IT986840B - Procedimento e dispositivo per la depurazione di liquidi contenenti sostanze in sospensione - Google Patents
Procedimento e dispositivo per la depurazione di liquidi contenenti sostanze in sospensioneInfo
- Publication number
- IT986840B IT986840B IT13082/72A IT1308272A IT986840B IT 986840 B IT986840 B IT 986840B IT 13082/72 A IT13082/72 A IT 13082/72A IT 1308272 A IT1308272 A IT 1308272A IT 986840 B IT986840 B IT 986840B
- Authority
- IT
- Italy
- Prior art keywords
- purification
- procedure
- liquids containing
- containing suspension
- suspension substances
- 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
- C02F1/5281—Installations for water purification using chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
- B01D24/4689—Displacement of the filtering material to a compartment of the filtering device for regeneration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General 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)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT12872A AT312001B (de) | 1972-01-07 | 1972-01-07 | Verfahren und Vorrichtung zum Reinigen von Schwebstoffe enthaltenden Flüssigkeiten |
Publications (1)
Publication Number | Publication Date |
---|---|
IT986840B true IT986840B (it) | 1975-01-30 |
Family
ID=3482257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT13082/72A IT986840B (it) | 1972-01-07 | 1972-12-13 | Procedimento e dispositivo per la depurazione di liquidi contenenti sostanze in sospensione |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT312001B (it) |
CH (1) | CH547112A (it) |
DE (1) | DE2262599A1 (it) |
FR (1) | FR2166378A1 (it) |
IT (1) | IT986840B (it) |
ZA (1) | ZA728554B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE429128B (sv) * | 1976-11-29 | 1983-08-15 | Nordstjernan Rederi Ab | Forfarande for separering av fororeningar i vattensuspensioner eller -emulsioner |
US4257896A (en) * | 1978-05-24 | 1981-03-24 | Takeda Chemical Industries, Ltd. | Countercurrent liquid-solid contacting apparatus |
FR2446259A1 (fr) * | 1979-01-12 | 1980-08-08 | Degremont | Procede et appareil pour l'elimination de la pollution azotee des eaux |
AT389297B (de) * | 1982-07-23 | 1989-11-10 | Waagner Biro Ag | Verfahren zur herstellung einer klaren fluessigkeit und klaereinrichtung |
AU657130B2 (en) * | 1991-05-22 | 1995-03-02 | Baker Hughes Incorporated | Continuous backwash filter and method of operation |
FR2785899B1 (fr) | 1998-11-18 | 2001-01-19 | Omnium Traitement Valorisa | Procede de traitement d'eau par flocs lestes integrant un recyclage de materiau granulaire mettant en oeuvre un hydrocyclone correspondant |
-
1972
- 1972-01-07 AT AT12872A patent/AT312001B/de not_active IP Right Cessation
- 1972-12-01 CH CH1752072A patent/CH547112A/xx not_active IP Right Cessation
- 1972-12-04 ZA ZA728554A patent/ZA728554B/xx unknown
- 1972-12-13 IT IT13082/72A patent/IT986840B/it active
- 1972-12-21 DE DE2262599A patent/DE2262599A1/de active Pending
- 1972-12-28 FR FR7246629A patent/FR2166378A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AT312001B (de) | 1973-12-10 |
CH547112A (de) | 1974-03-29 |
ZA728554B (en) | 1973-08-29 |
FR2166378A1 (en) | 1973-08-17 |
DE2262599A1 (de) | 1973-07-12 |
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