NO132275C - - Google Patents
Info
- Publication number
- NO132275C NO132275C NO71773A NO71773A NO132275C NO 132275 C NO132275 C NO 132275C NO 71773 A NO71773 A NO 71773A NO 71773 A NO71773 A NO 71773A NO 132275 C NO132275 C NO 132275C
- Authority
- NO
- Norway
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE216672A SE357950B (de) | 1972-02-22 | 1972-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO132275B NO132275B (de) | 1975-07-07 |
| NO132275C true NO132275C (de) | 1975-10-15 |
Family
ID=20259471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO71773A NO132275C (de) | 1972-02-22 | 1973-02-21 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5225027B2 (de) |
| AT (1) | AT320544B (de) |
| CA (1) | CA1004782A (de) |
| DD (1) | DD101650A5 (de) |
| DE (1) | DE2308815C3 (de) |
| FI (1) | FI57245C (de) |
| FR (1) | FR2173166A1 (de) |
| IT (1) | IT977422B (de) |
| NO (1) | NO132275C (de) |
| SE (1) | SE357950B (de) |
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 (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)
| 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 JP JP2072573A patent/JPS5225027B2/ja not_active Expired
- 1973-02-22 FR FR7306256A patent/FR2173166A1/fr active Granted
- 1973-02-22 AT AT157773A patent/AT320544B/de not_active IP Right Cessation
- 1973-02-22 DE DE19732308815 patent/DE2308815C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1004782A (en) | 1977-02-01 |
| JPS5225027B2 (de) | 1977-07-05 |
| FR2173166B1 (de) | 1976-11-05 |
| DE2308815A1 (de) | 1973-09-06 |
| DD101650A5 (de) | 1973-11-12 |
| FI57245C (fi) | 1980-07-10 |
| SE357950B (de) | 1973-07-16 |
| DE2308815B2 (de) | 1981-03-19 |
| NO132275B (de) | 1975-07-07 |
| FI57245B (fi) | 1980-03-31 |
| JPS4898653A (de) | 1973-12-14 |
| FR2173166A1 (en) | 1973-10-05 |
| AT320544B (de) | 1975-02-10 |
| IT977422B (it) | 1974-09-10 |
| DE2308815C3 (de) | 1982-01-28 |