FI923315A0 - FOERFARANDE FOER FOERBAETTRANDE AV AVLOPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA. - Google Patents
FOERFARANDE FOER FOERBAETTRANDE AV AVLOPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA.Info
- Publication number
- FI923315A0 FI923315A0 FI923315A FI923315A FI923315A0 FI 923315 A0 FI923315 A0 FI 923315A0 FI 923315 A FI923315 A FI 923315A FI 923315 A FI923315 A FI 923315A FI 923315 A0 FI923315 A0 FI 923315A0
- Authority
- FI
- Finland
- Prior art keywords
- vattenavskiljningsfoermaoga
- avloppsvattenslammens
- foerfarande foer
- foerbaettrande
- foer foerbaettrande
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI923315A FI923315A (en) | 1992-07-21 | 1992-07-21 | FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA |
RU95107659/25A RU95107659A (en) | 1992-07-21 | 1993-07-21 | Process fro purifying aqueous waste pulp at forest industry enterprises |
AU45722/93A AU4572293A (en) | 1992-07-21 | 1993-07-21 | Process for purifying sludge containing mainly water |
EP93915980A EP0649390A1 (en) | 1992-07-21 | 1993-07-21 | Process for purifying sludge containing mainly water |
CA 2140631 CA2140631A1 (en) | 1992-07-21 | 1993-07-21 | Process for purifying sludge containing mainly water |
PCT/FI1993/000302 WO1994002424A1 (en) | 1992-07-21 | 1993-07-21 | Process for purifying sludge containing mainly water |
JP6503933A JPH07508924A (en) | 1992-07-21 | 1993-07-21 | Method for purifying sludge that mainly contains water |
NO950196A NO950196L (en) | 1992-07-21 | 1995-01-19 | Process of cleaning sludge, mainly containing water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI923315A FI923315A (en) | 1992-07-21 | 1992-07-21 | FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA |
Publications (2)
Publication Number | Publication Date |
---|---|
FI923315A0 true FI923315A0 (en) | 1992-07-21 |
FI923315A FI923315A (en) | 1994-01-22 |
Family
ID=8535637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI923315A FI923315A (en) | 1992-07-21 | 1992-07-21 | FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0649390A1 (en) |
JP (1) | JPH07508924A (en) |
AU (1) | AU4572293A (en) |
CA (1) | CA2140631A1 (en) |
FI (1) | FI923315A (en) |
RU (1) | RU95107659A (en) |
WO (1) | WO1994002424A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9411444D0 (en) * | 1994-06-08 | 1994-07-27 | Cdm Ab | Dewatering of suspensions |
GB2322128B (en) * | 1997-02-18 | 2001-08-15 | Acideka S A | Mixed coagulants |
BE1012286A3 (en) * | 1997-02-28 | 2000-09-05 | Acideka S A | Method for producing composite coagulants to clarify water, compositecoagulants obtained using said method and water clarification method withsaid composite coagulants |
NL1005503C2 (en) * | 1997-03-12 | 2000-02-23 | Acideka | Production of mixed coagulants for water clarification - comprising addition of a water-soluble cationic polymer derived from one or more vinyl monomer to an inorganic coagulant |
US6685834B1 (en) * | 1999-12-20 | 2004-02-03 | Kruger, Inc. | Method for conditioning and dewatering thermophilic aerobically digested biosolids |
US20090095678A1 (en) * | 2007-10-15 | 2009-04-16 | Musale Deepak A | Purification of oil sands pond water |
CN105217757A (en) * | 2015-10-22 | 2016-01-06 | 石家庄蓝江生物环保科技有限公司 | Inorganic whisker coagulating agent and its production and use |
EP3638630B1 (en) * | 2017-06-13 | 2023-06-07 | Kemira Oyj | Method for treating sludge |
CN114763272A (en) * | 2021-01-12 | 2022-07-19 | 轩德(深圳)环保科技有限公司 | Sludge reduction and harmless treatment method for composite coagulation solid-liquid separation |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3642619A (en) * | 1970-08-31 | 1972-02-15 | Calgon Corp | Conditioning sewage waste sludges for dewatering |
GB1512022A (en) * | 1976-08-05 | 1978-05-24 | Hemlab Ag | Flocculating agents for water treatment |
US4251363A (en) * | 1979-09-11 | 1981-02-17 | American Cyanamid Company | Anionic polymeric flocculant combinations for settling phosphate slimes |
DE3820110A1 (en) * | 1988-06-13 | 1989-12-14 | Nalco Chemical Co | Process for dewatering sewage sludges |
GB9021565D0 (en) * | 1990-10-04 | 1990-11-21 | Allied Colloids Ltd | Dewatering compositions and processes |
-
1992
- 1992-07-21 FI FI923315A patent/FI923315A/en not_active Application Discontinuation
-
1993
- 1993-07-21 CA CA 2140631 patent/CA2140631A1/en not_active Abandoned
- 1993-07-21 WO PCT/FI1993/000302 patent/WO1994002424A1/en not_active Application Discontinuation
- 1993-07-21 EP EP93915980A patent/EP0649390A1/en not_active Withdrawn
- 1993-07-21 JP JP6503933A patent/JPH07508924A/en active Pending
- 1993-07-21 RU RU95107659/25A patent/RU95107659A/en unknown
- 1993-07-21 AU AU45722/93A patent/AU4572293A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FI923315A (en) | 1994-01-22 |
WO1994002424A1 (en) | 1994-02-03 |
RU95107659A (en) | 1996-12-20 |
EP0649390A1 (en) | 1995-04-26 |
AU4572293A (en) | 1994-02-14 |
JPH07508924A (en) | 1995-10-05 |
CA2140631A1 (en) | 1994-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |