RU2075198C1 - METHOD FOR DISINFECTING WASTEWATER SEDIMENTS - Google Patents
METHOD FOR DISINFECTING WASTEWATER SEDIMENTS Download PDFInfo
- Publication number
- RU2075198C1 RU2075198C1 RU95102205/26A RU95102205A RU2075198C1 RU 2075198 C1 RU2075198 C1 RU 2075198C1 RU 95102205/26 A RU95102205/26 A RU 95102205/26A RU 95102205 A RU95102205 A RU 95102205A RU 2075198 C1 RU2075198 C1 RU 2075198C1
- Authority
- RU
- Russia
- Prior art keywords
- heat treatment
- temperature
- flue gases
- cooled
- layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 230000000249 desinfective effect Effects 0.000 title abstract 2
- 239000013049 sediment Substances 0.000 title 1
- 239000002351 wastewater Substances 0.000 title 1
- 239000003546 flue gas Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 3
- 239000002826 coolant Substances 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000010801 sewage sludge Substances 0.000 abstract 1
Landscapes
- Treatment Of Sludge (AREA)
- Treating Waste Gases (AREA)
Abstract
1. Способ обеззараживания осадков сточных вод, включающий предварительное обезвоживание, гранулирование, термообработку и очистку газовых выбросов, отличающийся тем, что термообработку ведут в псевдоожиженном слое в две стадии при использовании в качестве теплоносителя топочных газов, подаваемых с температурой 200 - 400С, при этом на первой стадии поддерживают температуру в слое 60 - 85С, а на второй - 120 - 140C, затем полученные гранулы охлаждают.2. Способ по п.1, отличающийся тем, что топочные газы на первой стадии термообработки подают со скоростью 5 - 12 м/сек.3. Способ по п.1, отличающийся тем, что для регулирования температуры в слое используют охлажденные и обеспыленные топочные газы.1. A method of disinfecting sewage sludge, including preliminary dehydration, granulation, heat treatment and purification of gas emissions, characterized in that the heat treatment is carried out in a fluidized bed in two stages when using flue gases supplied with a temperature of 200 - 400 ° C as a coolant, while the first stage maintain the temperature in the layer 60 - 85C, and in the second - 120 - 140C, then the obtained granules are cooled. 2. The method according to claim 1, characterized in that the flue gases in the first stage of heat treatment are supplied at a speed of 5-12 m / s. The method according to claim 1, characterized in that to control the temperature in the layer using cooled and dedusted flue gases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU95102205/26A RU2075198C1 (en) | 1995-02-15 | 1995-02-15 | METHOD FOR DISINFECTING WASTEWATER SEDIMENTS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU95102205/26A RU2075198C1 (en) | 1995-02-15 | 1995-02-15 | METHOD FOR DISINFECTING WASTEWATER SEDIMENTS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU95102205A RU95102205A (en) | 1996-04-27 |
| RU2075198C1 true RU2075198C1 (en) | 1997-03-10 |
Family
ID=48434533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU95102205/26A RU2075198C1 (en) | 1995-02-15 | 1995-02-15 | METHOD FOR DISINFECTING WASTEWATER SEDIMENTS |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2075198C1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8465652B2 (en) | 2009-12-25 | 2013-06-18 | Twin Trading Company | Method for disinfecting sewage sludge |
| RU172829U1 (en) * | 2016-03-09 | 2017-07-26 | федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) | Device for decontamination and disposal of sludge from sewage treatment plants |
-
1995
- 1995-02-15 RU RU95102205/26A patent/RU2075198C1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8465652B2 (en) | 2009-12-25 | 2013-06-18 | Twin Trading Company | Method for disinfecting sewage sludge |
| RU172829U1 (en) * | 2016-03-09 | 2017-07-26 | федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) | Device for decontamination and disposal of sludge from sewage treatment plants |
Also Published As
| Publication number | Publication date |
|---|---|
| RU95102205A (en) | 1996-04-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20130216 |