CN106006817A - Sewage dephosphorization device convenient for usage of magnetic adsorbent and application of sewage dephosphorization device - Google Patents
Sewage dephosphorization device convenient for usage of magnetic adsorbent and application of sewage dephosphorization device Download PDFInfo
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- CN106006817A CN106006817A CN201610453855.9A CN201610453855A CN106006817A CN 106006817 A CN106006817 A CN 106006817A CN 201610453855 A CN201610453855 A CN 201610453855A CN 106006817 A CN106006817 A CN 106006817A
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/481—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets
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Abstract
The invention relates to a sewage dephosphorization device convenient for usage of a magnetic adsorbent and application of the sewage dephosphorization device. The device comprises a reaction tank, stirring equipment and a magnetic separation assembly; a central hole is formed in the center of the upper portion of the reaction tank, a stirring paddle is arranged in the reaction tank through the central hole, and the magnetic separation assembly is arranged at the bottom of the reaction tank. The device is used through the steps of water feeding, adsorbing, magnetic separating and processed water draining, desorbing, magnetic separating and eluant draining and regenerating. According to the device, the adsorbing-desorbing-regenerating processes applied by the magnetic adsorbent are unified in a reactor with a simple structure to be conducted, the dual purposes of water purifying and recycling of phosphorus in sewage are achieved, and the advantages of being simple in structure and achieving comprehensive functions are achieved.
Description
Technical field
The present invention relates to water treatment field, be specifically related to a kind of sewage dephosphorization dress being easy to magnetic adsorbent use
Put and apply.
Background technology
In recent years, the eutrophication problem of the water body such as lake, river and bay is the most serious.Eutrophication is made
The consequences such as the ecological deterioration of one-tenth, bio-diversity reduction, have had a strong impact on ecological balance and social economy's sustainable development
Exhibition.At present, existing numerous studies show, eutrophication results from the excessive accumulation of nutrient salt in water element, and
Phosphorus is the restricted factor of body eutrophication." the nutritive salt mark that American National Environmental Protection Administration (USEPA) issues
Quasi-fire protection technology " to point out, in water body, the content of phosphorus is more than 0.02mg/L, just has the risk that eutrophication breaks out.
Meanwhile, phosphorus, as the indispensable element of plant growing, is the important component part of Crop fertilizer.Work
Since industry revolution, the sharp increase of world population, the demand of grain is quickly increased, thus brings phosphate rock resource
Acceleration exploitation.But, in nature phosphorus circulates, land phosphorus can constantly run off to ocean, is eventually deposited at
Seabed is difficult by.Therefore, the mankind will face the crisis that serious phosphor resource is deficient.According to statistics, the whole world is existing
Commercially valuable phosphorus ore at most can only exploit again 50～100 years.And in the country of some phosphor resources scarcities,
The famine problem that " phosphorus is waste " causes is the most in the offering.
Based on above 2 points, process in water phosphorus and by its recycling, both can purify water, it is also possible to obtain
Obtain valuable phosphor resource, it is achieved environmental conservation and the win-win of economic development.
Absorption method processes the phosphorus in water, has the features such as good stability, low cost, floor space are little.Same with this
Time, the phosphorus of absorption can be carried out regeneration by certain method eluting and resource reclaim.Therefore, the method quilt
It is considered one of the most promising current sewage dephosphorization technology.But, traditional adsorbent is often deposited after the reaction
It is difficult to the problem reclaimed, thus follow-up adsorbent reactivation and pollutant recovery process cannot be realized.Ask for this
Topic, becomes research and development focus in recent years with magnetic adsorbent.This adsorbent is by the absorption of active some position
Material combines with magnetisable material (such as magnetic iron ore, Zero-valent Iron etc.), will by applying magnetic field after adsorption reaction completes
Adsorbent is separated from the water out, reuses after regeneration.By this method, suction can effectively be extended
The service life of attached dose, the most also the resource for phosphorus provides conveniently.Have developed substantial amounts of magnetic
Adsorbent, the purification of phosphorus and enrichment in water.
Obviously, the use of magnetic adsorbent must be carried out in certain reaction unit.Such device needs:
(1) rational mixing plant, to promote carrying out completely of adsorption reaction；(2) magnetic field can periodically be produced
Assembly, react (or zeolite regeneration) time do not produce magnetic field, in order to fully carrying out of reaction, and reaction (or
Person's zeolite regeneration) terminate after provide externally-applied magnetic field when needing Magneto separate, it is achieved solid-liquid separation.Meanwhile, conjunction to be had
The use steps and operations flow process of reason, it is ensured that the realization of " adsorption/desorption regeneration " circulation process, reaches to inhale
The purpose that the recycling of enclosure material and phosphor resourceization reclaim.
