IT7919861A0 - Metodo ed apparecchio per addensare fango in particolare fango attivato. - Google Patents
Metodo ed apparecchio per addensare fango in particolare fango attivato.Info
- Publication number
- IT7919861A0 IT7919861A0 IT7919861A IT1986179A IT7919861A0 IT 7919861 A0 IT7919861 A0 IT 7919861A0 IT 7919861 A IT7919861 A IT 7919861A IT 1986179 A IT1986179 A IT 1986179A IT 7919861 A0 IT7919861 A0 IT 7919861A0
- Authority
- IT
- Italy
- Prior art keywords
- mud
- thickening
- particular activated
- activated mud
- activated
- Prior art date
Links
- 230000008719 thickening Effects 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
- B01D33/742—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate containing fixed liquid displacement elements or cores
-
- 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Paper (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB22250/78A GB1602677A (en) | 1978-05-25 | 1978-05-25 | Sludge thickening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7919861A0 true IT7919861A0 (it) | 1979-02-02 |
| IT1110299B IT1110299B (it) | 1985-12-23 |
Family
ID=10176330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT19861/79A IT1110299B (it) | 1978-05-25 | 1979-02-02 | Metodo ed apparecchio per addensare fango in particolare fango attivato |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS54154156A (it) |
| AU (1) | AU522671B2 (it) |
| BE (1) | BE873750A (it) |
| BR (1) | BR7901677A (it) |
| CA (1) | CA1106510A (it) |
| DE (1) | DE2905213A1 (it) |
| DK (1) | DK156640C (it) |
| ES (1) | ES476440A1 (it) |
| FR (1) | FR2426485B1 (it) |
| GB (1) | GB1602677A (it) |
| HK (1) | HK2683A (it) |
| IE (1) | IE47620B1 (it) |
| IT (1) | IT1110299B (it) |
| LU (1) | LU80836A1 (it) |
| NL (1) | NL181101C (it) |
| NO (1) | NO790075L (it) |
| NZ (1) | NZ189221A (it) |
| PT (1) | PT69163A (it) |
| SE (1) | SE7900478L (it) |
| ZA (1) | ZA79150B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2068761B (en) * | 1980-02-01 | 1984-04-26 | Hartley Simon Ltd | Method and apparatus for dewatering sludge |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3531404A (en) * | 1968-04-01 | 1970-09-29 | Union Tank Car Co | Sewage treatment system |
| BE795268A (fr) * | 1971-08-27 | 1973-05-29 | Sanko Chemical Co Ltd | Feuilles a usage graphique sensibles a la pression |
| GB1418577A (en) * | 1973-05-29 | 1975-12-24 | Machinenfabriek W Hubert Co Bv | Method and apparatus for dewatering sludge |
| DE2343324A1 (de) * | 1973-08-28 | 1975-03-20 | Albert Baehr | Filterpresse, insbesondere zur entwaesserung von schlamm in abwasserklaeranlagen |
| FR2296453A2 (fr) * | 1974-06-10 | 1976-07-30 | Meyer Jacques | Perfectionnement au procede de decolmatage et d'entretien des toiles filtrantes, et dispositif pour sa mise en oeuvre |
| JPS5117142A (en) * | 1974-08-01 | 1976-02-10 | Sanei Chubo Kk | Kakupaipuno enkyokubukeiseihohoo |
| JPS534343A (en) * | 1976-06-16 | 1978-01-14 | Organo Kk | Treating method for dehydrating sewage |
-
1978
- 1978-05-25 GB GB22250/78A patent/GB1602677A/en not_active Expired
- 1978-12-15 CA CA318,060A patent/CA1106510A/en not_active Expired
- 1978-12-19 IE IE2511/78A patent/IE47620B1/en unknown
- 1978-12-19 NZ NZ189221A patent/NZ189221A/xx unknown
- 1978-12-28 ES ES476440A patent/ES476440A1/es not_active Expired
-
1979
- 1979-01-08 NL NLAANVRAGE7900125,A patent/NL181101C/xx not_active IP Right Cessation
- 1979-01-10 NO NO790075A patent/NO790075L/no unknown
- 1979-01-15 ZA ZA79150A patent/ZA79150B/xx unknown
- 1979-01-18 SE SE7900478A patent/SE7900478L/xx not_active Application Discontinuation
- 1979-01-26 FR FR7902003A patent/FR2426485B1/fr not_active Expired
- 1979-01-26 LU LU80836A patent/LU80836A1/xx unknown
- 1979-01-26 BE BE193113A patent/BE873750A/xx not_active IP Right Cessation
- 1979-01-31 PT PT197969163A patent/PT69163A/pt unknown
- 1979-02-02 IT IT19861/79A patent/IT1110299B/it active
- 1979-02-12 DE DE19792905213 patent/DE2905213A1/de active Granted
- 1979-02-19 JP JP1827879A patent/JPS54154156A/ja active Pending
- 1979-03-19 BR BR7901677A patent/BR7901677A/pt unknown
- 1979-04-20 DK DK164179A patent/DK156640C/da not_active IP Right Cessation
- 1979-05-07 AU AU46822/79A patent/AU522671B2/en not_active Expired
-
1983
- 1983-01-20 HK HK26/83A patent/HK2683A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1110299B (it) | 1985-12-23 |
| JPS54154156A (en) | 1979-12-05 |
| DK164179A (da) | 1979-11-26 |
| CA1106510A (en) | 1981-08-04 |
| DK156640B (da) | 1989-09-18 |
| PT69163A (en) | 1979-01-31 |
| DK156640C (da) | 1990-01-29 |
| ZA79150B (en) | 1980-01-30 |
| IE47620B1 (en) | 1984-05-02 |
| NL7900125A (nl) | 1979-11-27 |
| LU80836A1 (fr) | 1979-06-05 |
| NL181101B (nl) | 1987-01-16 |
| NL181101C (nl) | 1987-06-16 |
| GB1602677A (en) | 1981-11-11 |
| HK2683A (en) | 1983-01-20 |
| IE782511L (en) | 1979-11-25 |
| BR7901677A (pt) | 1979-12-04 |
| FR2426485B1 (fr) | 1986-10-24 |
| DE2905213A1 (de) | 1979-11-29 |
| NZ189221A (en) | 1980-04-28 |
| FR2426485A1 (fr) | 1979-12-21 |
| DE2905213C2 (it) | 1988-10-06 |
| ES476440A1 (es) | 1979-05-01 |
| AU4682279A (en) | 1979-11-29 |
| NO790075L (no) | 1979-11-27 |
| BE873750A (fr) | 1979-05-16 |
| AU522671B2 (en) | 1982-06-17 |
| SE7900478L (sv) | 1979-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970131 |