CN105923945A - Device and method for recycling phosphorus in sludge without energy consumption by means of assistance of bioelectrochemistry - Google Patents
Device and method for recycling phosphorus in sludge without energy consumption by means of assistance of bioelectrochemistry Download PDFInfo
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- CN105923945A CN105923945A CN201610323061.0A CN201610323061A CN105923945A CN 105923945 A CN105923945 A CN 105923945A CN 201610323061 A CN201610323061 A CN 201610323061A CN 105923945 A CN105923945 A CN 105923945A
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- conveyer belt
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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
- C02F11/00—Treatment of sludge; Devices therefor
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/006—Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological 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
- C02F2101/105—Phosphorus compounds
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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
- Y02W10/20—Sludge processing
Abstract
The invention discloses a device and method for recycling phosphorus in sludge without energy consumption by means of assistance of bioelectrochemistry. The device comprises a reactor and a phosphorus recycling circulating device, the reactor is internally provided with an anode chamber, a cathode chamber and a recycling chamber, the anode chamber is internally provided with anode electrodes, the cathode chamber is internally provided with cathode electrodes, the phosphorus recycling device comprises a first adsorption conveyor belt of which the input end is located in the cathode chamber, and the output end is located above the recycling chamber, a second adsorption conveyor belt of which the input end is located in the recycling chamber, and the output end is located above the cathode chamber and a driving mechanism which drives the first adsorption conveyor belt and the second adsorption conveyor belt to operate, and a power interface of the driving mechanism is connected with the anode electrodes and the cathode electrodes through wires. According to the device and method for recycling phosphorus in the sludge without energy consumption by means of assistance of the bioelectrochemistry, a microbial fuel cell generates a current to drive the conveyor belts for transportation, and recycling of phosphorus in the sludge without energy consumption is achieved.
Description
Technical field
The present invention relates to microbiological fuel cell and phosphorus recovery technology, be specifically related to phosphorus in a kind of mud
Bio electrochemistry auxiliary is without power consumption retracting device and method.
Background technology
Phosphorus is that world food produces an important source of nutrition, and in nature, phosphorus is mainly with phosphoric acid
In Ore presented in salt, the phosphate rock resource reserves deficiency in the whole world is exploited 100 years, and distributed pole is not
Balance, is distributed mainly on Morocco's (42%), China (26%), U.S.'s (7%), South Africa (5%),
Other countries lacking phosphate rock resource depend on import phosphor resource and meet this country's production needs.Phosphorus
Fate behavior in nature is that a kind of One Direction Transfer converts, and it can not enter sky as nitrogen
Gas, then enter in organism from air, it is a kind of valuable non-renewable resources.Therefore, at present
Phosphate rock resource gets growing concern for as a kind of scarcity strategic resource and studies.
At present, phosphorus recovery method has the method that chemical method or biochemistry combine.Such as phosphate
Facture, biological concentration method, membrane separation technique method, absorption method etc..
Patent CN105198168 A have developed a kind of collection A2/ O, MBR and biological contact oxidation pond
Advantage, in one, successfully solves the competition of DPAOS in traditional handicraft, denitrifying bacterium and nitrifier
Property contradiction: there are two sludge ages in technique, by nitrifying process from A2/ O separates, allows
Sewage fully carries out digestion reaction at biological contact oxidation pond.The nitre that biological contact oxidation pond is returned
State nitrogen is A2The anoxic zone of/O provides the electron acceptor of abundance, provides very well for denitrification dephosphorization
Environment.But the Phosphorus Removal from Municipal Wastewater that this invention is only applicable to low ratio of carbon to ammonium processes technique, range of application
Less, and it is the longest to process technique, completes a dephosphorization technology about 14 hours.
Patent CN105214629 A provides a kind of biomass-based nano lanthanum oxide dephosphorization composite adsorption
Agent, this compound adsorbent, with biomass anion exchange resin as matrix, it loads nano lanthanum oxide.
Compared with current material, the electrostatic of the biomass combined adsorbent of this invention gained existing highly basic quaternary amines
Sucking action has again the nano lanthanum oxide exclusive adsorption of specificity to phosphate radical, therefore adsorption capacity
It is greatly improved.But, this present invention complexity length loaded down with trivial details, time-consuming, that single prepares dosage is little,
Have not been achievable large-scale production.
