CN109250810A - A kind of method of reinforced film biological reactor contaminant-removal properties - Google Patents
A kind of method of reinforced film biological reactor contaminant-removal properties Download PDFInfo
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- CN109250810A CN109250810A CN201710575360.8A CN201710575360A CN109250810A CN 109250810 A CN109250810 A CN 109250810A CN 201710575360 A CN201710575360 A CN 201710575360A CN 109250810 A CN109250810 A CN 109250810A
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- Prior art keywords
- magnetic powder
- activated sludge
- removal
- added
- contaminant
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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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
- Y02W10/10—Biological treatment of water, waste water, or sewage
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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)
- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
The present invention provides a kind of method of reinforced film biological reactor contaminant-removal properties, comprising: provides a film bioreactor device；Aerobic activated sludge is tamed with sanitary sewage, and is placed in the reactor cavity room of the membrane bioreactor；The magnetic powder of predetermined amount is added into the aerobic activated sludge tamed；The membrane module is placed into the aerobic activated sludge that the magnetic powder is added, and starts the intake pump, the suction pump；The temperature adjusted in the reactor cavity room makes it maintain room temperature, and maintains its pH value within a preset range；The membrane bioreactor of the magnetic powder is added in operation, to carry out the removal of pollutant.Through the above scheme, the film bioreactor device strengthened based on magnetic powder of the invention is easy to operate, can effective reinforced film biological reactor sewage treatment performance, reduce sludge specific resistance, improve microbial dehydrogenation enzymatic activity, and it is environment-protecting and non-poisonous, magnetic powder can be recycled and reused by Magneto separate, high financial profit.
Description
Technical field
The invention belongs to technical field of sewage, more particularly to a kind of reinforced film biological reactor pollutant removal
The method of energy.
Background technique
Membrane bioreactor (membrane bioreactor, MBR) is the new skill of water process that fast development is got up in recent years
Art is widely used to city domestic sewage, Industrial Wastewater Treatment and Treated sewage reusing field.Due to global water resources protection and
More stringent water standard legislative policy, MBR technology have wide and superior application prospect in water treatment field, exist at present
Also extensive popularization and application have been obtained in world wide, in Sweden, France, Italy, China, Singapore, Japan, U.S. etc.
The national MBR sewage treatment plant for building up 1,000,000,000 tons of annual amount for the treatment of or more in succession, wherein China and the United States become the whole world main city MBR
?.
Compared with traditional activated sludge process, the advantage of MBR technique is: by activated sludge process in conjunction with membrane separation process, mentioning
High sewage treating efficiency；Not changing vulnerable to influent quality influences, and effluent quality is high and continual and steady；Occupied area is small.But by
In the fluctuation of the difference, external condition of water inlet ingredient and the uncertainty of operating parameter, MBR effluent quality is caused also to will appear
Unsatisfactory fluctuation.In the research paper and patent delivered, researchers mainly pass through optimization operating procedure, such as expose
Gas intensity (aerobic MBR), sludge age, hydraulic detention time, critical membrane flux etc., and add flocculant, coagulant, biology and carry
Body etc. improves and stablizes producing water water quality.But still there is a problem of mud mixed liquid characteristic difference in MBR system.
Therefore it provides a kind of sewage water treatment method to be to improve mud mixed liquid characteristic in MBR system, thus at enhanced sewage
The stability of rationality energy, the operation of raising system is necessary.
Summary of the invention
In view of the foregoing deficiencies of prior art, it is dirty that the purpose of the present invention is to provide a kind of reinforced film biological reactors
Contaminate object removal capacity method, for solve in the prior art membrane bioreactor sewage treatment performance by water inlet component difference,
The problem of fluctuation of external condition and the uncertainty of operating parameter cause effluent quality to fluctuate.
To achieve the above object, the present invention provides a kind of method of reinforced film biological reactor contaminant-removal properties, packet
Include following steps:
1) film bioreactor device, including intake pump, membrane bioreactor and suction pump are provided；
2) aerobic activated sludge is tamed with sanitary sewage, to obtain the aerobic activated sludge tamed, and by its
It is placed in the reactor cavity room of the membrane bioreactor；
3) magnetic powder of predetermined amount is added into the aerobic activated sludge tamed；
4) place the membrane module into the aerobic activated sludge that the magnetic powder is added, and start the intake pump,
The suction pump, wherein the suction intensity of the suction pump is adjusted using the critical flux of the membrane module as standard；
5) temperature adjusted in the reactor cavity room makes it maintain room temperature, and its pH value is made to maintain preset range
It is interior；
6) membrane bioreactor of the magnetic powder is added in operation, to carry out the removal of pollutant.
As a preferred solution of the present invention, in step 3), the concentration of the magnetic powder is 1~2g/L.
