CN107986445A - A kind of waterfront area sewage water treatment method - Google Patents
A kind of waterfront area sewage water treatment method Download PDFInfo
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- CN107986445A CN107986445A CN201711495878.7A CN201711495878A CN107986445A CN 107986445 A CN107986445 A CN 107986445A CN 201711495878 A CN201711495878 A CN 201711495878A CN 107986445 A CN107986445 A CN 107986445A
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- Prior art keywords
- sewage
- aerobic biochemical
- pond
- biochemical pool
- cod
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- 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
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of waterfront area sewage water treatment method, the activated sludge of the high salinity sewage disposal in suitable harbour area is raised and train out by shallow sea mud, then waterfront area sewage is handled by the activated sludge, present invention efficiently solves coastal area high salt municipal wastewater to be difficult to biochemical treatment problem, has the characteristics that culture is simple, lower-cost.
Description
Technical field
The present invention relates to sewage treatment field, more particularly, to a kind of waterfront area sewage water treatment method.
Background technology
Now, developing rapidly due to modern industry, the pollution of water resource is increasingly severe, how effectively to handle dirt
Water, is paid more and more attention.Activated sludge process is the main method of the Sewage Biological Treatment based on activated sludge.Activated sludge
Method is that air is continuously passed through into sewage, the sludge-like flocculate through being formed after a certain period of time by aerobic microorganism breeding；
The micropopulation based on zoogloea is inhabited thereon, the ability with very strong absorption and oxidation of organic compounds.
Existing activated sludge is chiefly used in conventional trade effluent and sanitary sewage, and coastal area oozing due to seawater
Thoroughly, cause that chloride ion content in its sewage is higher, and conventional sludge is not suitable for this high-salt sewage, this, which becomes, perplexs many edges
The first-class problem of extra large urban wastewater treatment firm operation.
The content of the invention
Problem to be solved by this invention is, for it is above-mentioned in the prior art the shortcomings that, propose innovation scheme, especially one
Kind can effectively solve the problem that the scheme for improving the high salinity sewage treating efficiency problem of waterfront area.
To solve the above problems, the scheme that the present invention uses is as follows：A kind of waterfront area sewage water treatment method, its feature exist
In including the following steps：
Pretreatment：The shallow sea mud that pond holds 2%-4% is added into aerobic biochemical pool, pond is then added and holds 30%-50%, COD 250
The sewage of~350mg/L, lasting aeration, and nutriment is added according to COD during aeration, it is aerated to the degradation rate of COD and reaches
45%-50% stops aeration；
Shunting is handled：Take in half aerobic biochemical pool by the sludge of aeration, inject in anaerobic biological pond, carry out sealing stirring training
Support, when 10-15 is small；
Sewage disposal：Waterfront area sewage is injected into aerobic biochemical pool, injects the pond appearance that sewage reaches aerobic biochemical pool for the first time
When 70%, stop injection；After when aerobic biochemical pool Air Exposure 5 is small, by the 35% sewage injection anaerobism life in aerobic biochemical pool
Change pond in, then proceed into aerobic biochemical pool inject waterfront area sewage, when sewage disposal 6 is small in anaerobic biological pond after, open
Open the sewage that is continuously injected into aerobic biochemical pool and anaerobic biological pond, the 5-8% that rate of water exchange holds for pond per hour.
Further, the waterfront area sewage water treatment method according to above-mentioned designing scheme, it is characterised in that described pretreated
Aerobic biochemical pool dissolved oxygen is controlled in journey in 2~3mg/L, is 150~250mg/L by adding nutriment to adjust COD.
Further, the waterfront area sewage water treatment method according to above-mentioned designing scheme, it is characterised in that the shunting processing
During seal stir culture for often stirring 1 it is small when it is static 2 it is small when.
Further, the waterfront area sewage water treatment method according to above-mentioned designing scheme, it is characterised in that the aerobic biochemical
Pond controls dissolved oxygen in 2~3mg/L all the time in pretreatment, shunting processing and sewage disposal process, by adding nutriment
Adjustment COD is 150~250mg/L.
The technique effect of the present invention is as follows：The application raises and train out the high salinity sewage in suitable harbour area by shallow sea mud
The activated sludge of processing, then handles waterfront area sewage, present invention efficiently solves coastal area by the activated sludge
High salt municipal wastewater is difficult to biochemical treatment problem, has the characteristics that culture is simple, lower-cost.
Brief description of the drawings
Fig. 1 is to use the present processes treated sewage ammonia nitrogen removal design sketch.
Fig. 2 is to use the present processes treated sewage COD removal effect figures.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
Embodiment 1：A kind of waterfront area sewage water treatment method, includes the following steps：
Pretreatment：The shallow sea mud that pond holds 2%-4% is added into aerobic biochemical pool, pond is then added and holds 30%-50%, COD 250
The sewage of~350mg/L, lasting aeration, and nutriment is added according to COD during aeration, it is aerated to the degradation rate of COD and reaches
45%-50% stops aeration；
Shunting is handled：Take in half aerobic biochemical pool by the sludge of aeration, inject in anaerobic biological pond, carry out sealing stirring training
Support, when 10-15 is small；
Sewage disposal：Waterfront area sewage is injected into aerobic biochemical pool, injects the pond appearance that sewage reaches aerobic biochemical pool for the first time
When 70%, stop injection；After when aerobic biochemical pool Air Exposure 5 is small, by the 35% sewage injection anaerobism life in aerobic biochemical pool
Change pond in, then proceed into aerobic biochemical pool inject waterfront area sewage, when sewage disposal 6 is small in anaerobic biological pond after, open
Open the sewage that is continuously injected into aerobic biochemical pool and anaerobic biological pond, the 5-8% that rate of water exchange holds for pond per hour.
Embodiment 2：A kind of waterfront area sewage water treatment method, includes the following steps：
Pretreatment：The shallow sea mud that pond holds 2%-4% is added into aerobic biochemical pool, pond is then added and holds 30%-50%, COD 250
The sewage of~350mg/L, lasting aeration, and nutriment is added according to COD during aeration, it is aerated to the degradation rate of COD and reaches
45%-50% stops aeration；And aerobic biochemical pool dissolved oxygen is in 2~3mg/L, by add nutriment adjust COD for 150~
250mg/L。
Shunting is handled：Take in half aerobic biochemical pool by the sludge of aeration, inject in anaerobic biological pond, carry out sealing and stir
Culture is mixed, when 10-15 is small；
Sewage disposal：Waterfront area sewage is injected into aerobic biochemical pool, injects the pond appearance that sewage reaches aerobic biochemical pool for the first time
When 70%, stop injection；After when aerobic biochemical pool Air Exposure 5 is small, by the 35% sewage injection anaerobism life in aerobic biochemical pool
Change pond in, then proceed into aerobic biochemical pool inject waterfront area sewage, when sewage disposal 6 is small in anaerobic biological pond after, open
Open the sewage that is continuously injected into aerobic biochemical pool and anaerobic biological pond, the 5-8% that rate of water exchange holds for pond per hour.
Embodiment 3：A kind of waterfront area sewage water treatment method, includes the following steps：
Pretreatment：The shallow sea mud that pond holds 2%-4% is added into aerobic biochemical pool, pond is then added and holds 30%-50%, COD 250
The sewage of~350mg/L, lasting aeration, and nutriment is added according to COD during aeration, it is aerated to the degradation rate of COD and reaches
45%-50% stops aeration；
Shunting is handled：Take in half aerobic biochemical pool by the sludge of aeration, inject in anaerobic biological pond, carry out sealing stirring training
Support, when 10-15 is small；And seal stir culture for often stirring 1 it is small when it is static 2 it is small when；
Sewage disposal：Waterfront area sewage is injected into aerobic biochemical pool, injects the pond appearance that sewage reaches aerobic biochemical pool for the first time
When 70%, stop injection；After when aerobic biochemical pool Air Exposure 5 is small, by the 35% sewage injection anaerobism life in aerobic biochemical pool
Change pond in, then proceed into aerobic biochemical pool inject waterfront area sewage, when sewage disposal 6 is small in anaerobic biological pond after, open
Open the sewage that is continuously injected into aerobic biochemical pool and anaerobic biological pond, the 5-8% that rate of water exchange holds for pond per hour.
Embodiment 4：A kind of waterfront area sewage water treatment method, includes the following steps：
Pretreatment：The shallow sea mud that pond holds 2%-4% is added into aerobic biochemical pool, pond is then added and holds 30%-50%, COD 250
The sewage of~350mg/L, lasting aeration, and nutriment is added according to COD during aeration, it is aerated to the degradation rate of COD and reaches
45%-50% stops aeration；
Shunting is handled：Take in half aerobic biochemical pool by the sludge of aeration, inject in anaerobic biological pond, carry out sealing stirring training
Support, when 10-15 is small；
Sewage disposal：Waterfront area sewage is injected into aerobic biochemical pool, injects the pond appearance that sewage reaches aerobic biochemical pool for the first time
When 70%, stop injection；After when aerobic biochemical pool Air Exposure 5 is small, by the 35% sewage injection anaerobism life in aerobic biochemical pool
Change pond in, then proceed into aerobic biochemical pool inject waterfront area sewage, when sewage disposal 6 is small in anaerobic biological pond after, open
Open the sewage that is continuously injected into aerobic biochemical pool and anaerobic biological pond, the 5-8% that rate of water exchange holds for pond per hour；
The aerobic biochemical pool controls dissolved oxygen in 2~3mg/L all the time in pretreatment, shunting processing and sewage disposal process,
It is 150~250mg/L by adding nutriment to adjust COD.