Patent CN105195207 A provides a kind of decolouring, denitrogenation dephosphorizing composite catalytic oxidation material,
It is applied to surface water pollution decolouring, the comprehensive control of denitrogenation dephosphorizing.The composite catalyzing oxygen that this invention prepares
Formed material has superior decolouring, the treatment effect of denitrogenation dephosphorizing, and has certain magnetic, it is simple to
Recycling after catalysis.But this invented technology is the longest, and dephosphorization rate is not as good as 20%, inefficiency.
Summary of the invention
The present invention provides a kind of bio electrochemistry auxiliary Non-energy-consumption to reclaim the device and method of phosphorus in mud
Produce electric current with microbiological fuel cell and drive conveyer belt transport, it is achieved in mud, the Non-energy-consumption of phosphorus returns
Receive.Build magnetic field, the directional migration of assisted magnetic adsorbing material so that ferrum phosphorus complex can simultaneously
Displacement separates with remaining impurity, has fall dirt, production capacity, triple benefits of recovery phosphorus.
A kind of bio electrochemistry auxiliary Non-energy-consumption reclaims the device of phosphorus in mud, including reactor, described
Be divided into anode chamber, cathode chamber and the recovery room arranged the most successively in reactor, anode chamber with
It is anion exchange membrane between cathode chamber, is dividing plate between cathode chamber and recovery room, arranges in anode chamber
Anode electrode, arranges cathode electrode and aerator in cathode chamber；Also include that phosphorus reclaims circulating device,
Described phosphorus recovery device includes:
The first absorption that input is positioned at described cathode chamber, outfan is positioned at above described recovery room passes
Send band；
The second absorption that input is positioned at described recovery indoor, outfan is positioned at above described cathode chamber passes
Send band；
Drive the drive mechanism that described first absorption conveyer belt and the second absorption conveyer belt run, this driving
The power interface of mechanism passes through wire jointed anode electrode and cathode electrode
First Magnet in magnetic field is provided for described first absorption conveyer belt and is located at back in being located at cathode chamber
Receive indoor the second Magnet that magnetic field is provided for described second absorption conveyer belt；
And at cathode chamber with reclaim the magnetic absorption granule of circulation between room.
The input of the first absorption conveyer belt is installed in described cathode chamber by driven voller, outfan leads to
Cross drive roll and be installed on the top of described recovery room；The input of the second absorption conveyer belt passes through driven voller
It is installed on the top that described recovery is indoor, outfan is installed on described cathode chamber by drive roll；Two
The drive roll of absorption conveyer belt is all connected with drive mechanism.
Entering anode chamber through broken pretreated mud, multiparity electricity bacterium degradation of organic substances produces electronics,
Obtained electronics is transferred to negative electrode by external circuit, forms electric current, and produced electric current is used for driving conveyer belt to transport
Defeated.Meanwhile, phosphate anion arrives cathode chamber, the phosphorus in cathode chamber by anion exchange membrane
Acid ion is adsorbed on the first absorption conveyer belt by magnetic medium and the action of a magnetic field, is inhaled by first
The outfan of attached conveyer belt falls to reclaim indoor, and the medium after reclaiming indoor parsing is inhaled by second again
The conveying of attached conveyer belt can negative electrode indoor.
Described drive mechanism is the conventional drive device such as motor.
Preferably, described first Magnet is located at inside the first conveyer belt；Described second Magnet is located at second
Inside absorption conveyer belt.
Further preferably, described first Magnet and the second Magnet are bar magnet.
Phosphate anion arrives cathode chamber by anion exchange membrane and is adsorbed by magnetic adsorbent.Bar shaped
Magnet produces magnetic field, makes magnetic adsorbent displacement under the influence of a magnetic field be attached to conveyer belt table
Face.Transported by conveyer belt, be transferred to reclaim room from cathode chamber, adsorbent and phosphate radical complex with
Desorbed solution interact, displace phosphate radical, finally realize phosphorus disengaging from mud and success with
Adsorbent surface is desorbed.Adsorbent after resolving enters recovery of circulatory system, transmits along the second absorption
Band returns cathode chamber, it is achieved recycle.