As a preferred solution of the present invention, in step 5), the temperature in the reactor cavity room is 18~30%, institute
Stating pH value is 7.0~8.5.
As described above, a kind of method of reinforced film biological reactor contaminant-removal properties of the invention, has with following
Beneficial effect:
1) method of reinforced film biological reactor contaminant-removal properties of the invention, easy to operate, effective reinforcing
The contaminant-removal properties of membrane bioreactor；
2) method of reinforced film biological reactor contaminant-removal properties of the invention can make organic pollution materials (COD) or
Ammonia nitrogen (NH4 +- N) etc. removal rates improve 3% or more compared with the existing technology, be resistant to entering organic matter of water fluctuation of concentration, external condition
The ability of variation is obviously improved, and organic matter removal performance is more insensitive to the variation of operating parameter；
3) method of reinforced film biological reactor contaminant-removal properties of the invention carries out the sludge ratio of pollutant removal
Resistance reduces, and settling property improves, and microbial dehydrogenation enzymatic activity improves, and contaminant-removal properties are strengthened；
4) method of reinforced film biological reactor contaminant-removal properties of the invention, operation is environment-protecting and non-poisonous, does not generate
Intractable excess sludge, magnetic powder can be recycled by Magneto separate, recycling, high financial profit.
Detailed description of the invention
Fig. 1 is shown as the flow chart of each step of contaminant removal process provided by the invention.
S1~S6 step
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Please refer to Fig. 1.It should be noted that illustrating what only the invention is illustrated in a schematic way provided in the present embodiment
Basic conception, though only show in diagram with related component in the present invention rather than component count, shape when according to actual implementation
And size is drawn, when actual implementation form, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout
Form may also be increasingly complex.
As shown in Figure 1, the present invention provides a kind of method of reinforced film biological reactor contaminant-removal properties, including as follows
Step:
Shown in S1 as shown in figure 1, step 1) is carried out, a film bioreactor device, including intake pump, membrane bioreaction are provided
Answer device and suction pump；
Shown in S2 as shown in figure 1, step 2) is carried out, aerobic activated sludge is tamed with sanitary sewage, to be tamed and dociled
The aerobic domestic sludge changed, and be placed in the reactor cavity room of the membrane bioreactor；
Shown in S3 as shown in figure 1, step 3) is carried out, the magnetic of predetermined amount is added into the aerobic activated sludge tamed
Powder；
Shown in S4 as shown in figure 1, step 4) is carried out, into the aerobic activated sludge that the magnetic powder is added described in placement
Membrane module, and start the intake pump, the suction pump, wherein using the critical flux of the membrane module as described in standard adjustment
The suction intensity of suction pump；
Shown in S5 as shown in figure 1, step 5) is carried out, the temperature adjusted in the reactor cavity room makes it maintain room temperature,
And maintain its pH value within a preset range；
Shown in S6 as shown in figure 1, step 6) is carried out, the membrane bioreactor of the magnetic powder is added in operation, to carry out
The removal of pollutant.
As an example, the concentration of the magnetic powder 312 is 1~2g/L in step 3).
Specifically, the concentration of the magnetic powder 312 is 1~2g/L, preferably 1g/L in the present embodiment.In addition, the activity
Sludge concentration can be 3~10g/L, preferred 6~8g/L.
As an example, in step 5), the temperature in the reactor cavity room is 18~30 DEG C, preferably 22~28 DEG C,
In the present embodiment, 25 DEG C are selected as, the pH value is 7.0~8.5, preferably 7.5.
It should also be noted that, the strengthening effect of magnetic powder reinforced film biological reactor in order to further illustrate the present invention,
Following examples are provided, technical solution of the present invention to be further elaborated:
Embodiment one:
It is 0.75g/L, aeration intensity 0.1m that magnetic powder, which adds concentration,3/ h, dissolved oxygen be 6.71 ± 1.18, pH be 7.8 ±
0.17, temperature is 21.2 ± 2.24 DEG C, and sludge concentration is 5.28 ± 0.57g/L, continuous operation 29 days, compared to control group, is had
Machine object average removal rate maintains 85% or more, and control group organic matter average removal rate maintains 78% or so, sludge settling
Performance and control group indifference.
Embodiment two:
Magnetic powder adds concentration 1.25g/L, aeration intensity 0.1m3/ h, dissolved oxygen be 6.67 ± 1.27, pH be 7.76 ±
0.15, temperature be 20.57 ± 1.94 DEG C, sludge concentration be 6.09 ± 1.14g/L, continuous operation 37 days, compared to control group, ammonia
Nitrogen average removal rate maintains 95% or more, and control group ammonia nitrogen average removal rate maintains 88% or so, sludge settling performance
With control group indifference.
