CN109354320A - Complex biological filter denitrification system - Google Patents
Complex biological filter denitrification system Download PDFInfo
- Publication number
- CN109354320A CN109354320A CN201811435624.0A CN201811435624A CN109354320A CN 109354320 A CN109354320 A CN 109354320A CN 201811435624 A CN201811435624 A CN 201811435624A CN 109354320 A CN109354320 A CN 109354320A
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- CN
- China
- Prior art keywords
- complex biological
- biological filter
- weight
- parts
- denitrification system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
-
- 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
- C02F3/1236—Particular type of activated sludge installations
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of complex biological filter denitrification systems, including the complex biological filter, sand filter and clear water reserviors being sequentially communicated, filled with highly in the filtrate of 30 ~ 50cm in the complex biological filter, waterwater entrance is provided with below the filtrate, waste water and the carbon source of external addition enter complex biological filter together, the lower section of the filtrate is also communicated with Aeration fan and anti-gas blower, and the irrigation channel of the sand filter carries out dosing；The irrigation channel of clear water reserviors is added with disinfectant.Present system is suitable for mentioning for sewage plant and marks transformation and advanced treating, and system is to COD and NH3- N removal rate respectively reaches 89.4% and 96.8% or so.
Description
Technical field
The present invention relates to technical field of sewage to be suitable for more particularly to a kind of complex biological filter denitrification system
Sewage plant proposes mark transformation and advanced treating.
Background technique
Currently, including that coking, chemical industry, petrochemical industry, printing and dyeing, papermaking, medicine, pesticide, landfill leachate etc. are difficult to degrade nitrogenous has
Machine waste water, though ammonia nitrogen and most of organic matter can be effectively removed, still contains after secondary biochemical treatment in waste water
Certain density hardly degraded organic substance, nitrate nitrogen, organic nitrogen and ammonia nitrogen, secondary biochemical effluent biodegradability is very poor, needs to pass through
Advanced treating can be only achieved discharge and reuse requirement.
Carrier of the biofilter material as biomembrane, the selection of filtrate are the technology success or not keys of biological aerated filter
One, it determines that can waste water treatment system efficient operation.There are COD and NH for existing filtrate3- N removal rate is low, pressure resistance
Spend the problems such as low.
Summary of the invention
The purpose of the present invention is to provide a kind of complex biological filter denitrification systems, to overcome deficiency in the prior art.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of complex biological filter denitrification system, including be sequentially communicated complex biological filter, sand filtration
Pond and clear water reserviors,
The filtrate highly in 30 ~ 50cm is filled in the complex biological filter,
Waterwater entrance is provided with below the filtrate, waste water and the external carbon source added enter complex biological filter together,
The lower section of the filtrate is also communicated with Aeration fan and anti-gas blower,
The irrigation channel of the sand filter carries out dosing；
The irrigation channel of clear water reserviors is added with disinfectant.
Preferably, in above-mentioned complex biological filter denitrification system, the carbon source is methanol.
Preferably, in above-mentioned complex biological filter denitrification system, the medicine that the irrigation channel of sand filter adds is sodium acetate.
Preferably, in above-mentioned complex biological filter denitrification system, the disinfectant uses calcium hypochlorite or chlorine.
Preferably, in above-mentioned complex biological filter denitrification system, the filtrate filled in complex biological filter includes:
Recessed native 38 ~ 45 parts by weight；
55 ~ 65 parts by weight of diatomite；
3 ~ 8 parts by weight of flyash；
10 ~ 20 parts by weight of pore creating material.
Preferably, in above-mentioned complex biological filter denitrification system, the pore creating material uses starch.
Preferably, in above-mentioned complex biological filter denitrification system, the filtrate includes recessed native 40 parts by weight, diatomite
58 parts by weight, 5 parts by weight of flyash, 13 parts by weight of starch.
Preferably, in above-mentioned complex biological filter denitrification system, the preparation method of filtrate includes:
(1), by recessed native 38 ~ 45 parts by weight, 55 ~ 65 parts by weight of diatomite, 3 ~ 8 parts by weight of flyash, 10 ~ 20 parts by weight of pore creating material
Premixing obtains powder, and water is added and further mixes；
(2), dry pressure formed using half, diameter is obtained in the bead of 10 ~ 13mm；
(3), 1 ~ 4 hour dry under the conditions of 50 ~ 70 DEG C, it is 1 ~ 4 hour dry to then heat to 90 ~ 120 DEG C of conditions；
(4), it is sintered in chamber type electric resistance furnace, then natural cooling.
Preferably, in above-mentioned complex biological filter denitrification system, the mass ratio of powder is 90% ~ 95% in mixture；
The molding pressure of half dry pressing is 10MPa or so.
Preferably, in above-mentioned complex biological filter denitrification system, sintering condition meets: being first warming up to 50 DEG C/min
400 DEG C and 10min is kept, then is warming up to 600 DEG C with 20 DEG C/min and keeps 10min, then be warming up to 1000 DEG C with 50 DEG C/min
And keep 20min.
Compared with the prior art, the advantages of the present invention are as follows: present system is suitable for mentioning for sewage plant and marks transformation and depth
Degree processing, system is to COD and NH3- N removal rate respectively reaches 89.4% and 96.8% or so.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 show the schematic illustration of complex biological filter denitrification system in the specific embodiment of the invention.Specific implementation
Mode
The present invention is described further by the following example: according to following embodiments, the present invention may be better understood.So
And as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used for
Illustrate the present invention, without the present invention described in detail in claims should will not be limited.