The present invention produces electric current with microbiological fuel cell and drives conveyer belt transport, builds magnetic field simultaneously,
The directional migration of assisted magnetic adsorbing material so that ferrum phosphorus complex can displacement and remaining impurity
Separately, there are fall dirt, production capacity, triple benefits of recovery phosphorus
It is further preferred that the vertical interval between described first Magnet and described anion exchange membrane is
The 1/5～1/3 of first absorption conveyer belt one-way transmission length；Between described second Magnet and described dividing plate
Vertical interval is the second absorption conveyer belt one-way transmission length 1/5～1/3.
Preferably, the one-way transmission length of described first absorption conveyer belt and the second absorption conveyer belt is
1/2～1 width of cathode chamber.
Preferably, the input of described first absorption conveyer belt is installed on 1/4 in described cathode chamber～2/3
In height；The input of described second absorption conveyer belt is installed on described 1/4～2/3 height reclaiming indoor
In degree.
Excessive height, then contact surface is few, and adsorbance is few, reduces recycled in its entirety speed；It is the most too low,
Then conveyer belt resistance is excessive, and the driving that anode is produced electricity is not enough, causes conveyer belt to rotate slow.Specifically
Highly depending on anode is intake, sufficient at water quality Organic substance, i.e. under anode current abundance premise, as far as possible
Conveyer belt is forced down, area increased, improve adsorbance.
Preferably, described anode electrode include graphite electrode, be compounded in graphite electrode surface biology hold concurrently
Hold layer and cover the product electricity bacterium biomembrane on bio-compatible layer surface.
Anode electrode is to be covered with the combination electrode that bio-compatible layer is composited, described life on graphite electrode
Thing compatible layer surface covers produces electricity bacterium biomembrane.
Described bio-compatible layer selects that specific surface area is big, good conductivity and the good material of bio-compatibility
Material, more preferably carbon-based material (Graphene, CNT, activated carbon), conducting polymer (gather
Aniline).Consider from price and stability, more preferably activated carbon.
Negative electrode needs to screen corrosion-resistant antioxidative metal material and with oxygen as electron acceptor, further
Preferably, described cathode material is stainless steel electrode.
Described anode chamber is isolated by anion exchange membrane with cathode chamber, and anode is less than with cathode spacing
20cm, distance is crossed conference and is caused the internal resistance of cell excessive, thus reduces the output of microbiological fuel cell electric energy
Preferably, described anode electrode is 10～20cm with the spacing of cathode electrode.
The present invention also provides for one and utilizes phosphorus Non-energy-consumption retracting device in described mud to carry out phosphorus in mud
The method reclaimed, comprises the steps:
(1) broken pretreated mud supernatant being sent into anode chamber, multiparity electricity bacterium is degraded, institute
Obtaining electronics and be transferred to negative electrode by external circuit, form electric current, phosphate anion is handed over by anion simultaneously
Change film and arrive cathode chamber；
(2) first bar magnets produce magnetic field, make the magnetic absorption granule being adsorbed with phosphate radical at magnetic
Effect under displacement be attached to the first absorption conveyer belt surface, cathode electrode and anode electrode it
Between electric current support first absorption conveyer belt run；
(3) transported by the first absorption conveyer belt, be adsorbed with the magnetic absorption granule of phosphate radical from the moon
Room, pole is transferred to reclaim above room, reclaims above room away from magnetic field, is adsorbed with the magnetic absorption of phosphate radical
Granule departs from the first absorption conveyer belt and falls into recovery indoor, realizes solving with reclaiming indoor desorbed solution effect
Analysis, it is achieved phosphorus disengaging from mud and success are desorbed with adsorbent surface；
(4) the magnetic absorption granule after resolving is attached to the second suction under the effect of the second bar magnet
Attached conveyer belt surface, the electric current between cathode electrode and anode electrode supports the first absorption conveyer belt fortune
OK；Magnetic absorption granule runs to above cathode chamber with the second absorption conveyer belt, above cathode chamber away from
Magnetic field, magnetic absorption granule comes off from the second absorption conveyer belt and falls in cathode chamber, it is achieved follow
Ring utilizes.
Above-mentioned step is continuously and circulation is carried out, the Organic substance in sustaining degradation mud, and occurs at cathode chamber
Adsorption reaction, reclaims phosphorus in reclaiming room.
Preferably, containing electrolyte solution in cathode chamber, described electrolyte is M9 solution.
Preferably, the indoor NaOH solution that desorbed solution is 5%-10% is reclaimed.