Open source literature for the reactor design and operating process thereof of being easy to magnetic adsorbent use is the most few.?
Water treatment field, the fast separation device about magnetic coagulated particles thing has more technology (such as Chinese patent CN
101402065B, CN 101402066B), but these technology are not particularly suited for the carrying out of adsorption reaction.Patent
CN103304022A discloses a kind of sewage-treatment plant containing magnetic carrier and method, but this apparatus structure ratio
More complicated, it is unfavorable for popularization and application.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of apparatus structure letter is provided
Single, the sewage dephosphorization device being easy to magnetic adsorbent use of complete function.
It is a further object to provide the using method of this sewage dephosphorization device.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of be easy to magnetic adsorbent use sewage dephosphorization device, this device includes reacting tank body, mixing plant with
And Magneto separate assembly, having centre bore above described reacting tank body, the stirring paddle of described mixing plant is by described
Centre bore be placed in reacting tank body, described Magneto separate assembly is placed in the bottom of reacting tank body.
Described reacting tank body is cylindrical, and ratio of height to diameter is between 0.5～2, excessive less than this scope then tank diameter,
Suitable mixing plant cannot be selected；The most elongated higher than this scope then tank body, stability has been short of.
Described reacting tank body uses rustless steel or polythene material to make, and this allows for preventing tank body by Magneto separate
The corrosion to tank body of the impact of assembly magnetic and the acid & alkali liquid that may use when preventing eluting.
Described reacting tank body centre bore both sides have inlet opening and acid-base value adjusting hole, are also equipped with as required sealing
The lid that property is good, inlet opening and acid-base value adjusting hole when not in use, are covered.
Described reacting tank body bottom side is provided with apopore, for the discharge of water, desorption liquid and regenerated liquid after processing,
Bottom lateral extent reacting tank body size is reacting tank body diameter 0.05～0.1 times under described apopore, higher than this
Being worth, quite a few liquid after Magneto separate cannot flow out smoothly, is then inhaled at the bottom of tank body by magneticaction less than this value
The magnetic adsorbent in portion has the anxiety with liquid outflow.
This device also includes water pump, gate valve, water inlet pipe and outlet pipe, and water pump is connected with water inlet pipe, and gate valve is located at out
On water hole, it is connected with outlet pipe.In described device, inlet and outlet pipe lines all uses flexible silicone tube or rubber control
Become, to ensure the motility of package unit.
Described mixing plant uses rustless steel or polythene material to make equally.
Described mixing plant is preferably paddle type agitator.
Described Magneto separate assembly is ability magnetic electric magnet during only energising, and Magneto separate component external uses every magnetic
Material is protected.Tank body is carried out adsorb or during the reaction such as eluting, electric magnet no power, thus do not show
Magnetic, it is ensured that in tank, magnetic adsorbent mixes with the uniform of sewage；When the reaction is finished, electric magnet is energized, display
Magnetic, the magnetic nanoparticle adsorbent in tank body is deposited to tank base under the dual function of magnetic force and gravity,
Complete solid-liquid separation.Electric magnet model and the selection of size, need according to tank body size and used magnetic adsorbent
Saturation magnetization determine.