As shown in connection with fig. 1, the embodiment of the application discloses a kind of complex biological filter denitrification system, including successively connects
Logical complex biological filter 1, sand filter 2 and clear water reserviors 3, the interior filtrate 4 being filled with highly in 30 ~ 50cm of complex biological filter 1,
It is provided with waterwater entrance 5 below filtrate, the carbon source 6 of waste water and external addition enters complex biological filter 1 together, under filtrate
Side is also communicated with Aeration fan 7 and anti-gas blower 8, and the irrigation channel of sand filter 2 carries out dosing 9；The irrigation channel of clear water reserviors 3 adds
Added with disinfectant 10.
In a preferred embodiment, carbon source is methanol.The medicine that the irrigation channel of sand filter 2 adds is sodium acetate.Disinfectant is adopted
With calcium hypochlorite or chlorine.
In one embodiment, the raw material that filtrate 4 uses includes: recessed soil, 100 mesh；Diatomite, 100 mesh；Flyash, 100
Mesh；Starch.
The preparation of filtrate 4 includes: by recessed native 40 parts by weight, 58 parts by weight of diatomite, 5 parts by weight of flyash, 13 weight of starch
It measures part premixing and obtains powder, water is added and further mixes, the mass ratio of powder is 90% in mixture.Using half dry pressing
Molding, molding pressure are 10MPa or so, obtain diameter in the bead of 10mm or so；It is 2 hours dry under the conditions of 60 DEG C, so
After to be warming up to 120 DEG C or so conditions 2 hours dry；It is sintered in chamber type electric resistance furnace, is first warming up to 400 DEG C with 50 DEG C/min
And 10min is kept, then be warming up to 600 DEG C with 20 DEG C/min and keep 10min, then be warming up to 1000 DEG C with 50 DEG C/min and keep
20min, then natural cooling.
The compound bio filtrate of preparation is put into the system of Fig. 1, filtrate packed height is about 50cm.Waste water is injected,
Activated sludge is added, sludge concentration is controlled in 1700mg/L or so.Air pump is opened, adjusting gas flow makes dissolved oxygen (DO)
It is mature to filtrate surface biological film for 3mg/L or so, COD and NH3- N removal rate respectively reaches 89.4% and 96.8% left side
It is right.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show with closely related structure and/or processing step according to the solution of the present invention, and be omitted little with relationship of the present invention
Other details.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (10)
1. a kind of complex biological filter denitrification system, which is characterized in that including be sequentially communicated complex biological filter, sand filter and
Clear water reserviors；Filled with highly in the filtrate of 30 ~ 50cm in the complex biological filter；Waste water is provided with below the filtrate to enter
Mouthful, the carbon source of waste water and external addition enters complex biological filter together；The lower section of the filtrate be also communicated with Aeration fan and
Anti- gas blower；The irrigation channel of the sand filter carries out dosing；The irrigation channel of clear water reserviors is added with disinfectant.
2. complex biological filter denitrification system according to claim 1, which is characterized in that the carbon source is methanol.
3. complex biological filter denitrification system according to claim 1, which is characterized in that the irrigation channel of sand filter added
Medicine is sodium acetate.
4. complex biological filter denitrification system according to claim 1, which is characterized in that the disinfectant uses hypochlorous acid
Calcium or chlorine.
5. complex biological filter denitrification system according to claim 1, which is characterized in that filled in complex biological filter
Filtrate includes:
Recessed native 38 ~ 45 parts by weight；
55 ~ 65 parts by weight of diatomite；
3 ~ 8 parts by weight of flyash；
10 ~ 20 parts by weight of pore creating material.
6. complex biological filter denitrification system according to claim 5, which is characterized in that the pore creating material uses starch.
7. complex biological filter denitrification system according to claim 5, which is characterized in that the filtrate includes recessed native 40 weight
Measure part, 58 parts by weight of diatomite, 5 parts by weight of flyash, 13 parts by weight of starch.
8. complex biological filter denitrification system according to claim 5, which is characterized in that the preparation method of filtrate includes:
(1), by recessed native 38 ~ 45 parts by weight, 55 ~ 65 parts by weight of diatomite, 3 ~ 8 parts by weight of flyash, 10 ~ 20 parts by weight of pore creating material
Premixing obtains powder, and water is added and further mixes；
(2), dry pressure formed using half, diameter is obtained in the bead of 10 ~ 13mm；
(3), 1 ~ 4 hour dry under the conditions of 50 ~ 70 DEG C, it is 1 ~ 4 hour dry to then heat to 90 ~ 120 DEG C of conditions；
(4), it is sintered in chamber type electric resistance furnace, then natural cooling.
9. complex biological filter denitrification system according to claim 8, which is characterized in that the mass ratio of powder in mixture
It is 90% ~ 95%；The molding pressure of half dry pressing is 10MPa or so.
10. complex biological filter denitrification system according to claim 8, which is characterized in that sintering condition meets: first with 50
DEG C/min is warming up to 400 DEG C and keeps 10min, then be warming up to 600 DEG C with 20 DEG C/min and keep 10min, then with 50 DEG C/min
It is warming up to 1000 DEG C and keeps 20min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435624.0A CN109354320A (en) | 2018-11-28 | 2018-11-28 | Complex biological filter denitrification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435624.0A CN109354320A (en) | 2018-11-28 | 2018-11-28 | Complex biological filter denitrification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109354320A true CN109354320A (en) | 2019-02-19 |
Family
ID=65343512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811435624.0A Withdrawn CN109354320A (en) | 2018-11-28 | 2018-11-28 | Complex biological filter denitrification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109354320A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11851356B2 (en) | 2020-01-06 | 2023-12-26 | The Research Foundation For The State University Of New York | Bioreactor system and method for nitrification and denitrification |
-
2018
- 2018-11-28 CN CN201811435624.0A patent/CN109354320A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11851356B2 (en) | 2020-01-06 | 2023-12-26 | The Research Foundation For The State University Of New York | Bioreactor system and method for nitrification and denitrification |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190219 |