RU2008138293A - METHOD FOR TREATMENT OF SEDIMENTS OF WASTE WATER, OVER ACTIVE Sludge And Oil Sludge - Google Patents
METHOD FOR TREATMENT OF SEDIMENTS OF WASTE WATER, OVER ACTIVE Sludge And Oil Sludge Download PDFInfo
- Publication number
- RU2008138293A RU2008138293A RU2008138293/15A RU2008138293A RU2008138293A RU 2008138293 A RU2008138293 A RU 2008138293A RU 2008138293/15 A RU2008138293/15 A RU 2008138293/15A RU 2008138293 A RU2008138293 A RU 2008138293A RU 2008138293 A RU2008138293 A RU 2008138293A
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- RU
- Russia
- Prior art keywords
- sludge
- calcium
- oil
- carried out
- treatment
- Prior art date
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- 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
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Treatment Of Sludge (AREA)
- Paper (AREA)
Abstract
1. Способ переработки осадков сточных вод, избыточного активного ила и нефтешламов, включающий их механическое обезвоживание и низкотемпературный пиролиз, отличающийся тем, что осадки, избыточный активный ил или нефтешлам предварительно обрабатывают кальцийсодержащим реагентом. ! 2. Способ по п.1, отличающийся тем, что в качестве кальцийсодержащего реагента используют известняк или негашеную известь в соотношении 0,5-2,0 частей реагента в пересчете на CaO на 100 частей осадка и pH смеси 8,0-9,5. ! 3. Способ по п.1, отличающийся тем, что обработку осадков, избыточного активного ила или нефтешлама кальцийсодержащим реагентом осуществляют путем перемешивания в течение 3 ч, а механическое обезвоживание осуществляют до остаточной влажности 15-20%. ! 4. Способ по п.1, отличающийся тем, что пиролиз проводят при температуре 450-500°С в течение 40 мин.1. A method of processing sewage sludge, excess activated sludge and oil sludge, including mechanical dehydration and low temperature pyrolysis, characterized in that sludge, excess activated sludge or oil sludge are pretreated with a calcium-containing reagent. ! 2. The method according to claim 1, characterized in that as a calcium-containing reagent, limestone or quicklime is used in a ratio of 0.5-2.0 parts of the reagent in terms of CaO per 100 parts of sludge and the pH of the mixture is 8.0-9.5 . ! 3. The method according to claim 1, characterized in that the treatment of sludge, excess activated sludge or oil sludge with a calcium-containing reagent is carried out by stirring for 3 hours, and mechanical dehydration is carried out to a residual moisture content of 15-20%. ! 4. The method according to claim 1, characterized in that the pyrolysis is carried out at a temperature of 450-500 ° C for 40 minutes
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008138293/15A RU2008138293A (en) | 2008-09-25 | 2008-09-25 | METHOD FOR TREATMENT OF SEDIMENTS OF WASTE WATER, OVER ACTIVE Sludge And Oil Sludge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008138293/15A RU2008138293A (en) | 2008-09-25 | 2008-09-25 | METHOD FOR TREATMENT OF SEDIMENTS OF WASTE WATER, OVER ACTIVE Sludge And Oil Sludge |
Publications (1)
Publication Number | Publication Date |
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RU2008138293A true RU2008138293A (en) | 2010-03-27 |
Family
ID=42138139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2008138293/15A RU2008138293A (en) | 2008-09-25 | 2008-09-25 | METHOD FOR TREATMENT OF SEDIMENTS OF WASTE WATER, OVER ACTIVE Sludge And Oil Sludge |
Country Status (1)
Country | Link |
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RU (1) | RU2008138293A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108249720A (en) * | 2018-03-13 | 2018-07-06 | 山东金孚环境工程有限公司 | A kind of method that mechanical dehydration coupling desiccation pyrolysis prepares sludge carbon |
-
2008
- 2008-09-25 RU RU2008138293/15A patent/RU2008138293A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108249720A (en) * | 2018-03-13 | 2018-07-06 | 山东金孚环境工程有限公司 | A kind of method that mechanical dehydration coupling desiccation pyrolysis prepares sludge carbon |
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