This kind of sewage dephosphorization device is in use, use following steps:
(1) water inlet: through water pump, sewage is passed through reacting tank body, regulates suitable acid-base value to promote absorption.Adopt
Magnetic adsorbent include load be hydrated zirconic magnetic iron ore (Fe3O4@ZrO2), water load and zirconic
Ni ferrite (NiFe2O4@ZrO2) etc., when adsorption reaction is carried out, pH value range is adjusted between 4～7；
(2) absorption: starting mixing plant, combined sewage and magnetic adsorbent carry out adsorption reaction；
(3) water after Magneto separate emission treatment: adsorption reaction starts Magneto separate assembly after terminating, after purifying
Water discharge, repeat step (1)-(3), until discharge purification after water can not reach " urban wastewater treatment
Factory's pollutant emission standard " the one-level A standard (0.5mg/L) of defined in (GB 18918-2002), carry out
Desorption processes；
(4) desorption: adding desorbing agent in the reacting tank body of residual magnetic adsorbent and a small amount of sewage, startup is stirred
Mix device, the phosphorus of absorption is eluted, carry out resource recovery.Desorbing agent typically uses concentration to be 0.1～1.5mol/L
NaOH solution, addition is 0.1～2L desorbing agent/g magnetic adsorbent；
(5) Magneto separate discharge eluent: desorption reaction starts electric magnet after terminating, separate magnetic adsorbent and
Desorption liquid, comes back to step (1) and enters recycling；If desorbing agent can make magnetic adsorbent surface physics
Chemical property so on absorption produce impact, need to carry out Regeneration Treatment；
(6) regeneration: add regenerative agent in reacting tank body, the surface of magnetic adsorbent after regulation desorption process
Physicochemical properties so that it is return to original condition, Magneto separate discharges regenerated liquid, comes back to step (1) and enters
Enter to recycle.The H that regenerative agent typically uses concentration to be 0.05～0.1mol/L2SO4With HCl solution etc., add
Dosage is 0.2～2L regenerative agent/g magnetic adsorbent.
Aforesaid operations step adds the amount of magnetic adsorbent, the time of adsorption reaction and the time etc. of Magneto separate,
Relevant with the absorption property of the magnetic adsorbent specifically used and magnetic, need specifically to determine according to material.Again
The kind of raw reagent and addition, it is also desirable to depending on the concrete condition according to adsorbent surface physicochemical properties.
By aforesaid operations, this device is on the basis of standard water discharge, it is possible to achieve repeatedly using of magnetic adsorbent
Resource with phosphorus.
Compared with prior art, provided by the present invention a kind of be easy to magnetic adsorbent use sewage dephosphorization device and
Its application, in being used by magnetic adsorbent, the process of " adsorption/desorption regeneration " is unified in a simple in construction
Reactor in occur, meet water and process and the double goal of phosphor resource, have the advantage that
(1) simple in construction: the main body of whole device is a cylindrical tank, other assemblies only include water pump, stir
Mix oar and be positioned at the Magneto separate assembly of tank base, it is easy to promoting and build and maintenance；
(2) complete function: in a tank body, by the operational mode of " batch-type ", completes magnetic adsorbent
To the absorption of phosphorus in water, exceed standard after the regeneration of magnetic adsorbent after the desorption of phosphorus and desorption, it is achieved that magnetic adsorbent
Recycling, the resource also allowing for phosphorus reclaims.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is present invention process chart when applying；
Fig. 3 is the sewage disposal datagram of embodiment 1；
Fig. 4 is sewage disposal datagram under the conditions of pH=5 in embodiment 1；
In figure: 1-reacting tank body, 2-mixing plant, 3-Magneto separate assembly, 4-water pump, 5-water inlet pipe, 6-water outlet
Pipe, 7-gate valve, 8-centre bore, 9-acid-base value adjusting hole, 10-inlet opening, 11-apopore.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of sewage dephosphorization device being easy to magnetic adsorbent use, its structure is as it is shown in figure 1, include reacting tank body
1, mixing plant 2 and Magneto separate assembly 3, above reacting tank body 1, center has centre bore 8, mixing plant 2
Stirring paddle be placed in reacting tank body 1 by centre bore 8, Magneto separate assembly 3 is placed in the bottom of reacting tank body 1.
Reacting tank body centre bore 8 both sides have inlet opening 10 and acid-base value adjusting hole 9, are also equipped with sealing as required
Good lid, inlet opening 10 and acid-base value adjusting hole 9 when not in use, are covered.Bottom reacting tank body one
Side is provided with apopore 11, for the discharge of water, desorption liquid and regenerated liquid after processing.This device also have water pump 4,
Gate valve 7, water inlet pipe 5 and outlet pipe 6, water pump 4 is connected with water inlet pipe 5, and gate valve 7 is located on apopore 11,
It is connected with outlet pipe 6.