Preferably, in order to farthest Phosphate Sorption, described adsorbing material is magnetic ferrites
Adsorbent CMC-CoFe2O4, this adsorbent can be recycled by absorption parsing, will not produce
Secondary pollution, and there is magnetic, it is simple to later separation reclaims, it is possible to use magnetic Fe3O4/ Beta boils
Stone, nanostructured Fe3O4/Y2O3Magnetic-particle, these magnetic-particles are existing method and prepare
Or obtained by commercial approach.
Handling principle of the present invention is as follows:
Entering anode chamber through broken pretreated mud, multiparity electricity bacterium degradation of organic substances produces electronics,
Obtained electronics is transferred to negative electrode by external circuit, forms electric current, and produced electric current is used for driving conveyer belt to transport
Defeated.Meanwhile, phosphate anion arrives cathode chamber by magnetic adsorbent institute by anion exchange membrane
Absorption.Bar magnet produces magnetic field, makes magnetic adsorbent displacement under the influence of a magnetic field be attached to
Special conveyer belt surface.Transported by conveyer belt, be transferred to reclaim room, adsorbent and phosphorus from cathode chamber
Acid group complex interacts with desorbed solution, displaces phosphate radical, finally realizes phosphorus taking off from mud
From and success with adsorbent surface be desorbed.Adsorbent after resolving enters recovery of circulatory system, real
Now recycle (the handling principle figure that Fig. 2 show the present invention).
Compared with prior art, there is advantages that
(1) produce electricity with the fall dirt of MFC reactor and support conveyer belt transport, it is not necessary to external energy puts into.
(2) conveyer belt realizes attachment, desorption integration.
(3) magnetic adsorbent realizes recycling.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is this plant running schematic diagram.
Shown in figure, reference is as follows:
| 1-anode chamber | 2-anode electrode | 3-anion exchange membrane |
| 4-cathode chamber | 5-the first bar magnet | 6-first adsorbs conveyer belt |
| 7-reclaims room | 8-phosphate radical | 9-agitator |
| 10-reacts complex | 11-cathode electrode | 12-second adsorbs conveyer belt |
| 13-the second bar magnet | 14-drive roll | 15-drive mechanism |
Detailed description of the invention
As it is shown in figure 1, phosphorus Non-energy-consumption retracting device in a kind of mud, loop back including reactor and phosphorus
Receiving apparatus, reactor is three Room reactors, is followed successively by anode chamber 1, cathode chamber 4 and returns in reactor
Receive room 7, be anion exchange membrane 3 between anode chamber and cathode chamber, between cathode chamber and recovery room be
Dividing plate (cathode chamber is separated by lucite spacer between room with reclaiming), arranges anode electricity in anode chamber
Arranging cathode electrode 11 in pole 2, cathode chamber, in anode chamber and recovery indoor are equipped with agitator 9,
Aerator is also set up (not shown in figure bottom cathode chamber.
Phosphorus circulation and stress device includes that the first absorption conveyer belt 6, second adsorbs conveyer belt 12 and drives
Mechanism 15, the input of the first absorption conveyer belt is arranged in cathode chamber by driven voller, outfan leads to
Crossing drive roll and be arranged on above recovery room, the second absorption conveyer belt input is arranged on back by driven voller
Receive indoor, outfan is arranged on above cathode chamber by drive roll, the drive roll of two absorption conveyer belts
Driven by drive mechanism 15, the power interface of drive mechanism 15 by wire jointed anode electrode and
Cathode electrode, is powered by the electric current produced between electrode, apparent for ease of accompanying drawing, letter in accompanying drawing 1
Change the connected mode between drive mechanism 15 and conveyer belt.
In first absorption conveyer belt and be positioned at cathode chamber and arrange the first bar magnet 5, the second absorption passes
Send band interior and be positioned at recovery indoor and the second bar magnet 13 is set, bar magnet be that corresponding absorption passes
Band is sent to provide magnetic field.
In 1/4～2/3 height that the input of the first absorption conveyer belt is installed in cathode chamber；Second inhales
The input of attached conveyer belt is installed on and reclaims in 1/4～2/3 indoor height；First Magnet and anion
Vertical interval between exchange membrane is the 1/5～1/3 of the first absorption conveyer belt one-way transmission length；Second
Vertical interval between Magnet and dividing plate is the 1/5～1/3 of the second absorption conveyer belt one-way transmission length.
