FI57245C - Saett att rena avloppsvatten innehaollande cellulosafibrer - Google Patents
Saett att rena avloppsvatten innehaollande cellulosafibrer Download PDFInfo
- 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
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)
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)
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)
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 |
-
1972
- 1972-02-22 SE SE216672A patent/SE357950B/xx unknown
-
1973
- 1973-02-07 FI FI36073A patent/FI57245C/fi active
- 1973-02-20 IT IT4835673A patent/IT977422B/it active
- 1973-02-21 NO NO71773A patent/NO132275C/no unknown
- 1973-02-21 CA CA164,270A patent/CA1004782A/en not_active Expired
- 1973-02-21 DD DD16897673A patent/DD101650A5/xx unknown
- 1973-02-22 DE DE19732308815 patent/DE2308815C3/de not_active Expired
- 1973-02-22 JP JP2072573A patent/JPS5225027B2/ja not_active Expired
- 1973-02-22 AT AT157773A patent/AT320544B/de not_active IP Right Cessation
- 1973-02-22 FR FR7306256A patent/FR2173166A1/fr active Granted
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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