CN207498126U - The device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease - Google Patents
The device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease Download PDFInfo
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- CN207498126U CN207498126U CN201721731207.1U CN201721731207U CN207498126U CN 207498126 U CN207498126 U CN 207498126U CN 201721731207 U CN201721731207 U CN 201721731207U CN 207498126 U CN207498126 U CN 207498126U
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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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Abstract
The utility model is related to a kind of device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease, described device filtering area and reaction zone, the filtering area is separated with reaction zone by partition board and the two is connected by the water hole on partition board；The reaction zone includes pad system, isolation film, the first filler and the second filler；The pad system includes being arranged on the positive plate in the middle part of reaction zone and two negative plates of positive plate both sides parallel equidistant setting；If described two cathode plate surfaces are wrapped up in around dried layer biomembrane；The isolation film wraps up the positive plate and among the positive plate and negative plate；First filler is filled in the space of the isolation film and the housing of the reaction zone, second filler is filled in isolation film inner space.Waste water is handled using the utility model reaction unit；Realize the synergy of optical electro-chemistry processing, biological aerated filter and electrochemical oxidation；Operating process is simplified, reduces power consumption, processing cost reduces.
Description
Technical field
The utility model belongs to stain disease processing technology field, more particularly to using electro-catalysis, photocatalysis and biomembrane skill
The processing unit and method that art combines.
Background technology
Since 20th century, with the fast development of modern industry, producing largely can not be by the organic of natural degradation
Pollutant.The presence of these pollutants causes serious threat to ecological environment and human survival.It is increasingly serious in order to cope with
Environmental threat, the mankind begin attempt to handle the organic pollution that these are difficult to degrade using various technological means.Advanced oxidation
Method by most organic permineralization or decomposition due to that can be widely used in high concentration organic contaminant processing in recent years
In the middle.
Electrocatalytic Oxidation refers to as one of advanced oxidation processes through electrode reaction oxidation removal dirt water pollutant
Process, this method have the characteristics that dosage is few, it is few to generate sludge, have in high concentrated organic wastewater processing certain excellent
Gesture.But existing electrocatalysis oxidation reaction device still has many deficiencies, such as：When multi-group electrode works at the same time, during hydraulic retention
Between it is longer；Active surface layer's utilization rate of existing apparatus middle-jiao yang, function of the spleen and stomach pole plate is relatively low；Existing apparatus water inlet water distribution apparatus-form is more single
One；Existing apparatus can release a large amount of heat in use, seriously affect the working efficiency and service life of device, etc..It receives
Rice TiO2Photocatalysis oxidation technique causes relatively broad attention recent years as a kind of method that advanced oxidation is handled.
TiO2Photochemical catalyst has cheap, nontoxic, high activity and steady performance, and the research in terms of degradation of contaminant is very living
Jump.But TiO2There is also the Cl of difficult separation, easy in inactivation, recycling difficulty and high concentration for photochemical catalyst itself-To living radical
OH has the disadvantages such as apparent quenching effect, reduces its catalytic efficiency.
Membrane Bio-reactor Technology because that replace the secondary settling tanks in traditional biological treatment process, realizes high concentration sludge
Operation, has the advantages that effluent quality is good, operation and maintenance are simple, floor space is small, sludge concentration is high, excess sludge production is low etc..
But the technology still has many shortcomings, such as：Film is at high price, fouling membrane is frequent, membrane module need to be cleaned often, be replaced.
How photo-electrocatalytic technology and membrane-biotechnology to be organically combined, respective advantage is given full play to, while overcome portion
Divide technical disadvantages, become the research hotspot of countries in the world researcher.In view of this, provide that a kind of energy consumption is small, photoelectrocatalysis
Photoelectrocatalysioxidization oxidization that is efficient and being not easy to accumulate sludge cooperates with the reaction unit for handling stain disease and processing with electrode biomembrane
Method has become urgent problem to be solved at this stage.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, propose that a kind of three-diemsnional electrode biomembrane joint opto-electronic is urged
Change the apparatus and method of processing stain disease, photoelectrocatalysis energy consumption is big in the prior art, efficiency is low for solution, easy accumulation sludge and film are dirty
Dye is frequent, membrane module needs the technical problems such as frequent cleaning replacement.