The present embodiment is applied in certain town Sewage Plant secondary effluent, owing to pollutional load raises, and original activated sludge process
The water outlet of technique can not reach in " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002)
The one-level A standard of defined.The pollutant that mainly exceed standard are total phosphorus, and the meansigma methods repeatedly monitored is left at 2.1mg/L
The right side, be above standard limit value 4 times.Other indexs include: COD 45.2mg/L, total nitrogen 13mg/L, ammonia nitrogen 4mg/L,
pH7.65.Therefore, the target that the present embodiment is main is dephosphorization.The scale of the present embodiment is pilot scale level, and single enters
The water yield is 3m3。
In the present embodiment, the magnetic adsorbent of use is Fe3O4@ZrO2, saturation magnetization is 23.65emu/g,
It aligns phosphatic adsorption isotherm according to Langmiur models fitting, and the maximal absorptive capacity obtained is 42.19mg
P/g adsorbent.In the present embodiment, the dosage of adsorbent is 1g/L.Synthesis uses China national patent application public
Technology in cloth CN 104971688A.
In the present embodiment, the specific design parameter of sewage dephosphorization device is: tank diameter 1.5m, high 2m, top
Center drilling, installs paddle type blender.Tank base, outputs the mouth of a river apart from tank bottoms 10cm.Magneto separate used
Assembly is electric magnet.The making material of tank body is polyethylene.
The operating process of the present embodiment sewage dephosphorization device is as in figure 2 it is shown, use following steps:
(1) water inlet: use centrifugal pump to be pumped in tank body by the sewage in regulating reservoir；
(2) absorption: adsorbent and sewage are mixed 1 hour under 100rpm/min；
(3) water after Magneto separate emission treatment: after adsorption reaction terminates, starts electric magnet, Magneto separate 20min
After, the sewage after emission treatment, if water outlet phosphorus concentration is less than 0.5mg/L, repeat (1)～the circulation of (3) the most thereafter,
Until water outlet exceeds standard；
(4) desorption: after water outlet exceeds standard, to remaining Fe3O4@ZrO2With in the device of a small amount of sewage, add
0.3m3The NaOH solution of 1mol/L, mixes 1 hour under 100rpm/min；
(5) Magneto separate discharge desorption liquid: after desorption reaction terminates, starts electric magnet, after Magneto separate 20min,
Discharge desorption liquid；
(6) regeneration: use NaOH in desorption process so that magnetic adsorbent surface hydroxylation, be unfavorable for phosphorus
The absorption of hydrochlorate, it is therefore desirable to by its surface protonated level before use.Concrete operations are, to equipped with desorption
The tank body of rear magnetic adsorbent adds 3m3Water and a certain amount of hydrochloric acid solution, start agitator, will mixing
The pH regulator of the liquid pH value to 4.5, when the most original Fe3O4@ZrO2 mixes with water.After pH is stable,
Start electric magnet solution separating to be discharged, complete Fe3O4@ZrO2Regeneration.Fe after regeneration3O4@ZrO2,
I.e. can reenter next round according to step (1)～(6) to use.
The treatment effect of the present embodiment is shown in Fig. 3, and at influent concentration 2.0mg/L, aqueous concentration is more than 0.5mg/L i.e.
Under conditions of carrying out desorption and regeneration, 5 circulations of plant running.In circulating at 5, device intakes 5 respectively,
4,4,4 and 4 times, the water yield 15,12,12,12 and 12m is processed the most respectively3.In each circulation, water outlet is dense
Degree is initially 0.01～0.04mg/L, along with the concentration that increases of water inlet number of times gradually rises, eventually exceeds 0.5mg/L
One-level emission standard A.Every time in the detachment assays after loop ends, desorption rate is computed respectively reaching
78.70%, 89.10%, 98.15%, 87.27% and 89.71%, desorption liquid adds Calx according to stoichiometric proportion
Precipitated crystal, obtains resource product calcium phosphate crystal 50g.
Owing to acid condition is conducive to Fe3O4@ZrO2To phosphatic absorption, therefore in the present embodiment, additionally visit
Having studied carefully time inlet flow-patterm is adjusted to about 5, the operational effect of device is as shown in Figure 4.In circulating at 5, dress
Put and intake respectively 8,6,6,6 and 6 times, process the water yield 24,18,18,18 and 18m the most respectively3.Each
In circulation, aqueous concentration is initially 0.01～0.02mg/L, along with the concentration that increases of water inlet number of times gradually rises,
One-level emission standard A more than 0.5mg/L eventually.Inlet flow-patterm is turned down, can effectively increase device water outlet and reach
Target number of times, needed for processing the same water yield, desorption and regeneration number of times tails off the most therewith, drops while improve treatment effeciency
Low processing cost.
