FR2343702B1 - - Google Patents
Info
- Publication number
- FR2343702B1 FR2343702B1 FR7706943A FR7706943A FR2343702B1 FR 2343702 B1 FR2343702 B1 FR 2343702B1 FR 7706943 A FR7706943 A FR 7706943A FR 7706943 A FR7706943 A FR 7706943A FR 2343702 B1 FR2343702 B1 FR 2343702B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/03—Processes of filtration using flocculating 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (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)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2552676A JPS52109481A (en) | 1976-03-11 | 1976-03-11 | Reforming of sludge |
| JP4120176A JPS52124464A (en) | 1976-04-14 | 1976-04-14 | Reforming process of living thing group sludge |
| JP5611476A JPS52139258A (en) | 1976-05-18 | 1976-05-18 | Modifying method of biological sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2343702A1 FR2343702A1 (fr) | 1977-10-07 |
| FR2343702B1 true FR2343702B1 (https=) | 1983-07-08 |
Family
ID=27285049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7706943A Granted FR2343702A1 (fr) | 1976-03-11 | 1977-03-09 | Traitement ameliore d'une boue par addition de magnesie legerement calcinee |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4118319A (https=) |
| FR (1) | FR2343702A1 (https=) |
| GB (1) | GB1528294A (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4201668A (en) * | 1976-05-18 | 1980-05-06 | Toyo Soda Manufacturing Co. Ltd. | Treatment of sludge comprising biological aggregate |
| US4147665A (en) * | 1976-06-07 | 1979-04-03 | Agency Of Industrial Science & Technology | Magnesia adsorbent |
| DE2843053A1 (de) * | 1978-10-03 | 1980-04-24 | Bayer Ag | Faellmittel zur entphosphatisierung von abwasser und verfahren zu dessen herstellung |
| JP2716600B2 (ja) * | 1991-06-26 | 1998-02-18 | 神鋼パンテック株式会社 | 汚泥の電気浸透脱水方法 |
| US5833864A (en) * | 1995-02-10 | 1998-11-10 | Psc Technologies, Inc. | Method for the reduction and control of the release of gas and odors from sewage and waste water |
| AU2002236116A1 (en) * | 2001-04-10 | 2002-10-28 | Juan Amescua Rebollar | Method to treat soapy wastewater |
| US7285217B2 (en) * | 2003-12-02 | 2007-10-23 | Siemens Water Technologies Corp. | Removing odoriferous sulfides from wastewater |
| US7799224B2 (en) | 2008-01-30 | 2010-09-21 | Siemens Water Technologies Corp. | Wastewater treatment methods |
| CA2775335A1 (en) * | 2009-09-25 | 2011-03-31 | Siemens Industry, Inc. | Synergistic wastewater odor control composition, systems, and related methods therefor |
| US8430112B2 (en) | 2010-07-13 | 2013-04-30 | Siemens Industry, Inc. | Slurry feed system and method |
| US8968646B2 (en) | 2011-02-18 | 2015-03-03 | Evoqua Water Technologies Llc | Synergistic methods for odor control |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3262877A (en) * | 1964-11-05 | 1966-07-26 | Kimberly Clark Co | Water treatment process |
| US3399136A (en) * | 1965-10-20 | 1968-08-27 | Johns Manville | Removal of bacteria from aqueous liquids by filtration |
| US3377271A (en) * | 1966-05-31 | 1968-04-09 | William T Neiman | Process for the treatment of waste-containing waters |
| GB1318861A (en) * | 1969-03-02 | 1973-05-31 | Int Projects Corp Ltd | Waste treatment plants |
| SE347954B (https=) * | 1971-02-15 | 1972-08-21 | Gullhoegens Bruk Ab | |
| CA989079A (en) * | 1971-05-17 | 1976-05-11 | Toru Yoshii | Process for treating waste water |
| GB1361042A (en) * | 1971-06-16 | 1974-07-24 | Corson G & W H | Hardenable compositions and methods of preparing them |
| US3720608A (en) * | 1971-09-08 | 1973-03-13 | Bonham Grant & Brundage Ltd | Method and apparatus for conditioning and disposing of alum sludge from water treatment |
| DE2411346A1 (de) * | 1974-03-09 | 1975-09-18 | Metallgesellschaft Ag | Verfahren zur aufbereitung von waessrigen sauren schlaemmen |
-
1977
- 1977-03-03 US US05/774,051 patent/US4118319A/en not_active Expired - Lifetime
- 1977-03-09 FR FR7706943A patent/FR2343702A1/fr active Granted
- 1977-03-10 GB GB10210/77A patent/GB1528294A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2343702A1 (fr) | 1977-10-07 |
| GB1528294A (en) | 1978-10-11 |
| US4118319A (en) | 1978-10-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |