CN108408903A - Strengthen the device and its technique of livestock and poultry tail water aerobic ponds treatment effect - Google Patents
Strengthen the device and its technique of livestock and poultry tail water aerobic ponds treatment effect Download PDFInfo
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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Abstract
The invention discloses a kind of devices and its technique for strengthening livestock and poultry tail water aerobic ponds treatment effect.The device is made of tunica fibrosa composite component and air supply system two parts.Wherein, tunica fibrosa composite component general frame is cuboid, bat wool, deflector and hollow fiber membrane bundle are uniformly arranged between component top and bottom, and air supply system is used to supply the methane needed for hollow fiber membrane bundle, air demand is controlled by pressure gauge and pressure-regulating valve.Methane needed for system may be from the biogas of livestock and poultry farm generation, the oxygen sources needed for aerobic methane oxidation in algae in aerobic ponds photosynthesis and reoxygenation process without artificially providing.When work, it is only necessary to which tunica fibrosa composite component, which is laid on aerobic ponds bottom, and continues gas supply can strengthen the treatment efficiency of aerobic ponds, and cost is relatively low, simple and practicable.
Description
Technical field
The present invention relates to the technical field of water pollution processing, more particularly to a kind of reinforcing livestock and poultry tail water aerobic ponds treatment effects
Device and its technique.
Background technology
Oxidation pond is simple in structure, low energy consumption, relatively common in the processing of livestock and poultry tail water.According to superior microorganism in oxidation pond
Oxidation pond can be divided into aerobic ponds, facultative lagoon and anaerobic pond by type and the dissolved oxygen situation of pool water, and wherein aerobic ponds are normally at
End is to ensure effluent quality.Currently, aerobic ponds processing livestock and poultry tail water has following two difficult points：First, although tail water organic matter is
Substantially reduce, but biodegradable organic concentration is not equally high；Second is that certain nitrate can be still remained in tail water,
And biodegradable carbon source is insufficient in tail water, denitrification denitrogenation is difficult, there is the risk for causing body eutrophication.In addition, good
The oxygen pool is affected etc. there is also common fault of oxidation pond, such as treatment effect climate condition such as temperature etc..It is above to overcome
It is insufficient, it is necessary to seek a kind of means for strengthening aerobic ponds treatment efficiency, to promote the ability of its carbon and nitrogen removal.Currently, much
Method concentrates on the pond type transformation (such as setting jetty, increase aerator etc.) of oxidation pond, but these methods are mostly suitable
Be not suitable for the in situ of original aerobic ponds for creating the situation of aerobic ponds and be transformed, and cost is higher.Therefore, a kind of there is an urgent need for finding
Simple and practicable, inexpensive aerobic ponds original position upgrading method.
From except carbon angle analysis, the sludge loading of aerobic ponds can be reduced and then have by increasing the biomass of aerobic ponds microorganism
Help purification of water quality.But in view of aerobic ponds intake biodegradable organic concentration it is relatively low the fact that, effective carbon source is not
The growth of foot meeting restriction micro-organisms biomass.In addition, biodegradable organic concentration is relatively low also to inhibit denitrification denitrogenation
Process.As additional carbon it is a kind of method to make the best of both worlds, one side methane by methane to promote the processing capacity of aerobic ponds
It can be collected in situ in livestock and poultry farm, on the other hand since methane is that there is no need to worry that carbon source excessive addition is led for gaseous carbon source
The problem for causing outlet water organic substance exceeded.For methane is applied to as carbon source in water process, aerobic methane oxidation denitrification
(aerobic methane oxidation coupled to denitrification) is a kind of potential technology of richness.It is good
Oxygen methane oxidation denitrification is a kind of cooperating process of aerobic methane-oxidizing bacteria and denitrifying bacterium, i.e., the aerobic first under aerobic condition
Alkoxide bacterium is dissolved organic matter by methane oxidation and merocrine secretion completes anti-nitre to the denitrifying bacterium of surrounding for denitrifying bacterium
Change process.But methane resistance to mass tranfer is big, low methane utilization ratio is the bottleneck for restricting the technology large-scale promotion application.
Invention content
Based on this, the present invention is to find a kind of upgrading side of simple and practicable, inexpensive livestock and poultry breeding industry aerobic ponds
Method provides a kind of device and its technique for strengthening livestock and poultry tail water aerobic ponds treatment effect.
The specific technical solution that the present invention uses is：
A kind of device for strengthening livestock and poultry tail water aerobic ponds treatment effect comprising：Tunica fibrosa composite component and air supply system；
In a rectangular parallelepiped shape, the side of two opposite direction is not baffled to be flowed through tunica fibrosa composite component general frame for flow, remaining four sides
Closing；Conversion zone is used as between the frame roof and bottom of tunica fibrosa composite component；It is uniformly arranged in the conversion zone
There are several pieces of deflectors, deflector to be staggered, forms snakelike flow channel between two not baffled sides；Flowing
Several hollow fiber membrane bundles and several bat wools are equipped in channel, wherein several hollow fiber membrane bundles are distributed in the stream
The different location in dynamic channel, and one end is connected with the gas distribution pipe at the top of tunica fibrosa composite component, the other end is shut and quilt
It is vertical fixed；Several bat wools are placed in parallel in the different location of the flow channel, and one end with hollow fiber membrane bundle
It is vertically fixed in top spacer, the other end is sagging not to fix；The air supply system by be sequentially connected anaerobic ferment devices,
Desulfurizing tower, biogas storage tank and blower unit are at blower outlet is connected with tunica fibrosa composite component by gas distribution pipe, is used for
Methane is supplied into hollow fiber membrane bundle.
Preferably, the steam line between air blower and gas distribution pipe is equipped with pressure gauge and pressure for adjusting air demand
Force regulating valve.
Preferably, the hollow fiber membrane bundle is uniformly distributed in the flow channel with bat wool.
Preferably, at least provided with 1 hollow fiber membrane bundle in every section of flow channel between adjacent two pieces of deflectors, often
The both sides of hollow fiber membrane bundle are symmetrically evenly equipped with several bat wools.
Preferably, the tunica fibrosa composite component has multiple, it is connected in parallel or serial fashion.
Preferably, the tunica fibrosa composite component length-width ratio is 2~4:1, length than 2~4m, highly than 15~
40cm。
Strengthening livestock and poultry farm aerobic ponds treatment effect using described device it is a further object of the present invention to provide a kind of
Technique comprising following steps：
1) biogas that anaerobic ferment devices in livestock and poultry farm generate is collected, is compressed to after being passed through desulfurizing tower desulfurization
Biogas storage tank preserves；
2) the tunica fibrosa composite component of above-mentioned apparatus the aerobic ponds for handling livestock and poultry farm tail water are laid on to intake
Mouth bottom, makes tail water flow through the flow channel；
3) biogas in biogas storage tank is passed through in hollow fiber membrane bundle using air blower；Livestock and poultry tail water can be in deflector
Under the action of come into full contact in the flow channel with hollow fiber membrane bundle and bat wool；
4) continuous service device for a period of time, makes microorganism be attached on hollow fiber membrane bundle and bat wool and is formed
Biomembrane；And continue to be passed through biogas into hollow fiber membrane bundle in device operational process, make biomembrane on hollow fiber membrane bundle
In aerobic methane-oxidizing bacteria become dominant bacteria, and obtained using the photosynthesis of algae in aerobic ponds and air reaeration process
Oxygen, it includes small soluble molecules organic matter to complete aerobic methane oxidation process while secretion；Aerobic first on hollow fiber membrane bundle
The small soluble molecules organic matter part that oxidation process generates diffuses to biomembrane and is close to the simultaneous of hollow fiber membrane bundle side
Oxygen area utilizes completion denitrification denitrogenation for the denitrifying bacterium in the region；It keeps flow in the flow channel to flow, makes another
Part small soluble molecules organic matter is flowed along flow channel, and is finally diffused into outward in aerobic ponds water body；Meanwhile it utilizing
Biomembrane on bat wool carries out tail water to remove carbon and denitrogenation；When there is enough sunlight, algae is improved by photosynthesis
Dissolved oxygen in aerobic ponds, and then the aerobic heterotroph of reinforcing fiber shape carrier biofilm outer layer is active, giving birth in water body of degrading
The amphimicrobe of object degradable organic pollutant, bat wool biology film inner layer then has using the small soluble molecules for being diffused into inside
Machine object carries out denitrification process；When sunlight weakens or does not have sunlight, dissolved oxygen content and fibre in algae photosynthesis, aerobic ponds
The aerobic heterotroph activity for tieing up shape carrier biofilm outer layer synchronizes reduction, and it includes the small soluble molecules organic matter to make water body
Biodegradable organic pollution inside diffuses further into bat wool biology film inner layer, and progress is utilized for denitrifying bacterium
Strengthened denitrification process；
5) the livestock and poultry tail water qualified discharge that will be disposed.
Preferably, biogas air demand is by the pressure gauge being set on steam line and pressure-regulating valve control in step 3)
System.
Preferably, the gas supply pressure of biogas controls between 100~150kPa.
Preferably, multiple tunica fibrosa composite component can be carried out in step 2) in parallel or series, to promote the place of aerobic ponds
Manage effect.
Preferably, if livestock and poultry farm is not equipped with sludge gas collecting device, biogas storage tank can be directly by high-purity first
Alkane steel cylinder is replaced to save capital construction cost.
Preferably, the control of biogas pressure is between 100~150kPa when gas supply.
Preferably, several above-mentioned apparatuses can be carried out in parallel, series connection, the processing further to promote aerobic ponds is imitated
Fruit.
The present invention has the following advantages：
1) present apparatus strengthens the treatment effect of livestock and poultry farm aerobic ponds using special device, it is only necessary to spread apparatus main body
Being located at oxidation pond bottom can operate, simple and practicable, at low cost；Meanwhile composite component can carry out series, parallel to enhance it by force
Change effect, collocation is flexible.
2) present apparatus supplies methane using the hollow-fibre membrane that aperture is small, hole density is high, and bubble-free generates, mass-transfer efficiency
It is high.The methane of supply can generate some small soluble molecules organic matters after aerobic oxidation, on the one hand can be used for improving aerobic different
The nutrition condition of bacteria increases its biomass, on the other hand can be used for the carbon source that denitrifying bacterium carries out denitrification process.
3) present apparatus can utilize the biogas that livestock and poultry farm anaerobic fermentation generates to be used for denitrification process as carbon source, fill
Dividing realizes the recycling of pig farm resource.
Description of the drawings
Fig. 1 is a kind of device and its technique for strengthening livestock and poultry tail water aerobic ponds treatment effect.
Fig. 2 is tunica fibrosa composite component schematic diagram, and wherein left figure is sectional side elevation, and right figure is vertical view.
In figure：Tunica fibrosa composite component 1, deflector 2, hollow fiber membrane bundle 3, bat wool 4, gas distribution pipe 5, aerobic ponds
6, pressure gauge 7, pressure-regulating valve 8, air blower 9, biogas storage tank 10, desulfurizing tower 11, anaerobic ferment devices 12.
Specific implementation mode
The present invention is further elaborated and is illustrated with reference to the accompanying drawings and detailed description.
