FI844532L - Foerfarande foer avlaegsnande av lignin ur blekeriavfallsvatten. - Google Patents

Foerfarande foer avlaegsnande av lignin ur blekeriavfallsvatten.

Info

Publication number
FI844532L
FI844532L FI844532A FI844532A FI844532L FI 844532 L FI844532 L FI 844532L FI 844532 A FI844532 A FI 844532A FI 844532 A FI844532 A FI 844532A FI 844532 L FI844532 L FI 844532L
Authority
FI
Finland
Prior art keywords
blekeriavfallsvatten
lignin
foerfarande foer
foer avlaegsnande
avlaegsnande
Prior art date
Application number
FI844532A
Other languages
English (en)
Other versions
FI76774C (fi
FI844532A0 (fi
FI76774B (fi
Inventor
Pertti Hynninen
Johan Gullichsen
Original Assignee
Ahlstroem 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 Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of FI844532A0 publication Critical patent/FI844532A0/fi
Priority to FI844532A priority Critical patent/FI76774C/fi
Priority to CA000495065A priority patent/CA1254554A/en
Priority to DE19853590604 priority patent/DE3590604T1/de
Priority to JP60505111A priority patent/JPS62500392A/ja
Priority to BR8507286A priority patent/BR8507286A/pt
Priority to FR8516930A priority patent/FR2573454B1/fr
Priority to PCT/FI1985/000091 priority patent/WO1986003236A1/en
Publication of FI844532L publication Critical patent/FI844532L/fi
Priority to NO862902A priority patent/NO165409C/no
Priority to SE8702040A priority patent/SE8702040L/xx
Priority to US07/122,598 priority patent/US4812207A/en
Application granted granted Critical
Publication of FI76774B publication Critical patent/FI76774B/fi
Publication of FI76774C publication Critical patent/FI76774C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • 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
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • 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
    • 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)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Removal Of Specific Substances (AREA)
  • Physical Water Treatments (AREA)
FI844532A 1984-11-19 1984-11-19 Foerfarande foer avlaegsnande av lignin ur kemisk massas koncentrerade blekeriavfallsvatten. FI76774C (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI844532A FI76774C (fi) 1984-11-19 1984-11-19 Foerfarande foer avlaegsnande av lignin ur kemisk massas koncentrerade blekeriavfallsvatten.
CA000495065A CA1254554A (en) 1984-11-19 1985-11-12 Method of removing lignin from bleach plant effluents
DE19853590604 DE3590604T1 (fi) 1984-11-19 1985-11-15
JP60505111A JPS62500392A (ja) 1984-11-19 1985-11-15 漂白プラント流出液からリグニンを除去する方法
BR8507286A BR8507286A (pt) 1984-11-19 1985-11-15 Processo para remover lenhose a partir de efluentes de uma instalacao de descoramento
FR8516930A FR2573454B1 (fr) 1984-11-19 1985-11-15 Procede pour eliminer la lignine des effluents des installations de blanchiment
PCT/FI1985/000091 WO1986003236A1 (en) 1984-11-19 1985-11-15 Method of removing lignin from bleach plant effluents
NO862902A NO165409C (no) 1984-11-19 1986-07-18 Fremgangsmaate for fjerning av lignin fra konsentrert blekeriavloepsvann fra kjemisk masse.
SE8702040A SE8702040L (sv) 1984-11-19 1987-05-18 Forfarande for avlegsnande av lignin fran effluenter fran blekningsanleggningar
US07/122,598 US4812207A (en) 1984-11-19 1987-11-18 Method of removing lignin from bleach plant effluents

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI844532 1984-11-19
FI844532A FI76774C (fi) 1984-11-19 1984-11-19 Foerfarande foer avlaegsnande av lignin ur kemisk massas koncentrerade blekeriavfallsvatten.

Publications (4)

Publication Number Publication Date
FI844532A0 FI844532A0 (fi) 1984-11-19
FI844532L true FI844532L (fi) 1986-05-20
FI76774B FI76774B (fi) 1988-08-31
FI76774C FI76774C (fi) 1988-12-12

Family

ID=8519917

Family Applications (1)

Application Number Title Priority Date Filing Date
FI844532A FI76774C (fi) 1984-11-19 1984-11-19 Foerfarande foer avlaegsnande av lignin ur kemisk massas koncentrerade blekeriavfallsvatten.

Country Status (10)

Country Link
US (1) US4812207A (fi)
JP (1) JPS62500392A (fi)
BR (1) BR8507286A (fi)
CA (1) CA1254554A (fi)
DE (1) DE3590604T1 (fi)
FI (1) FI76774C (fi)
FR (1) FR2573454B1 (fi)
NO (1) NO165409C (fi)
SE (1) SE8702040L (fi)
WO (1) WO1986003236A1 (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI75379C (fi) * 1986-07-02 1988-06-09 Kamyr Ab Foerfarande foer behandling av en pappersfabriks cirkulationsvatten.
SE462170B (sv) * 1987-10-27 1990-05-14 Aahlstrom Corp Avlaegsnande av loesta och kolloidala makromolekylaera organiska aemnen ur effluenter
US5401362A (en) * 1993-03-24 1995-03-28 Kamyr, Inc. Control of metals and dissolved organics in the bleach plant
FI117507B (fi) * 2004-07-09 2006-11-15 Kemira Oyj Menetelmä ligniinin poistamiseksi vedestä

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354028A (en) * 1963-12-30 1967-11-21 Garden State Paper Company Inc Clarifying waste effluents from re-inking processes by reversing the effluent ph
US3627679A (en) * 1967-05-25 1971-12-14 Gulf States Paper Corp Effluent treatment processes
US3531370A (en) * 1968-11-04 1970-09-29 Georgia Pacific Corp Color removal from waste effluents
US3990969A (en) * 1972-10-04 1976-11-09 Uddeholms Aktiebolag Purification of waste water from sulphate pulp bleaching plants
US4000033A (en) * 1973-04-25 1976-12-28 Canadian Patents And Development Limited Removal of color and organic matter from kraft process bleach effluents
JPS529977A (en) * 1975-07-14 1977-01-25 Oji Paper Co Ltd Method for agglomerating pulp waste water
US4179329A (en) * 1976-01-09 1979-12-18 Nalco Chemical Company Removal of color from paper mill waste waters
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

Also Published As

Publication number Publication date
JPS62500392A (ja) 1987-02-19
SE8702040D0 (sv) 1987-05-18
FI76774C (fi) 1988-12-12
NO165409B (no) 1990-10-29
FI844532A0 (fi) 1984-11-19
NO165409C (no) 1991-02-06
BR8507286A (pt) 1987-10-27
NO862902D0 (no) 1986-07-18
NO862902L (no) 1986-07-18
FI76774B (fi) 1988-08-31
DE3590604T1 (fi) 1987-11-19
CA1254554A (en) 1989-05-23
SE8702040L (sv) 1987-05-18
FR2573454A1 (fr) 1986-05-23
FR2573454B1 (fr) 1989-01-20
WO1986003236A1 (en) 1986-06-05
US4812207A (en) 1989-03-14

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: A. AHLSTROM CORPORATION