Claims (4)
1. a kind of waterfront area sewage water treatment method, it is characterised in that include the following steps：
Pretreatment：The shallow sea mud that pond holds 2%-4% is added into aerobic biochemical pool, pond is then added and holds 30%-50%, COD 250
The sewage of~350mg/L, lasting aeration, and nutriment is added according to COD during aeration, it is aerated to the degradation rate of COD and reaches
45%-50% stops aeration；
Shunting is handled：Take in half aerobic biochemical pool by the sludge of aeration, inject in anaerobic biological pond, carry out sealing stirring training
Support, when 10-15 is small；
Sewage disposal：Waterfront area sewage is injected into aerobic biochemical pool, injects the pond appearance that sewage reaches aerobic biochemical pool for the first time
When 70%, stop injection；After when aerobic biochemical pool Air Exposure 5 is small, by the 35% sewage injection anaerobism life in aerobic biochemical pool
Change pond in, then proceed into aerobic biochemical pool inject waterfront area sewage, when sewage disposal 6 is small in anaerobic biological pond after, open
Open the sewage that is continuously injected into aerobic biochemical pool and anaerobic biological pond, the 5-8% that rate of water exchange holds for pond per hour.
2. waterfront area sewage water treatment method according to claim 1, it is characterised in that controlled in the preprocessing process aerobic
Biochemistry pool dissolved oxygen is 150~250mg/L by adding nutriment to adjust COD in 2~3mg/L.
3. waterfront area sewage water treatment method according to claim 1, it is characterised in that seal and stir in the shunting processing procedure
Mix culture for often stirring 1 it is small when it is static 2 it is small when.
4. waterfront area sewage water treatment method according to claim 1, it is characterised in that the aerobic biochemical pool pretreatment,
Dissolved oxygen is controlled all the time in 2~3mg/L in shunting processing and sewage disposal process, is 150 by adding nutriment to adjust COD
~250mg/L.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495878.7A CN107986445A (en) | 2017-12-31 | 2017-12-31 | A kind of waterfront area sewage water treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495878.7A CN107986445A (en) | 2017-12-31 | 2017-12-31 | A kind of waterfront area sewage water treatment method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010533572A (en) * | 2007-08-08 | 2010-10-28 | 彭光浩 | Method for removing carbon and nitrogen contaminants in contaminated water using heterotrophic ammonia oxidizing bacteria |
| CN102502955A (en) * | 2011-12-26 | 2012-06-20 | 唐山海港开发区污水处理有限公司 | Activated sludge culture method suitable for high-salt sewage |
| JP2013184074A (en) * | 2012-03-05 | 2013-09-19 | Seinen:Kk | Biological treatment agent |
| CN105692902A (en) * | 2016-04-03 | 2016-06-22 | 北京工业大学 | Double-particle sludge integrated technique for treating municipal domestic sewage |
| CN106746152A (en) * | 2015-11-19 | 2017-05-31 | 中国科学院过程工程研究所 | A kind of processing system and processing method of difficult degradation ammonia nitrogen waste water |
| CN106865773A (en) * | 2017-04-07 | 2017-06-20 | 北京工业大学 | Add the apparatus and method that azanol realizes part short distance nitration Anammox |
-
2017
- 2017-12-31 CN CN201711495878.7A patent/CN107986445A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010533572A (en) * | 2007-08-08 | 2010-10-28 | 彭光浩 | Method for removing carbon and nitrogen contaminants in contaminated water using heterotrophic ammonia oxidizing bacteria |
| CN102502955A (en) * | 2011-12-26 | 2012-06-20 | 唐山海港开发区污水处理有限公司 | Activated sludge culture method suitable for high-salt sewage |
| JP2013184074A (en) * | 2012-03-05 | 2013-09-19 | Seinen:Kk | Biological treatment agent |
| CN106746152A (en) * | 2015-11-19 | 2017-05-31 | 中国科学院过程工程研究所 | A kind of processing system and processing method of difficult degradation ammonia nitrogen waste water |
| CN105692902A (en) * | 2016-04-03 | 2016-06-22 | 北京工业大学 | Double-particle sludge integrated technique for treating municipal domestic sewage |
| CN106865773A (en) * | 2017-04-07 | 2017-06-20 | 北京工业大学 | Add the apparatus and method that azanol realizes part short distance nitration Anammox |
Non-Patent Citations (1)
| Title |
|---|
| 陈碧美: "《污水处理系统运行与管理》", 31 July 2015 * |
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Application publication date: 20180504 |