IT1088855B - TWO-ZONE PROCEDURE FOR THE BIOLOGICAL TREATMENT OF WASTE WATER - Google Patents
TWO-ZONE PROCEDURE FOR THE BIOLOGICAL TREATMENT OF WASTE WATERInfo
- Publication number
- IT1088855B IT1088855B IT2837977A IT2837977A IT1088855B IT 1088855 B IT1088855 B IT 1088855B IT 2837977 A IT2837977 A IT 2837977A IT 2837977 A IT2837977 A IT 2837977A IT 1088855 B IT1088855 B IT 1088855B
- Authority
- IT
- Italy
- Prior art keywords
- waste water
- biological treatment
- zone procedure
- zone
- procedure
- Prior art date
Links
- 239000002351 wastewater Substances 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
- C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
- B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/22—Activated sludge processes using circulation pipes
- C02F3/223—Activated sludge processes using circulation pipes using "air-lift"
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/22—Activated sludge processes using circulation pipes
- C02F3/226—"Deep shaft" processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73047876A | 1976-10-07 | 1976-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1088855B true IT1088855B (en) | 1985-06-10 |
Family
ID=24935524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2837977A IT1088855B (en) | 1976-10-07 | 1977-10-07 | TWO-ZONE PROCEDURE FOR THE BIOLOGICAL TREATMENT OF WASTE WATER |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5835118B2 (en) |
| AU (1) | AU515052B2 (en) |
| BE (1) | BE859489A (en) |
| DE (1) | DE2745312A1 (en) |
| FR (1) | FR2367024A1 (en) |
| GB (1) | GB1584065A (en) |
| IT (1) | IT1088855B (en) |
| NL (1) | NL7711035A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3028336C2 (en) * | 1980-07-25 | 1985-08-01 | Wilhelm Roediger Gmbh + Co, 6450 Hanau | Process for the biological purification of waste water |
-
1977
- 1977-10-06 FR FR7730117A patent/FR2367024A1/en active Granted
- 1977-10-06 AU AU29414/77A patent/AU515052B2/en not_active Expired
- 1977-10-07 JP JP52121337A patent/JPS5835118B2/en not_active Expired
- 1977-10-07 BE BE181546A patent/BE859489A/en not_active IP Right Cessation
- 1977-10-07 NL NL7711035A patent/NL7711035A/en not_active Application Discontinuation
- 1977-10-07 IT IT2837977A patent/IT1088855B/en active
- 1977-10-07 DE DE19772745312 patent/DE2745312A1/en not_active Ceased
- 1977-10-07 GB GB41898/77A patent/GB1584065A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2367024A1 (en) | 1978-05-05 |
| BE859489A (en) | 1978-04-07 |
| AU2941477A (en) | 1979-04-12 |
| FR2367024B1 (en) | 1982-11-12 |
| DE2745312A1 (en) | 1978-04-13 |
| AU515052B2 (en) | 1981-03-12 |
| JPS5346166A (en) | 1978-04-25 |
| JPS5835118B2 (en) | 1983-07-30 |
| GB1584065A (en) | 1981-02-04 |
| NL7711035A (en) | 1978-04-11 |
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