BR9301674A - Tratamento de esgotos combinado por digestão anaeróbica coagulação, floculação e flotação - Google Patents
Tratamento de esgotos combinado por digestão anaeróbica coagulação, floculação e flotaçãoInfo
- Publication number
- BR9301674A BR9301674A BR9301674A BR9301674A BR9301674A BR 9301674 A BR9301674 A BR 9301674A BR 9301674 A BR9301674 A BR 9301674A BR 9301674 A BR9301674 A BR 9301674A BR 9301674 A BR9301674 A BR 9301674A
- Authority
- BR
- Brazil
- Prior art keywords
- flocculation
- flotation
- coagulation
- sewage treatment
- anaerobic digestion
- Prior art date
Links
- 230000015271 coagulation Effects 0.000 title 1
- 238000005345 coagulation Methods 0.000 title 1
- 230000029087 digestion Effects 0.000 title 1
- 238000005189 flocculation Methods 0.000 title 1
- 230000016615 flocculation Effects 0.000 title 1
- 238000005188 flotation Methods 0.000 title 1
- 239000010865 sewage Substances 0.000 title 1
Classifications
-
- Y02W10/12—
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR9301674A BR9301674A (pt) | 1993-04-23 | 1993-04-23 | Tratamento de esgotos combinado por digestão anaeróbica coagulação, floculação e flotação |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR9301674A BR9301674A (pt) | 1993-04-23 | 1993-04-23 | Tratamento de esgotos combinado por digestão anaeróbica coagulação, floculação e flotação |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9301674A true BR9301674A (pt) | 1994-11-08 |
Family
ID=4056342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9301674A BR9301674A (pt) | 1993-04-23 | 1993-04-23 | Tratamento de esgotos combinado por digestão anaeróbica coagulação, floculação e flotação |
Country Status (1)
| Country | Link |
|---|---|
| BR (1) | BR9301674A (pt) |
-
1993
- 1993-04-23 BR BR9301674A patent/BR9301674A/pt not_active IP Right Cessation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EE | Request for examination | ||
| FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
| FF | Decision: intention to grant | ||
| FG9A | Patent or certificate of addition granted | ||
| KD1 | Payment of complementary fee requested | ||
| B24C | Patent annual fee: request for for restoration | ||
| B24D | Patent annual fee: restoration after fee payment | ||
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 23/04/2013 |