Mud after Po Sui is sent in anode chamber, contains electrolyte M9 in cathode chamber, reclaims indoor Sheng
Dress desorbed solution, negative electrode indoor distribution, for the magnetic absorption granule 10 of Phosphate Sorption acid group, is inhaled by magnetic
The interaction in attached granule and magnetic field realizes recovery and the circulation of magnetic absorption granule of phosphate anion
Utilize.
The working method of the present invention is as follows:
Mud after pretreatment enters anode chamber, and multiparity electricity bacterium degradation of organic substances produces electronics, is obtained
Electronics is transferred to negative electrode by external circuit, forms electric current, is used for driving conveyer belt to transport.Meanwhile,
Phosphate anion arrives cathode chamber by anion exchange membrane and is adsorbed by magnetic adsorbent.Bar magnet
Produce magnetic field, make magnetic adsorbent displacement under the influence of a magnetic field be attached to special conveyer belt table
Face.Transported by conveyer belt, be transferred to reclaim room from cathode chamber, adsorbent and phosphate radical complex with
Desorbed solution interact, displace phosphate radical, finally realize phosphorus disengaging from mud and success with
Adsorbent surface is desorbed.Adsorbent after resolving enters recovery of circulatory system, it is achieved recycle.
Application example 1
Embodiment is same as described above, and influent COD is 3980mg/L, the negative electrode selected in embodiment
Liquid is M9 solution, and magnetic adsorbent is CMC-CoFe2O4, initial concentration is 2g/L, catholyte
Body PH is 2.5, and reclaiming room and resolving agent is the NaOH of 5%, and conveyer belt transfer rate is 1m/min,
Final anolyte water outlet COD is 388mg/L, and product electric output power is 1.2w/m2, dephosphorization efficiency is
92.32%.
Application example 2
Embodiment is same as described above, and influent COD is 4100mg/L, the negative electrode selected in embodiment
Liquid M9 solution, magnetic adsorbent is CMC-CoFe2O4, initial concentration is 2.5g/L, negative electrode liquid
PH is 2.5, and reclaiming room and resolving agent is the NaOH of 5%, and conveyer belt transfer rate is 1m/min,
Whole anolyte water outlet COD is 410mg/L, and product electric output power is 1.2w/m2, dephosphorization efficiency is
95.23%.
The foregoing is only the case that is embodied as of patent of the present invention, but the technical characteristic of patent of the present invention
Be not limited thereto, any those skilled in the relevant art in the field of the invention, the change made
Or modify all contain among the scope of the claims of the present invention.
Claims (9)
1. bio electrochemistry auxiliary Non-energy-consumption reclaims a device for phosphorus in mud, including reactor,
Anode chamber, cathode chamber and recovery room, the anode arranged the most successively it is divided in described reactor
It is anion exchange membrane between room and cathode chamber, is dividing plate between cathode chamber and recovery room, in anode chamber
Anode electrode is set, cathode electrode and aerator are set in cathode chamber；It is characterized in that, also include
Phosphorus reclaims circulating device, and described phosphorus recovery device includes:
The first absorption that input is positioned at described cathode chamber, outfan is positioned at above described recovery room passes
Send band；
The second absorption that input is positioned at described recovery indoor, outfan is positioned at above described cathode chamber passes
Send band；
Drive the drive mechanism that described first absorption conveyer belt and the second absorption conveyer belt run, this driving
The power interface of mechanism passes through wire jointed anode electrode and cathode electrode
First Magnet in magnetic field is provided for described first absorption conveyer belt and is located at back in being located at cathode chamber
Receive indoor the second Magnet that magnetic field is provided for described second absorption conveyer belt；
And at cathode chamber with reclaim the magnetic absorption granule of circulation between room.
Device the most according to claim 1, it is characterised in that described first Magnet is located at first
Inside conveyer belt；Described second Magnet is located at inside the second absorption conveyer belt.
Device the most according to claim 2, it is characterised in that described first Magnet and described the moon
Vertical interval between ion exchange membrane is the 1/5～1/3 of the first absorption conveyer belt one-way transmission length；
Vertical interval between described second Magnet and described dividing plate is that the second absorption conveyer belt one-way transmission is long
The 1/5～1/3 of degree.
