FI922106 A0 FI 922106A0 FI 922106 A FI922106 A FI 922106A FI 922106 A FI922106 A FI 922106A FI 922106 A0 FI922106 A0 FI 922106A0
Authority
FI
Finland
Prior art keywords
pappersfabrik
avfallsvattnet
behandling
andra
vid
Prior art date
Application number
FI922106A
Other languages
English (en)
Other versions
FI922106A (fi
Inventor
Vasuda Shripad Vipat
Original Assignee
Mac Millan Bloedel Ltd
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 Mac Millan Bloedel Ltd filed Critical Mac Millan Bloedel Ltd
Publication of FI922106A0 publication Critical patent/FI922106A0/fi
Publication of FI922106A publication Critical patent/FI922106A/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1231—Treatments of toxic sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/908—Organic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Activated Sludge Processes (AREA)
FI922106A 1991-05-10 1992-05-08 En andra behandling av avfallsvattnet vid en pappersfabrik FI922106A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/698,032 US5143619A (en) 1991-05-10 1991-05-10 Secondary treatment of an integrated paper mill effluent

Publications (2)

Publication Number Publication Date
FI922106A0 true FI922106A0 (fi) 1992-05-08
FI922106A FI922106A (fi) 1992-11-11

Family

ID=24803638

Family Applications (1)

Application Number Title Priority Date Filing Date
FI922106A FI922106A (fi) 1991-05-10 1992-05-08 En andra behandling av avfallsvattnet vid en pappersfabrik

Country Status (4)

Country Link
US (1) US5143619A (fi)
CA (1) CA2068101A1 (fi)
FI (1) FI922106A (fi)
SE (1) SE9201454L (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5976375A (en) * 1998-04-03 1999-11-02 Pulp And Paper Research Institute Of Canada Process for reducing production of biomass during activated sludge treatment of pulp and paper mill effluents

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030968A (en) * 1975-12-22 1977-06-21 Consolidated-Bathurst Limited Disposal of paper pulp mill sludge
US4374027A (en) * 1978-02-06 1983-02-15 International Telephone And Telegraph Corporation Process for the secondary treatment of wastewater
US4420369A (en) * 1982-02-25 1983-12-13 The United States Of America As Represented By The Secretary Of Agriculture Process for the decolorization of pulp mill bleach plant effluent
AT377546B (de) * 1983-02-25 1985-03-25 Dieter J Becker Verfahren zur reinigung von bei der zellstoffherstellung, insbesondere bei der chlorbleiche von zellstoff, anfallenden abwaessern
SE462170B (sv) * 1987-10-27 1990-05-14 Aahlstrom Corp Avlaegsnande av loesta och kolloidala makromolekylaera organiska aemnen ur effluenter

Also Published As

Publication number Publication date
SE9201454L (sv) 1992-11-11
CA2068101A1 (en) 1992-11-11
US5143619A (en) 1992-09-01
FI922106A (fi) 1992-11-11
SE9201454D0 (sv) 1992-05-08

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Legal Events

Date Code Title Description
FD Application lapsed