Embodiment three:
Magnetic powder adds concentration 1.5g/L, aeration intensity 0.1m3/ h, dissolved oxygen are that 6.61 ± 1.19, pH is 8.05 ± 0.28,
Temperature is 24.9 ± 1.34 DEG C, and sludge concentration is 5.61 ± 1.10g/L, and continuous operation 48 days, compared to control group, organic matter was flat
Equal removal rate maintains 90% or more, and control group organic matter average removal rate maintains 80% or so；Ammonia nitrogen average removal rate
99% or more is maintained, and control group ammonia nitrogen average removal rate maintains 90% or so, sludge settling performance is shown compared to the control group
It writes and is promoted, SV30 is only the 80% of control group.
In conclusion the present invention provides a kind of method of reinforced film biological reactor contaminant-removal properties, including as follows
Step: 1) film bioreactor device, including intake pump, membrane bioreactor and suction pump are provided；2) sanitary sewage is used
Aerobic activated sludge is tamed, to obtain the aerobic activated sludge tamed, and is placed on the membrane biological reaction
In the reactor cavity room of device；3) magnetic powder of predetermined amount is added into the aerobic activated sludge tamed；4) to described in addition
The membrane module is placed in the aerobic activated sludge of magnetic powder, and starts the intake pump, the suction pump, wherein with institute
State the suction intensity that the critical flux of membrane module adjusts the suction pump for standard；5) temperature in the reactor cavity room is adjusted
So that it is maintained room temperature, and maintains its pH value within a preset range；6) membrane biological reaction of the magnetic powder is added in operation
Device, to carry out the removal of pollutant.Through the above scheme, 1) reinforced film biological reactor contaminant-removal properties of the invention
The contaminant-removal properties of method reinforced film biological reactor easy to operate, effective；2) reinforcing membrane biological reaction of the invention
The method of device contaminant-removal properties can make the removal rates such as organic pollution materials (COD) or ammonia nitrogen (NH4+-N) relative to existing skill
Art improves 3% or more, is resistant to entering organic matter of water fluctuation of concentration, the ability of change of external conditions is obviously improved, organic matter removal
Can variation to operating parameter it is more insensitive；3) the method progress pollutant of reinforced film biological reactor contaminant-removal properties is gone
The sludge specific resistance removed reduces, and settling property improves, and microbial dehydrogenation enzymatic activity improves, and contaminant-removal properties are strengthened；4)
The method of reinforced film biological reactor contaminant-removal properties is environment-protecting and non-poisonous, does not generate intractable excess sludge, and magnetic powder can lead to
Cross Magneto separate recycling, recycling, high financial profit.So the present invention effectively overcome various shortcoming in the prior art and
Has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (3)
1. a kind of method of reinforced film biological reactor contaminant-removal properties, which comprises the steps of:
1) film bioreactor device, including intake pump, membrane bioreactor and suction pump are provided；
2) aerobic activated sludge is tamed with sanitary sewage, to obtain the aerobic activated sludge tamed, and is placed
In in the reactor cavity room of the membrane bioreactor；
3) magnetic powder of predetermined amount is added；
4) membrane module is placed into the aerobic activated sludge that the magnetic powder is added, and starts the intake pump, described
Suction pump, wherein the suction intensity of the suction pump is adjusted using the critical flux of the membrane module as standard；
5) temperature adjusted in the reactor cavity room makes it maintain room temperature, and maintains its pH value within a preset range；
6) membrane bioreactor of the magnetic powder is added in operation, to carry out the removal of pollutant.
2. the method for reinforced film biological reactor contaminant-removal properties according to claim 1, which is characterized in that step
3) in, the concentration of the magnetic powder is 1~2g/L.
3. the method for reinforced film biological reactor contaminant-removal properties according to claim 1, which is characterized in that step
5) in, the temperature in the reactor cavity room is 18~30%, and the pH value is 7.0~8.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575360.8A CN109250810A (en) | 2017-07-14 | 2017-07-14 | A kind of method of reinforced film biological reactor contaminant-removal properties |
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| CN201710575360.8A CN109250810A (en) | 2017-07-14 | 2017-07-14 | A kind of method of reinforced film biological reactor contaminant-removal properties |
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| CN109250810A true CN109250810A (en) | 2019-01-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111377531A (en) * | 2020-04-22 | 2020-07-07 | 广东科创工程技术有限公司 | Method for early warning membrane performance of membrane bioreactor |
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2017
- 2017-07-14 CN CN201710575360.8A patent/CN109250810A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111377531A (en) * | 2020-04-22 | 2020-07-07 | 广东科创工程技术有限公司 | Method for early warning membrane performance of membrane bioreactor |
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Application publication date: 20190122 |