FI57245C - Saett att rena avloppsvatten innehaollande cellulosafibrer - Google Patents

Saett att rena avloppsvatten innehaollande cellulosafibrer Download PDF

Info

Publication number
FI57245C
FI57245C FI36073A FI36073A FI57245C FI 57245 C FI57245 C FI 57245C FI 36073 A FI36073 A FI 36073A FI 36073 A FI36073 A FI 36073A FI 57245 C FI57245 C FI 57245C
Authority
FI
Finland
Prior art keywords
water
resin
cellulosafibrer
avloppsvatten
innehaollande
Prior art date
Application number
FI36073A
Other languages
English (en)
Finnish (fi)
Other versions
FI57245B (fi
Inventor
Einar Sigurd Hecktor
Helge Storstroem
Gert Walter Ludwig Eselboeck
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
Publication of FI57245B publication Critical patent/FI57245B/fi
Application granted granted Critical
Publication of FI57245C publication Critical patent/FI57245C/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
    • C02F1/52—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)
FI36073A 1972-02-22 1973-02-07 Saett att rena avloppsvatten innehaollande cellulosafibrer FI57245C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE216672 1972-02-22
SE216672A SE357950B (fr) 1972-02-22 1972-02-22

Publications (2)

Publication Number Publication Date
FI57245B FI57245B (fi) 1980-03-31
FI57245C true FI57245C (fi) 1980-07-10

Family

ID=20259471

Family Applications (1)

Application Number Title Priority Date Filing Date
FI36073A FI57245C (fi) 1972-02-22 1973-02-07 Saett att rena avloppsvatten innehaollande cellulosafibrer

Country Status (10)

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

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
US5173208A (en) * 1991-06-17 1992-12-22 Nalco Canada Inc. Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater
US5230808A (en) * 1991-06-17 1993-07-27 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 (fr) * 1992-01-29 1993-08-05 Kemira Kemi Aktiebolag Procede ameliore pour la fabrication de papier
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
FI57245B (fi) 1980-03-31
AT320544B (de) 1975-02-10
DE2308815A1 (de) 1973-09-06
CA1004782A (en) 1977-02-01
DE2308815B2 (de) 1981-03-19
DE2308815C3 (de) 1982-01-28
FR2173166A1 (en) 1973-10-05
SE357950B (fr) 1973-07-16
NO132275C (fr) 1975-10-15
FR2173166B1 (fr) 1976-11-05
DD101650A5 (fr) 1973-11-12
NO132275B (fr) 1975-07-07
JPS5225027B2 (fr) 1977-07-05
IT977422B (it) 1974-09-10
JPS4898653A (fr) 1973-12-14

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