One of to achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease, described device include a housing, institute
It states housing both sides and is respectively equipped with sewage inlet and water purification water outlet, the housing includes the filtering area being connected with sewage inlet
The reaction zone being connected with water purification water outlet, the filtering area and reaction zone are separated by partition board and the two on partition board by crossing water
Hole connects；And the water hole is equipped with microporous barrier；The reaction zone includes pad system, isolation film, the first filler and the
Two fillers；The pad system is set including the positive plate being arranged in the middle part of reaction zone and positive plate both sides parallel equidistant
Two negative plates；If described two cathode plate surfaces are wrapped up in around dried layer biomembrane；The isolation film wraps up the positive plate and is located at
Among the positive plate and negative plate；First filler is filled in the space of the isolation film and the housing of the reaction zone,
Second filler is filled in isolation film inner space；Wherein, first filler is the microparticle wrapped up in around biomembrane, described
Two fillers are the microparticle for being adsorbed with photochemical catalyst；The water purification water outlet is equipped with microporous barrier.
Further, the isolation film is cellulose acetate film.
Further, the microparticle be silica gel absorption particle, 50~400nm of the photocatalyst granular diameter；Material is
Detitanium-ore-type TiO2Or the Detitanium-ore-type TiO of a little Platinum Nanoparticles of doping or zinc metallic particles2；The nano-TiO2Photochemical catalyst
Dosage is 5~10g/L, preferably 6~8g/L.
Further, the distribution density of first filler and the second filler is 50~150g/L, preferably 60~90g/L.
Further, it is respectively equipped with that positive plate connects electric handle and negative plate connects electricity in the positive plate and negative plate upper end-face edge
Handle；The positive plate connects electric handle and negative plate to connect the size of electric handle be 10 × 5cm；The filtering area filler is quartz sand.
Further, the positive plate is Ebonex porous ceramic electrodes, and the negative plate is the titanium pole plate that oxalic acid is modified；
Further, the positive plate is prepared with the following method：First by sub- titanium dioxide powder and 0.5% polyacrylamide
And a small amount of polyvinyl alcohol adhesive mixing ring is ground 6 hours, then crosses 300 mesh vibrating screens；Obtained ceramic powder is granulated,
It is 5% or so to control particle moisture content, and granularity is 40~80 mesh；Later in 700kg/m2Pressure under thickness is made in a mold
Ceramic blank plate for 3.5mm；First base is heat-treated the moisture and organic binder bond for 24 hours, removed in just base at 85 DEG C；Finally
11h is sintered in 1350 DEG C of vacuum drying oven, you can Ebonex porous ceramic electrodes are made.
Further, the negative plate is prepared with the following method：Ti plates are polished first to remove surface with 300 mesh sand paper
Titanium oxide, then in the 10wt%NaOH solution of boiling 1h remove Ti plate surfaces greasy dirt；Later, the Ti plates after cleaning are put
2h is etched into uniform pitted skin in the 5wt% oxalic acid solutions (m/m) of boiling, the middle etching in 0.5vol%HF solution after cleaning
10min increases Ti surface roughnesses；Finally, the Ti plates being disposed are put in the dilute oxalic acid solutions of 1wt% and preserved, you can is made
The titanium pole plate that oxalic acid is modified.
Further, the housing grows 100~200cm, wide 30~60cm, high 50~100cm；The positive plate and negative plate
For rectangular configuration, length, width and height are consistent, and the spacing of the positive plate and negative plate is 2~10cm；The positive plate and cathode
Plate thickness is 1~8mm, and the length height of positive plate and negative plate is the 2/3~4/5 of described device.
Due to the use of above technical scheme, the utility model has following advantage compared with prior art：
Waste water is handled with photoelectricity reoxygenation concerted reaction device using the three-diemsnional electrode biomembrane of the utility model, in the sun
Under illumination, with electricity auxiliary optoelectronic pole liberation of hydrogen analysis oxygen, hydrogen forms hydrogen rich water in water, on the one hand oxygen can play watercourse aeration work
With, on the one hand can increase water disturbance, photocatalysis electro catalytic activity is obviously improved, strengthen optical electro-chemistry treatment effect.Reaction zone
Inside it is covered with silica gel absorption granular filler, has not only increased the contact area of biomembrane, but also convenient for absorbed portion pollutant, intensifier
Processing capacity.The redox of strengthening biological process is transmitted, while provide exposure for microcell biological activity with micro- electric electric current
Gas reoxygenation condition with porous aggregate immobilized microorganism, realizes the synergy of biological aerated filter and electrochemical oxidation.This is anti-
Device is answered to simplify operating process, reduces power consumption, processing cost reduces.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field
Technical staff will become clear.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to this practicality
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the knot of the three-diemsnional electrode biomembrane according to the utility model embodiment and photoelectricity reoxygenation concerted reaction device
Structure schematic diagram；
Fig. 2 is the flow diagram according to the processing stain disease method of the utility model embodiment.
Wherein：1st, filtering area；10th, sewage inlet；11st, filtering area filler；12nd, water hole；2nd, reaction zone；22nd, water purification
Water outlet；3rd, pad system；31st, positive plate；32nd, positive plate connects electric handle；33rd, negative plate；34th, negative plate connects electric handle；4th, wrap up in around
Biomembrane on negative plate；5th, filler；6th, the first filler；7th, the second filler；8th, isolation film；9-1, pretreatment system；9-2、
Three-diemsnional electrode biomembrane and photoelectricity reoxygenation concerted reaction device；9-3, drainage equipment；9-4, electric system.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although this public affairs is shown in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to be best understood from the disclosure, and can be by this public affairs on the contrary, providing these embodiments
The range opened completely is communicated to those skilled in the art.
A kind of device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease, with reference to figure 1, described device includes one
Housing, the housing both sides are respectively equipped with sewage inlet 10 and water purification water outlet 22, and the housing includes and sewage inlet
10 connected filtering areas 1 and the reaction zone 2 being connected with water purification water outlet 22, the filtering area 1 and reaction zone 2 separated by partition board and
The two is connected by the water hole 12 on partition board；And the water hole 12 is equipped with microporous barrier；The reaction zone includes pole plate
System 3, isolation film 8, filler 5, specific filler 5 include the first filler 6 and the second filler 7；The pad system includes being arranged on
Two negative plates 33 of the 31 both sides parallel equidistant setting of positive plate 31 and the positive plate in the middle part of reaction zone；Described two cathode
If 33 surface of plate is wrapped up in around dried layer biomembrane 4；The isolation film 8 wraps up the positive plate 31 and positioned at the positive plate 31 and cathode
Among plate 33；First filler 6 is filled in the space of the isolation film and the housing of the reaction zone, it is empty inside isolation film
Between fill second filler 7；Wherein, first filler 6 is the microparticle wrapped up in around biomembrane, and second filler 7 is inhales
Microparticle with photochemical catalyst；The water purification water outlet 55 is equipped with microporous barrier.Wherein, the isolation film 8 is cellulose acetate film.
The microparticle be silica gel absorption particle, 50~400nm of the photocatalyst granular diameter；Material is Detitanium-ore-type TiO2, institute
State nano-TiO2Photochemical catalyst dosage is 68g/L.The distribution density of first filler, 6 and second filler 7 is 60g/L.Wherein,
It is respectively equipped with that positive plate connects electric handle 32 and negative plate connects electric handle 34 in the positive plate and negative plate upper end-face edge；The positive plate
Connect electric handle 32 and negative plate to connect the size of electric handle 34 be 10 × 5cm；1 filler 11 of filtering area is quartz sand.
The positive plate 31 is Ebonex porous ceramic electrodes, and the negative plate 33 is the titanium pole plate that oxalic acid is modified；
Wherein, the positive plate 31 is prepared with the following method：First by sub- titanium dioxide powder and 0.5% polyacrylamide
And a small amount of polyvinyl alcohol adhesive mixing ring is ground 6 hours, then crosses 300 mesh vibrating screens；Obtained ceramic powder is granulated,
It is 5% or so to control particle moisture content, and granularity is 40~80 mesh；Later in 700kg/m2Pressure under thickness is made in a mold
Ceramic blank plate for 3.5mm；First base is heat-treated the moisture and organic binder bond for 24 hours, removed in just base at 85 DEG C；Finally
11h is sintered in 1350 DEG C of vacuum drying oven, you can Ebonex porous ceramic electrodes are made.
Wherein, the negative plate 33 is prepared with the following method：Ti plates are polished first to remove surface with 300 mesh sand paper
Titanium oxide, then in the 10wt%NaOH solution of boiling 1h remove Ti plate surfaces greasy dirt；Later, the Ti plates after cleaning are put
2h is etched into uniform pitted skin in the 5wt% oxalic acid solutions (m/m) of boiling, the middle etching in 0.5vol%HF solution after cleaning
10min increases Ti surface roughnesses；Finally, the Ti plates being disposed are put in the dilute oxalic acid solutions of 1wt% and preserved, you can is made
The titanium pole plate that oxalic acid is modified.
Further, the long 150cm of the housing, width 40cm, high 80cm；The positive plate 31 is rectangle knot with negative plate 33
Structure, length, width and height are consistent, and the spacing of the positive plate 31 and negative plate 33 is 5cm；The positive plate 31 and negative plate 33 are thick
It spends for 5mm, the length height of positive plate 31 and negative plate 33 is the 3/4 of described device.
In the present embodiment, the sewage inlet 10 is provided in the outside of the lower part of the filtering area 1, and sewage
From bottom to top, the water hole 12 is provided in the upper right quarter of the filtering area 1 in the water inlet direction of water inlet 10；Water hole simultaneously
12 are provided in the upper left quarter of the reaction zone 2, and reaction zone water (flow) direction, from left to bottom right, the water purification water outlet 22 is
It is arranged on the right lower quadrant of the reaction zone 2.The interior diameter of the sewage inlet 10, water hole 12 and water purification water outlet 22 can be
5~10cm, and the quantity of sewage inlet 10, water hole 121, water purification water outlet 22 can be 1~2, be selected in present embodiment
It is selected as 1.
Embodiment according to the present utility model provides a kind of using at above-mentioned three-diemsnional electrode biomembrane joint opto-electronic catalysis
The method for managing the device processing stain disease of stain disease, with reference to figure 2, described method includes following steps：
S1 sets pre-processing device 9-1 before the reaction unit, and organic stain disease is introduced the pre-processing device 9-
1, and adjust the PH of water body between 5~9 in the pre-processing device 9-1, the insoluble pollutant of bulky grain is filtered off, is adjusted
Water temperature is to room temperature；
S2 will import the three-diemsnional electrode biomembrane and light by the pretreated stain disease of S1 steps by water inlet 10
Reply by cable oxygen collaboration processing stain disease reaction dress, 9-2, in the reaction unit 9-2 to water body in pollutant carry out degradation urge
Change oxidation, purification processing；
S3, by S2 step purges, treated that water body is collected by water outlet by drainage equipment 9-3；Further filtering
After discharge.
In the present embodiment, the anode connects electric handle 32 and cathode connects electric handle 34 and distinguishes external electric power system 9-4, electric power
Low-voltage dc power supply can be used in system 9-4, and 0~50V of voltage, 0~2A of electric current is adjustable.
Comparative example 1
Using the three-diemsnional electrode biomembrane of the utility model above-described embodiment and photoelectricity reoxygenation concerted reaction device and tradition
Electrochemical oxidation device handles the waste water for containing high concentration perfluorochemical (PFCs).
1) the μ S/cm of conductivity of waste water >=1500；
2) diving pump discharge is 2~4t/h；
3) voltage≤30V, electric current≤30mA/cm2。
Condition is not specified with reference to Conventional electrochemical oxidation unit typical processing conditions in other.
Comparing result is shown in Table 1.
Table 1：Conventional apparatus handles perfluorochemical (PFCs) waste water Comparative result with the utility model reaction unit
Comparative example 2
At the method for the organic stain disease of the efficient process of the utility model above-described embodiment and Conventional electrochemical oxidation
Reason method handles life stain disease.
1) the μ S/cm of conductivity of waste water >=1200；
2) diving pump discharge is 2~4t/h；
3) voltage≤20V, electric current≤30mA/cm2。
Condition is not specified with reference to Conventional electrochemical oxidation treatment method typical processing conditions in other.
Comparing result is as follows：
Conventional electrochemical oxidation treatment method：
CODCr：1871.4mg L-1It is down to 585.1mg L-1；
Ammonia nitrogen：141.2mg L-1It is down to 32.5mg L-1；
Total phosphorus：13.8mg L-1It is down to 7.1mg L-1；
The utility model reaction unit：
CODCr：1871.4mg L-1It is down to 65.1mg L-1；
Ammonia nitrogen：141.2mg L-1It is down to 7.1mg L-1；
Total phosphorus：13.8mg L-1It is down to 1.2mg L-1；
By above-mentioned comparative example 1 and 2 as it can be seen that the perfluorochemical (PFCs) and life stain disease of processing same concentrations, use
The utility model reaction unit can handle more high-concentration waste waters than conventional apparatus in same time, and treatment effeciency significantly carries
It rises, energy consumption is decreased obviously.In continuous operation, have no that anode plate surface organic carbon precipitates.Through examining, stain disease ammonia after processing
Nitrogen content significantly reduces, the enhancing of the utility model reaction unit obvious processing effect.Operating status is good in practical operation, equipment
It is easy to maintain.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, can be readily occurred in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with
Subject to the scope of the claims.
Claims (9)
1. a kind of device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease, which is characterized in that described device includes
One housing, the housing both sides are respectively equipped with sewage inlet and water purification water outlet, and the housing includes and sewage inlet phase
Filtering area even and the reaction zone that is connected with water purification water outlet, the filtering area and reaction zone separated by partition board and the two by every
Water hole connection on plate；And the water hole is equipped with microporous barrier；The reaction zone includes pad system, isolation film, the
One filler and the second filler；It is parallel with the positive plate both sides that the pad system includes the positive plate being arranged in the middle part of reaction zone
Two negative plates being placed equidistant with；If described two cathode plate surfaces are wrapped up in around dried layer biomembrane；The isolation film package is described just
Pole plate is simultaneously located among the positive plate and negative plate；Described in the filling of the space of the isolation film and the housing of the reaction zone
First filler fills second filler in isolation film inner space；Wherein, first filler is micro- wrapped up in around biomembrane
Grain, second filler is the microparticle for being adsorbed with photochemical catalyst；The water purification water outlet is equipped with microporous barrier.
2. the device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease as described in claim 1, which is characterized in that
The isolation film is cellulose acetate film.
3. the device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease as described in claim 1, which is characterized in that
The microparticle be silica gel absorption particle, 50~400nm of the photocatalyst granular diameter；Material is Detitanium-ore-type TiO2, institute
State nano-TiO2Photochemical catalyst dosage is 5~10g/L.
4. the device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease as claimed in claim 3, which is characterized in that
The nano-TiO2Photochemical catalyst dosage is 6~8g/L.
5. the device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease as described in claim 1, which is characterized in that
The distribution density of first filler and the second filler is 50~150g/L.
6. the device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease as claimed in claim 5, which is characterized in that
The distribution density of first filler and the second filler is 60~90g/L.
7. the device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease as described in claim 1, which is characterized in that
It is respectively equipped with that positive plate connects electric handle and negative plate connects electric handle in the positive plate and negative plate upper end-face edge；The positive plate connects electricity
The size that handle and negative plate connect electric handle is 10 × 5cm；The filtering area filler is quartz sand.
8. the device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease as described in claim 1, which is characterized in that
The positive plate is Ebonex porous ceramic electrodes, and the negative plate is the titanium pole plate that oxalic acid is modified.
9. the device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease as described in claim 1, which is characterized in that
The housing grows 100~200cm, wide 30~60cm, high 50~100cm；The positive plate and negative plate are rectangular configuration, length and width
Height is consistent, and the spacing of the positive plate and negative plate is 2~10cm；The positive plate and cathode plate thickness are 1~8mm,
The length height of positive plate and negative plate is the 2/3~4/5 of described device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721731207.1U CN207498126U (en) | 2017-12-11 | 2017-12-11 | The device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721731207.1U CN207498126U (en) | 2017-12-11 | 2017-12-11 | The device of three-diemsnional electrode biomembrane joint opto-electronic catalytic treatment stain disease |
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| CN207498126U true CN207498126U (en) | 2018-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178286A (en) * | 2017-12-11 | 2018-06-19 | 广东信丰达环保科技有限公司 | Three-diemsnional electrode biomembrane cooperates with the apparatus and method of processing stain disease with photoelectricity reoxygenation |
-
2017
- 2017-12-11 CN CN201721731207.1U patent/CN207498126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178286A (en) * | 2017-12-11 | 2018-06-19 | 广东信丰达环保科技有限公司 | Three-diemsnional electrode biomembrane cooperates with the apparatus and method of processing stain disease with photoelectricity reoxygenation |
| CN108178286B (en) * | 2017-12-11 | 2024-01-26 | 广东信丰达环保科技有限公司 | Device and method for cooperatively treating sewage and wastewater by three-dimensional electrode biomembrane and photoelectric reoxygenation |
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