AT320544B - Verfahren zum Reinigen von Abwasser - Google Patents

Verfahren zum Reinigen von Abwasser

Info

Publication number
AT320544B
AT320544B AT157773A AT157773A AT320544B AT 320544 B AT320544 B AT 320544B AT 157773 A AT157773 A AT 157773A AT 157773 A AT157773 A AT 157773A AT 320544 B AT320544 B AT 320544B
Authority
AT
Austria
Prior art keywords
waste water
purifying waste
purifying
water
waste
Prior art date
Application number
AT157773A
Other languages
German (de)
English (en)
Original Assignee
Casco 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 Casco Ab filed Critical Casco Ab
Application granted granted Critical
Publication of AT320544B publication Critical patent/AT320544B/de

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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • 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

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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Paper (AREA)
AT157773A 1972-02-22 1973-02-22 Verfahren zum Reinigen von Abwasser AT320544B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE216672A SE357950B (es) 1972-02-22 1972-02-22

Publications (1)

Publication Number Publication Date
AT320544B true AT320544B (de) 1975-02-10

Family

ID=20259471

Family Applications (1)

Application Number Title Priority Date Filing Date
AT157773A AT320544B (de) 1972-02-22 1973-02-22 Verfahren zum Reinigen von Abwasser

Country Status (10)

Country Link
JP (1) JPS5225027B2 (es)
AT (1) AT320544B (es)
CA (1) CA1004782A (es)
DD (1) DD101650A5 (es)
DE (1) DE2308815C3 (es)
FI (1) FI57245C (es)
FR (1) FR2173166A1 (es)
IT (1) IT977422B (es)
NO (1) NO132275C (es)
SE (1) SE357950B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE459925B (sv) * 1987-12-23 1989-08-21 Boliden Ab Avskiljning av harts ur massaavlutar
US5230808A (en) * 1991-06-17 1993-07-27 Nalco Canada Inc. Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater
US5173208A (en) * 1991-06-17 1992-12-22 Nalco Canada Inc. Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater
US5178770A (en) * 1991-07-12 1993-01-12 Nalco Canada Inc. Method of treating bctmp/ctmp wastewater
WO1993015271A1 (en) * 1992-01-29 1993-08-05 Kemira Kemi Aktiebolag Improved process for production of paper
SE500783C2 (sv) * 1992-05-05 1994-09-05 Eka Nobel Ab Sätt att rena vedhartsinnehållande process- eller avloppsvatten
SE9303762L (sv) * 1993-11-15 1995-05-16 Eka Nobel Ab Sätt att rena processvatten från massaframställning
SE509777C2 (sv) 1997-07-07 1999-03-08 Kemira Kemi Ab Sätt att förbättra retentionen vid avvattning av en cellulosafibersuspension genom användning av ett medel, som inbegriper ett fenolformaldehydharts och en polyetylenoxid
GB9800497D0 (en) * 1998-01-09 1998-03-04 Allied Colloids Ltd Dewatering of sludges

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141816A (en) * 1960-07-27 1964-07-21 Nalco Chemical Co Method of improving operational efficiency of white water recovery systems

Also Published As

Publication number Publication date
FR2173166B1 (es) 1976-11-05
DD101650A5 (es) 1973-11-12
DE2308815C3 (de) 1982-01-28
FI57245C (fi) 1980-07-10
FR2173166A1 (en) 1973-10-05
DE2308815B2 (de) 1981-03-19
CA1004782A (en) 1977-02-01
DE2308815A1 (de) 1973-09-06
IT977422B (it) 1974-09-10
JPS4898653A (es) 1973-12-14
JPS5225027B2 (es) 1977-07-05
FI57245B (fi) 1980-03-31
NO132275B (es) 1975-07-07
NO132275C (es) 1975-10-15
SE357950B (es) 1973-07-16

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time