Embodiment 2
The apparatus structure of the present embodiment is same as in Example 1, and difference is, the specific design parameter of this device
For: tank diameter 2m, high 1m, outlet is rustless steel apart from tank bottoms 10cm, the making material of tank body.
This kind of sewage dephosphorization device is in use, use following steps:
(1) water inlet: through water pump, sewage is passed through reacting tank body, regulates suitable acid-base value to promote absorption.Adopt
Magnetic adsorbent be water load and zirconic Ni ferrite, when adsorption reaction is carried out, pH value range regulate
To 7；
(2) absorption: starting mixing plant, combined sewage and magnetic adsorbent carry out adsorption reaction；
(3) water after Magneto separate emission treatment: adsorption reaction starts Magneto separate assembly after terminating, after purifying
Water discharge, repeat step (1)-(3), until discharge purification after water can not reach " urban wastewater treatment
Factory's pollutant emission standard " the one-level A standard (0.5mg/L) of defined in (GB 18918-2002), carry out
Desorption processes；
(4) desorption: adding desorbing agent in the reacting tank body of residual magnetic adsorbent and a small amount of sewage, startup is stirred
Mix device, the phosphorus of absorption is eluted, carry out resource recovery.Desorbing agent uses concentration to be the NaOH of 1.5mol/L
Solution, addition is 2L desorbing agent/g magnetic adsorbent；
(5) Magneto separate discharge eluent: desorption reaction starts electric magnet after terminating, separate magnetic adsorbent and
Desorption liquid, comes back to step (1) and enters recycling；If desorbing agent can make magnetic adsorbent surface physics
Chemical property so on absorption produce impact, need to carry out Regeneration Treatment；
(6) regeneration: add regenerative agent in reacting tank body, the surface of magnetic adsorbent after regulation desorption process
Physicochemical properties so that it is return to original condition, Magneto separate discharges regenerated liquid, comes back to step (1) and enters
Enter to recycle.Regenerative agent uses concentration to be the HCl solution of 0.1mol/L, and addition is 2L regenerative agent
/ g magnetic adsorbent.
Embodiment 3
The apparatus structure of the present embodiment is same as in Example 1, and difference is, the specific design parameter of this device
For: tank diameter 1m, high 2m, outlet is polyethylene apart from tank bottoms 10cm, the making material of tank body.
This kind of sewage dephosphorization device is in use, use following steps:
(1) water inlet: through water pump, sewage is passed through reacting tank body, regulates suitable acid-base value to promote absorption.This
The magnetic adsorbent that embodiment uses is hydrated zirconic magnetic iron ore (Fe for load3O4@ZrO2), adsorption reaction is entered
During row, pH value range is adjusted to 4；
(2) absorption: starting mixing plant, combined sewage and magnetic adsorbent carry out adsorption reaction；
(3) water after Magneto separate emission treatment: adsorption reaction starts Magneto separate assembly after terminating, after purifying
Water discharge, repeat step (1)-(3), until discharge purification after water can not reach " urban wastewater treatment
Factory's pollutant emission standard " the one-level A standard (0.5mg/L) of defined in (GB 18918-2002), carry out
Desorption processes；
(4) desorption: adding desorbing agent in the reacting tank body of residual magnetic adsorbent and a small amount of sewage, startup is stirred
Mix device, the phosphorus of absorption is eluted, carry out resource recovery.Desorbing agent uses concentration to be the NaOH of 0.1mol/L
Solution, addition is 0.1L desorbing agent/g magnetic adsorbent；
(5) Magneto separate discharge eluent: desorption reaction starts electric magnet after terminating, separate magnetic adsorbent and
Desorption liquid, comes back to step (1) and enters recycling；If desorbing agent can make magnetic adsorbent surface physics
Chemical property so on absorption produce impact, need to carry out Regeneration Treatment；
(6) regeneration: add regenerative agent in reacting tank body, the surface of magnetic adsorbent after regulation desorption process
Physicochemical properties so that it is return to original condition, Magneto separate discharges regenerated liquid, comes back to step (1) and enters
Enter to recycle.Regenerative agent uses concentration to be the H of 0.05mol/L2SO4Solution, addition is 0.2L regeneration
Reagent/g magnetic adsorbent.
Claims (10)
1. it is easy to the sewage dephosphorization device that magnetic adsorbent uses for one kind, it is characterized in that, this device includes reacting tank body, mixing plant and Magneto separate assembly, magnetic adsorbent mixes in reacting tank body with phosphorus-containing wastewater, having centre bore above reacting tank body, the stirring paddle of described mixing plant reaches in reacting tank body by described centre bore, and described Magneto separate assembly is placed in the bottom of reacting tank body.