As illustrated in fig. 1 and 2, the device of a kind of reinforcing livestock and poultry tail water aerobic ponds treatment effect in the present embodiment, including fibre
Tie up film composite component 1 and air supply system.Wherein, in a rectangular parallelepiped shape, length-width ratio can be arranged 1 general frame of tunica fibrosa composite component
It is 2~4:1, length ratio could be provided as 2~4m, highly than could be provided as 15~40cm.The left and right of tunica fibrosa composite component 1
Two opposite sides are not baffled, flowed through for flow, remaining four face closure.The frame roof of tunica fibrosa composite component 1 and bottom
As the conversion zone to tail water progress Aerobic Process for Treatment between portion, and several pieces of deflectors 2 are evenly arranged in conversion zone.Such as
Shown in Fig. 2 right figures, 2 interleaved of deflector setting, adjacent two pieces of deflectors 2 are individually fixed on two different sides,
And there are spaces between the other end and side wall of deflector 2, and snakelike stream is thus formed between two not baffled sides
Dynamic channel.Several hollow fiber membrane bundles 3 and several bat wools 4 are equipped in flow channel, wherein hollow fiber membrane bundle 3 is uniform
It is distributed in the different location of flow channel.In the present embodiment, it is all provided in every section of flow channel between adjacent two pieces of deflectors 2
There are 1 hollow fiber membrane bundle 3, the inlet and outlet position of flow channel also to be provided with 1 hollow fiber membrane bundle 3, every section of flowing is logical
The both sides of hollow fiber membrane bundle 3 in road are symmetrically distributed with 2 bat wools 4.One end of every hollow fiber membrane bundle 3 with
Gas distribution pipe 5 set on 1 top of tunica fibrosa composite component is connected, and the other end is shut and by vertical fixation and the bottom of the channel frame
On.Hollow-fibre membrane has the characteristics that aperture is small, hole density is high, when supplying methane thereto, when gas supply pressure control is suitable
When 100~150kPa of range, film surface bubble-free generates, and mass-transfer efficiency is high.Therefore, film surface has higher methane content,
The aerobic methane-oxidizing bacteria on hollow fiber membrane bundle 3 in biomembrane can be made to become dominant bacteria.When biomembrane has certain thickness
When, the radial distribution difference of flora as bat wool 4, can also occur, amphimicrobe occur by tunica fibrosa interior side, rise
Denitrification denitrogenation acts on, and by external mainly aerobic bacteria, it includes small that can will complete aerobic methane oxidation process while secretion
Molecule dissolved organic matter (such as methanol, acetic acid, citric acid).These small organic molecules are except part is by hollow fiber membrane bundle
(5) biomembrane itself using carry out denitrification denitrogenation process outside, most of small organic molecule can spread out and near
Biomembrane retention on bat wool (3), utilizes for the denitrifying bacterium in bat wool (3) biomembrane to enhance aerobic first
The denitrifying denitrification efficiency of alkoxide.
Bat wool 4 is made of bundles of fiber, can provide attachment space by biomembrane of larger specific surface area,
And the inside and outside biomembrane of filler can be enriched with different types of microorganism species due to oxygen content difference.In general, fiber
Since oxygen content is higher outside shape filler 4, aerobic heterotroph can be formed；And inside oxygen content is relatively low, can form amphimicrobe, it is such as anti-
Nitrifier etc..In the present invention, the biomembrane on bat wool is then mainly used for organics removal, and retain it is most of not by
The small organic molecule that hollow fiber membrane bundle biomembrane utilizes, to enhance denitrification denitrogenation process.Bat wool 4 and hollow fibre
Dimension perineurium 3 is placed in parallel, and one end is vertically fixed in top spacer, and the other end is sagging not to fix, can be with current shifting.
Air supply system is made of anaerobic ferment devices 12, desulfurizing tower 11, biogas storage tank 10 and the air blower 9 being sequentially connected.Air blower 9
Steam line between gas distribution pipe 5 is equipped with pressure gauge 7 and pressure-regulating valve 8 for adjusting air demand.Anaerobic fermentation fills
The Zymolysis Equipment of livestock and poultry farm anaerobic fermentation section can directly be used by setting 12, will produce during the fermentation based on methane
The biogas of ingredient is wanted, but due to sulfur-bearing in biogas, it is therefore desirable to carry out desulfurization process first with desulfurizing tower 11, then be stored in biogas
In holding vessel 10, for subsequently using.9 air outlet of air blower is connected with tunica fibrosa composite component 1 by gas distribution pipe 5, is used for natural pond
Biogas in gas holding vessel 10 blasts in hollow fiber membrane bundle 3.
In an aerobic ponds, tunica fibrosa composite component 1 can be arranged multiple, and multiple components can be in parallel or series
Mode is connected, and carries out intensive treatment jointly.
In addition, if livestock and poultry farm is not equipped with sludge gas collecting device, biogas storage tank 10 can be directly by high-purity methane steel
Bottle is replaced, and air blower 9 is connected to methane steel cylinder, to save capital construction cost.Certainly, when with biogas storage tank 10, also may be used
Synchronous setting methane steel cylinder is as spare auxiliary equipment.
The technique for being strengthened livestock and poultry farm aerobic ponds treatment effect based on above-mentioned apparatus, is included the following steps：
1) biogas that anaerobic ferment devices in livestock and poultry farm 12 generate is collected, is pressed after being passed through 11 desulfurization of desulfurizing tower
It is reduced to the preservation of biogas storage tank 10.
2) by the tunica fibrosa composite component 1 of above-mentioned apparatus be laid on for handle the aerobic ponds 6 of livestock and poultry farm tail water into
Mouth of a river bottom makes tail water flow through the flow channel.
3) biogas in biogas storage tank 10 is passed through in hollow fiber membrane bundle 3 using air blower 9, and biogas air demand by
The pressure gauge 7 being set on steam line is controlled with pressure-regulating valve 8, and the gas supply pressure of biogas is controlled 100 in the present embodiment
Between~150kPa.Livestock and poultry tail water can be filled out in flow channel with hollow fiber membrane bundle 3 and threadiness under the action of deflector 2
Material 4 comes into full contact with, and improves the hydraulics of component.
4) continuous service device for a period of time, makes microorganism be attached on hollow fiber membrane bundle 3 and bat wool 4 simultaneously shape
At biomembrane；And due to continuing to be passed through biogas into hollow fiber membrane bundle 3 in device operational process, make hollow fiber membrane bundle 3
Aerobic methane-oxidizing bacteria in upper biomembrane becomes dominant bacteria, and it includes that small molecule can to complete aerobic methane oxidation process while secretion
Soluble organism (such as methanol, acetic acid, citric acid), the oxygen sources needed for aerobic methane oxidation are in algae in aerobic ponds 6
Photosynthesis and reoxygenation process are without artificially providing.Aerobic methane oxidation process generates on hollow fiber membrane bundle 3 small point
Sub- dissolved organic matter (such as methanol, acetic acid, citric acid) part can to spreading inside biomembrane, until biomembrane be close to it is hollow
The aerobic area of 3 side of fiber-film bundle, oxygen content is less in the region, therefore denitrifying bacterium in this region can utilize small point
Sub- dissolved organic matter completes denitrification denitrogenation.Since flow constantly flows in flow channel, the aerobic methane of another part
The small soluble molecules organic matter that oxidation process generates is flowed along flow channel, by bat wool 4, and is finally expanded outward
It is scattered in 6 water body of aerobic ponds.In processing procedure, the biomembrane on bat wool 4 mainly carries out tail water to remove carbon and reinforcing
Denitrogenation.On the one hand, in the sun-drenched period, algae photosynthesis is strong, and dissolved oxygen is higher in aerobic ponds so that threadiness is filled out
Expect that the increased activity of the aerobic heterotroph of 4 biomembrane outer layers, the biodegradable organic pollution in water body are aoxidized, simultaneously
The small soluble molecules organic matter (such as methanol, acetic acid, citric acid) of aerobic methane oxidation process secretion can also improve aerobic different
The nutritional condition of bacteria can increase the biomass of 4 biomembrane of bat wool so that sludge loading reduces, intensive treatment effect；
The amphimicrobe such as denitrifying bacterium of the biological film inner layer of bat wool 4, which can also utilize, is diffused into internal small soluble molecules organic matter
Carry out denitrification process；On the other hand, sunlight it is weaker even without period, algae photosynthesis weakens, molten in aerobic ponds
It is more relatively low to solve oxygen so that the activity of the aerobic heterotroph of 4 biomembrane outer layer of bat wool is also corresponding to be reduced, and is had so more
The small soluble molecules organic matter (such as methanol, acetic acid, citric acid) that generates of organic matter especially aerobic methane oxidation process,
The biological film inner layer of bat wool 4 is diffused further into, is utilized for denitrifying bacterium, realizes strengthened denitrification process.
5) the livestock and poultry tail water qualified discharge that will be disposed.
In actual moving process, in order to ensure treatment effect, multiple tunica fibrosa composite component 1 can be carried out flexible group
It closes, combination may be used mode in parallel or series and run, further to promote the treatment effect of aerobic ponds.
Above-mentioned embodiment is only a preferred solution of the present invention, so it is not intended to limiting the invention.Have
The those of ordinary skill for closing technical field can also make various changes without departing from the spirit and scope of the present invention
Change and modification.Therefore all technical solutions for taking the mode of equivalent substitution or equivalent transformation to be obtained all fall within the guarantor of the present invention
It protects in range.
Claims (10)
1. a kind of device for strengthening livestock and poultry tail water aerobic ponds treatment effect, which is characterized in that including：Tunica fibrosa composite component (1)
And air supply system；In a rectangular parallelepiped shape, two opposite side is not baffled for flow for tunica fibrosa composite component (1) general frame
It flows through, remaining four face closure；Conversion zone is used as between the frame roof and bottom of tunica fibrosa composite component (1)；Described is anti-
It answers and is evenly arranged with several pieces of deflectors (2) in region, deflector (2) is staggered, between two not baffled sides
Form snakelike flow channel；Several hollow fiber membrane bundles (3) and several bat wools (4) are equipped in flow channel, wherein
Several hollow fiber membrane bundles (3) are distributed in the different location of the flow channel, and one end be set to tunica fibrosa composite component
(1) gas distribution pipe (5) at the top of is connected, and the other end is shut and vertically fixed；Several bat wools (4) and hollow-fibre membrane
Beam (3) is placed in parallel in the different location of the flow channel, and one end is vertically fixed in top spacer, and the other end is sagging not
It fixes；The air supply system by be sequentially connected anaerobic ferment devices (12), desulfurizing tower (11), biogas storage tank (10) and drum
Wind turbine (9) forms, and air blower (9) air outlet is connected with tunica fibrosa composite component (1) by gas distribution pipe (5), is used for hollow fibre
It ties up and supplies methane in perineurium (3).
2. the device according to claim 1 for strengthening livestock and poultry tail water aerobic ponds treatment effect, which is characterized in that air blower
(9) steam line between gas distribution pipe (5) is equipped with pressure gauge (7) and pressure-regulating valve (8) for adjusting air demand.
3. the device according to claim 1 for strengthening livestock and poultry tail water aerobic ponds treatment effect, which is characterized in that in described
Hollow fiber perineurium (3) and bat wool (4) are uniformly distributed in the flow channel.
4. the device according to claim 1 for strengthening livestock and poultry tail water aerobic ponds treatment effect, which is characterized in that adjacent two pieces
At least provided with 1 hollow fiber membrane bundle (3) in every section of flow channel between deflector (2), every hollow fiber membrane bundle (3)
Both sides are symmetrically evenly equipped with several bat wools (4).
5. the device according to claim 1 for strengthening livestock and poultry tail water aerobic ponds treatment effect, which is characterized in that the fibre
Dimension film composite component (1) has multiple, is connected in parallel or serial fashion.
6. the device according to claim 1 for strengthening livestock and poultry tail water aerobic ponds treatment effect, which is characterized in that the fibre
It is 2~4 to tie up film composite component (1) length-width ratio:1, length is than 2~4m, highly than 15~40cm.
7. the device according to claim 1 for strengthening livestock and poultry tail water aerobic ponds treatment effect, which is characterized in that the drum
Wind turbine (9) connects methane steel cylinder, and methane is supplied to hollow fiber membrane bundle (3) for substituting biogas storage tank (10).
8. a kind of technique for strengthening livestock and poultry farm aerobic ponds treatment effect using claim 1 described device, which is characterized in that
Include the following steps：
1) biogas that anaerobic ferment devices in livestock and poultry farm (12) generate is collected, is pressed after being passed through desulfurizing tower (11) desulfurization
It is reduced to biogas storage tank (10) preservation；
2) by the tunica fibrosa composite component (1) of above-mentioned apparatus be laid on the aerobic ponds (6) for handling livestock and poultry farm tail water into
Mouth of a river bottom makes tail water flow through the flow channel；
3) biogas in biogas storage tank (10) is passed through in hollow fiber membrane bundle (3) using air blower (9)；Livestock and poultry tail water can be
It is come into full contact in the flow channel with hollow fiber membrane bundle (3) and bat wool (4) under the action of deflector (2)；
4) continuous service device for a period of time, makes microorganism be attached on hollow fiber membrane bundle (3) and bat wool (4) simultaneously shape
At biomembrane；And continue to be passed through biogas into hollow fiber membrane bundle (3) in device operational process, make hollow fiber membrane bundle (3)
Aerobic methane-oxidizing bacteria in upper biomembrane becomes dominant bacteria, and multiple using the photosynthesis of aerobic ponds (6) interior algae and air
The oxygen that oxygen process obtains, it includes small soluble molecules organic matter to complete aerobic methane oxidation process while secretion；Doughnut
The small soluble molecules organic matter part that aerobic methane oxidation process generates in perineurium (3) diffuses to biomembrane and is close to hollow fibre
The aerobic area for tieing up perineurium (3) side utilizes completion denitrification denitrogenation for the denitrifying bacterium in the region；Keep the flow channel
Middle flow flowing, makes another part small soluble molecules organic matter be flowed along flow channel, and is finally diffused into outward aerobic
In the pool (6) water body；Meanwhile tail water is carried out using the biomembrane on bat wool (4) to remove carbon and denitrogenation；There is enough sunlight
When, algae improves dissolved oxygen in aerobic ponds by photosynthesis, and then reinforcing fiber shape filler (4) biomembrane outer layer is aerobic different
Bacteria is active, the biodegradable organic pollution in water body of degrading, and the amphimicrobe of bat wool (4) biology film inner layer is then sharp
Denitrification process is carried out with the small soluble molecules organic matter for being diffused into internal；When sunlight weakens or does not have sunlight, algae light
Dissolved oxygen content is synchronous with the aerobic heterotroph activity of bat wool (4) biomembrane outer layer in cooperation use, aerobic ponds reduces, and makes
Water body includes that the biodegradable organic pollution including the small soluble molecules organic matter diffuses further into threadiness
Filler (4) biology film inner layer utilizes progress strengthened denitrification process for denitrifying bacterium；
5) the livestock and poultry tail water qualified discharge that will be disposed.
9. the technique according to claim 8 for strengthening livestock and poultry farm aerobic ponds treatment effect, which is characterized in that step 3)
Middle biogas air demand is controlled by the pressure gauge (7) being set on steam line with pressure-regulating valve (8)；The gas supply pressure control of biogas
System is between 100~150kPa.
10. the technique according to claim 8 for strengthening livestock and poultry farm aerobic ponds treatment effect, which is characterized in that step
2) multiple tunica fibrosa composite component (1) can be carried out in parallel or series, promoting the treatment effect of aerobic ponds in.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113860501A (en) * | 2021-11-08 | 2021-12-31 | 西南大学 | Method for treating nitrogen-containing wastewater by using microalgae to drive synchronous methane oxidation, nitrification and denitrification |
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| CN113860501A (en) * | 2021-11-08 | 2021-12-31 | 西南大学 | Method for treating nitrogen-containing wastewater by using microalgae to drive synchronous methane oxidation, nitrification and denitrification |
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