Device the most according to claim 1, it is characterised in that described first absorption conveyer belt and
The one-way transmission length of the second absorption conveyer belt is 1/2～1 width of cathode chamber.
Device the most according to claim 1, it is characterised in that described first absorption conveyer belt
Input is installed in 1/4 in described cathode chamber～2/3 height；Described second adsorbs the defeated of conveyer belt
Enter end and be installed on described recovery in 1/4～2/3 indoor height.
Device the most according to claim 1, it is characterised in that described anode electrode includes graphite
Electrode, the bio-compatible layer being compounded in graphite electrode surface and the covering product on bio-compatible layer surface
Electricity bacterium biomembrane.
Device the most according to claim 1, it is characterised in that described anode electrode and negative electrode electricity
The spacing of pole is 10～20cm.
8. one kind utilizes phosphorus Non-energy-consumption retracting device in mud described in claim 1 to carry out phosphorus in mud
The method reclaimed, it is characterised in that comprise the steps:
(1) broken pretreated mud supernatant being sent into anode chamber, multiparity electricity bacterium is degraded, institute
Obtaining electronics and be transferred to negative electrode by external circuit, form electric current, phosphate anion is handed over by anion simultaneously
Change film and arrive cathode chamber；
(2) first Magnet produce magnetic field, make the magnetic absorption granule being adsorbed with phosphate radical in magnetic field
The lower displacement of effect is attached to the first absorption conveyer belt surface, between cathode electrode and anode electrode
Electric current supports that the first absorption conveyer belt runs；
(3) transported by the first absorption conveyer belt, be adsorbed with the magnetic absorption granule of phosphate radical from the moon
Room, pole is transferred to reclaim above room, reclaims above room away from magnetic field, is adsorbed with the magnetic absorption of phosphate radical
Granule departs from the first absorption conveyer belt and falls into recovery indoor, realizes solving with reclaiming indoor desorbed solution effect
Analysis, it is achieved phosphorus disengaging from mud and success are desorbed with adsorbent surface；
(4) the magnetic absorption granule after resolving is attached to the second absorption under the effect of the second Magnet and passes
Sending belt surface, the electric current between cathode electrode and anode electrode supports that the first absorption conveyer belt runs；Magnetic
Property adsorption particle run to above cathode chamber with the second absorption conveyer belt, away from magnetic field above cathode chamber,
Magnetic absorption granule comes off from the second absorption conveyer belt and falls in cathode chamber, it is achieved circulation profit
With.
Method the most according to claim 8, it is characterised in that the electrolyte in cathode chamber is M9
Solution；Reclaim the indoor NaOH solution that desorbed solution is 5%-10%；Magnetic absorption granule is magnetic
Ferrite adsorbent CMC-CoFe2O4。
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|---|---|---|---|
| CN201610323061.0A CN105923945B (en) | 2016-05-16 | 2016-05-16 | A kind of bioelectrochemistry auxiliary Non-energy-consumption recycles the device and method of phosphorus in sludge |
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| CN201610323061.0A CN105923945B (en) | 2016-05-16 | 2016-05-16 | A kind of bioelectrochemistry auxiliary Non-energy-consumption recycles the device and method of phosphorus in sludge |
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| CN105923945B CN105923945B (en) | 2018-09-11 |
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| CN114873819A (en) * | 2022-05-27 | 2022-08-09 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Multi-pollutant sewage magnetic treatment system |
| CN115656282A (en) * | 2022-10-28 | 2023-01-31 | 湖北理工学院 | Lanthanum-loaded air cathode microbial fuel cell type phosphorus sensor |
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| CN114380369A (en) * | 2022-01-27 | 2022-04-22 | 重庆融极环保工程有限公司 | Device and method for rapidly recovering phosphate based on weak electric field |
| CN114873819A (en) * | 2022-05-27 | 2022-08-09 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Multi-pollutant sewage magnetic treatment system |
| CN115656282A (en) * | 2022-10-28 | 2023-01-31 | 湖北理工学院 | Lanthanum-loaded air cathode microbial fuel cell type phosphorus sensor |
| CN115656282B (en) * | 2022-10-28 | 2023-09-12 | 湖北理工学院 | Lanthanum-loaded air cathode microbial fuel cell type phosphorus sensor |
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| CN105923945B (en) | 2018-09-11 |
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