A kind of sewage dephosphorization device being easy to magnetic adsorbent use the most according to claim 1, it is characterised in that described reacting tank body is cylinder, and ratio of height to diameter is between 0.5～2.
A kind of sewage dephosphorization device being easy to magnetic adsorbent use the most according to claim 1, it is characterised in that described reacting tank body and mixing plant use rustless steel or polythene material to make.
A kind of sewage dephosphorization device being easy to magnetic adsorbent use the most according to claim 1, it is characterised in that described reacting tank body centre bore both sides have inlet opening and acid-base value adjusting hole.
A kind of sewage dephosphorization device being easy to magnetic adsorbent use the most according to claim 1, it is characterized in that, described reacting tank body bottom side is provided with apopore, bottom lateral extent reacting tank body size is reacting tank body diameter 0.05～0.1 times under described apopore.
A kind of sewage dephosphorization device being easy to magnetic adsorbent use the most according to claim 5, it is characterized in that, this device also includes water pump, gate valve, water inlet pipe and outlet pipe, water pump is connected with water inlet pipe, gate valve is located on apopore, being connected with outlet pipe, described mixing plant is paddle type agitator.
The most according to claim 1 a kind of it is easy to the sewage dephosphorization device that magnetic adsorbent uses, it is characterised in that described Magneto separate assembly be the only just magnetic electric magnet when energising, and outside employing NULL is protected.
8. the application of the sewage dephosphorization device as according to any one of claim 1-7, it is characterised in that comprise the following steps:
(1) water inlet: through water pump, sewage is passed through reacting tank body, according to the relation of the magnetic adsorbent adsorption effect to phosphorus Yu pH value, regulates suitable acid-base value to promote absorption；
(2) absorption: starting mixing plant, combined sewage and magnetic adsorbent carry out adsorption reaction；
(3) water after Magneto separate emission treatment: adsorption reaction starts Magneto separate assembly after terminating, the water after purifying is discharged, and repeats step (1)-(3), until the water after the purification discharged exceeds standard；
(4) desorption: add desorbing agent in the reacting tank body of residual magnetic adsorbent and sewage, starts mixing plant, the phosphorus of eluting absorption；
(5) Magneto separate discharge eluent: desorption reaction starts electric magnet after terminating, and separates magnetic adsorbent and desorption liquid, magnetic adsorbent returns to step (1) and recycles.
A kind of application being easy to the sewage dephosphorization device that magnetic adsorbent uses the most according to claim 8, it is characterised in that the magnetic adsorbent used in step (1) includes that load is hydrated zirconic magnetic iron ore (Fe3O4@ZrO2) or water load and zirconic Ni ferrite (NiFe2O4@ZrO2), when adsorption reaction is carried out, pH value controls 4～7；
Desorbing agent described in step (4) be concentration be the NaOH solution of 0.1～1.5mol/L, the addition of desorbing agent is 0.1～2L/g magnetic adsorbent.
A kind of application being easy to the sewage dephosphorization device that magnetic adsorbent uses the most according to claim 8, it is characterized in that, magnetic adsorbent is after desorption, Surface Physical Chemistry character changes, need the character according to magnetic adsorbent, in reacting tank body, add regenerative agent regenerate, the Surface Physical Chemistry character making magnetic adsorbent returns to original condition, Magneto separate discharges regenerated liquid, magnetic adsorbent returns to step (1) and recycles, and the regenerative agent of addition includes the H that concentration is 0.05～0.1mol/L2SO4Or HCl solution, the addition of regenerative agent is 0.2～2L/g magnetic adsorbent.
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| CN106629861A (en) * | 2016-12-16 | 2017-05-10 | 宁波宝力农环境技术开发有限公司 | Magnetic ferrite production device |
| CN108017220A (en) * | 2018-02-01 | 2018-05-11 | 安徽理工大学 | A kind of Intellectual water treatment system for being suitable for magnetic water treatment agent and recycling |
| CN109835964A (en) * | 2018-12-29 | 2019-06-04 | 江苏省农业科学院 | A kind of magnetic adsorbent reaction generating device and method for generation |
| CN111704262A (en) * | 2020-05-18 | 2020-09-25 | 华东理工大学 | Magnetic separation treatment and purification method of antibiotic wastewater |
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| CN112408560A (en) * | 2020-11-18 | 2021-02-26 | 大连海事大学 | Water treatment facilities based on magnetic adsorbent |
| CN113248089A (en) * | 2021-06-25 | 2021-08-13 | 山东建筑大学 | Residual sludge phosphorus digestion and dissolution coupled phosphate recovery device and sludge treatment method |
| 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 |
| CN115367974A (en) * | 2022-07-25 | 2022-11-22 | 浙江大学 | Phosphorus-containing mud water recovery device and method based on magnetic adsorbent |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002059152A (en) * | 2000-08-21 | 2002-02-26 | Atlas:Kk | System for cleaning water |
| CN103058460A (en) * | 2013-01-02 | 2013-04-24 | 北京工业大学 | A/O (anoxic/oxic) flow separation and magnetic flocculation integrated sewage treatment device and method |
| CN103086567A (en) * | 2013-01-02 | 2013-05-08 | 北京工业大学 | Aerobic flow separation and magnetic flocculant integrated wastewater treatment device and method |
| CN103464126A (en) * | 2013-06-20 | 2013-12-25 | 江南大学 | Preparation of zirconium dioxide and ferriferrous oxide nanoparticles and method used for enrichment of phosphopeptides by using zirconium dioxide and ferriferrous oxide nanoparticles |
| CN105130123A (en) * | 2015-09-06 | 2015-12-09 | 总装备部工程设计研究总院 | Northern residential district sewage processing system and method |
| CN205313312U (en) * | 2016-01-22 | 2016-06-15 | 济南大学 | Step water treatment facilities to magnetic adsorption agent |
-
2016
- 2016-06-21 CN CN201610453855.9A patent/CN106006817A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002059152A (en) * | 2000-08-21 | 2002-02-26 | Atlas:Kk | System for cleaning water |
| CN103058460A (en) * | 2013-01-02 | 2013-04-24 | 北京工业大学 | A/O (anoxic/oxic) flow separation and magnetic flocculation integrated sewage treatment device and method |
| CN103086567A (en) * | 2013-01-02 | 2013-05-08 | 北京工业大学 | Aerobic flow separation and magnetic flocculant integrated wastewater treatment device and method |
| CN103464126A (en) * | 2013-06-20 | 2013-12-25 | 江南大学 | Preparation of zirconium dioxide and ferriferrous oxide nanoparticles and method used for enrichment of phosphopeptides by using zirconium dioxide and ferriferrous oxide nanoparticles |
| CN105130123A (en) * | 2015-09-06 | 2015-12-09 | 总装备部工程设计研究总院 | Northern residential district sewage processing system and method |
| CN205313312U (en) * | 2016-01-22 | 2016-06-15 | 济南大学 | Step water treatment facilities to magnetic adsorption agent |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106629861A (en) * | 2016-12-16 | 2017-05-10 | 宁波宝力农环境技术开发有限公司 | Magnetic ferrite production device |
| CN108017220A (en) * | 2018-02-01 | 2018-05-11 | 安徽理工大学 | A kind of Intellectual water treatment system for being suitable for magnetic water treatment agent and recycling |
| CN109835964A (en) * | 2018-12-29 | 2019-06-04 | 江苏省农业科学院 | A kind of magnetic adsorbent reaction generating device and method for generation |
| CN111704262A (en) * | 2020-05-18 | 2020-09-25 | 华东理工大学 | Magnetic separation treatment and purification method of antibiotic wastewater |
| CN111747596A (en) * | 2020-06-10 | 2020-10-09 | 苏州华烯环保科技有限公司 | Waste water flocculation device |
| CN112408560A (en) * | 2020-11-18 | 2021-02-26 | 大连海事大学 | Water treatment facilities based on magnetic adsorbent |
| CN113248089A (en) * | 2021-06-25 | 2021-08-13 | 山东建筑大学 | Residual sludge phosphorus digestion and dissolution coupled phosphate recovery device and sludge treatment method |
| 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 |
| CN115367974A (en) * | 2022-07-25 | 2022-11-22 | 浙江大学 | Phosphorus-containing mud water recovery device and method based on magnetic adsorbent |
| CN115367974B (en) * | 2022-07-25 | 2024-04-16 | 浙江大学 | Device and method for recycling phosphorus-containing muddy water based on magnetic adsorbent |
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