CN109173988A - Magnetic coupling active carbon, preparation method and its application in treatment of Organic Wastewater - Google Patents
Magnetic coupling active carbon, preparation method and its application in treatment of Organic Wastewater Download PDFInfo
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- CN109173988A CN109173988A CN201810947302.8A CN201810947302A CN109173988A CN 109173988 A CN109173988 A CN 109173988A CN 201810947302 A CN201810947302 A CN 201810947302A CN 109173988 A CN109173988 A CN 109173988A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28009—Magnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3475—Regenerating or reactivating using a particular desorbing compound or mixture in the liquid phase
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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
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Abstract
Application the invention discloses a kind of preparation method of magnetic coupling active carbon and its in the treatment of waste water, this method, which is specifically included that, is dissolved in water for ferric nitrate, basic zirconium chloride, active carbon is added, after fully dispersed；The pH of said mixture is adjusted to 2.0~4.0 with lye, then reaction kettle is filled this blend into, it is taken out after 100 DEG C of heating a period of times, after filtration, washing and drying, obtained active carbon is put into tube furnace after leading to nitrogen roasting a period of time, it is cooled to room temperature in nitrogen atmosphere, obtains load Fe3O4、ZrO2Magnetic coupling active carbon.Lye amount needed for preparation method of the present invention is few, and can restore to obtain Fe using the reproducibility of active carbon itself3O4, preparation method is more environmentally friendly, simple.The Fe in the application of wastewater treatment3O4With ZrO2Concerted catalysis effect, improve the catalytic performance of magnetic coupling active carbon, be conducive to the oxidation of organic matter, be also beneficial to the regeneration of magnetic coupling active carbon.
Description
Technical field
The invention belongs to water-treatment technology fields, and in particular to a kind of magnetic coupling active carbon, preparation method and its have
Application in machine wastewater treatment.
Background technique
With the development of industry, the wastewater flow rate of the industries such as petrochemical industry, chemical pharmacy, textile printing and dyeing discharge gradually increases,
Also more sophisticated, the qualified discharge of waste water are increasingly difficult for the composition of waste water.Especially under the increasingly strict background of environmental requirement, pass
Single wastewater treatment method of uniting has been difficult to solve the problems, such as the processing of the big persistent organic pollutants of some bio-toxicities.Absorption
Method is as a kind of traditional wastewater processing technology, it can be effectively removed multiple pollutant in waste water, and effluent quality is steady after processing
It is fixed, but the regeneration of adsorbent is to perplex the main problem of its application.Active carbon has flourishing pore structure, big specific surface area
And surface functional group, have good chemical stability, mechanical strength and acidproof, alkaline-resisting, not soluble in water and organic solvent etc. excellent
Point, activated carbon adsorption have a wide range of applications in fields such as water process, chemical pharmaceutical, gas purifications.Activity after adsorption saturation
Charcoal needs to be further processed.Currently, granular activated carbon is generally using heating regeneration method, which mainly passes through external heating
Mode achievees the purpose that parsing and desorption to change the adsorption equilibrium relationship on active carbon in turn.General active carbon particle is smaller,
Specific surface area is bigger, its adsorption capacity is stronger, therefore often activated carbon product is crushed and is screened, and obtains fine powder,
The recycling of these Powdered Activated Carbons is relatively difficult, directly discarded after industrial use mostly, sometimes even and siltation is one
It rises, there is a problem of that the wasting of resources and the processing of discarded active carbon etc. are universal.
To solve these problems, researchers carried magnetic Fe on the activated carbon3O4, magnetic coupling active carbon has been made, both
The high absorption property of Powdered Activated Carbon is remained, and can use magnetic field and quick separating and recycling, drop are carried out to Powdered Activated Carbon
Low use cost.On the other hand, the regeneration of active carbon is also that people make great efforts to solve the problems, such as.In the active carbon system of adsorption saturation
In, if suitable oxidant H is added2O2, Fe3O4It can be used as catalyst, be catalyzed H2O2It decomposes and generates OH free radical, will inhale
Attached oxidation operation degradation on the activated carbon, while solving the problems, such as the processing of the regeneration issues and pollutant of adsorbent.But,
This method still has several drawbacks in actual use.Fe3O4There are many preparation method of nanoparticle, the most common system
Preparation Method is coprecipitation: by Fe2+Salt and Fe3+Salt mixes according to a certain percentage, with lye (usually selection NH3·H2O water or
Person's NaOH solution) be used as precipitating reagent, under the conditions of certain temperature and pH (pH > 7) stir the regular hour, be filtered, washed to
PH value of solution is neutrality, obtains Fe after dry3O4Nanoparticle, due to the pH higher of preparation process, the method needs to consume a large amount of
Lye and washing water, generate more waste liquid.Meanwhile Fe3O4Catalytic activity it is also less desirable, need to add other groups
Divide the performance for further increasing catalysis oxidation, it is some research shows that the addition of zirconium (Zr) is conducive to provide more in catalyst surface
Active site.
Summary of the invention
Goal of the invention: the purpose of the present invention is to provide a kind of preparations of relatively easy, environmentally friendly magnetic coupling active carbon
Method.Fe is loaded on Powdered Activated Carbon by the reproducibility of pH adjusting, hydro-thermal process and active carbon itself3O4With ZrO2, obtain
To magnetic coupling active carbon.In the treatment of waste water, the organic matter in water is adsorbed by the suction-operated of active carbon；By additional
Magnetic coupling active carbon is recycled in magnetic field, and magnetic coupling active carbon is put into containing oxidant H after recycling2O2Aqueous solution in, lead to
Cross Fe3O4With ZrO2Concerted catalysis, H2O2It decomposes and generates OH, the oxidation operation of absorption on the activated carbon is degraded, it is magnetic
Composite activated carbon is regenerated.
Technical solution: being dissolved in water for ferric nitrate, basic zirconium chloride, and Powdered Activated Carbon is added in above-mentioned aqueous solution, stirring
Keep its fully dispersed；The pH of said mixture is adjusted to 2.0~4.0 with lye, reaction kettle is then filled this blend into, in 100
DEG C heating a period of time after take out, after filtration, washing and drying, obtained active carbon is put into tube furnace in 400~600
DEG C logical nitrogen stops heating after roasting 1.0~4.0h, and after being cooled to room temperature in nitrogen atmosphere, load Fe can be obtained3O4、
ZrO2Magnetic coupling absorbent charcoal material；This magnetic coupling active carbon is used to handle the organic pollutant in water again.
Specifically includes the following steps:
1) at room temperature, by ferric nitrate (Fe (NO3)3·9H2O), basic zirconium chloride (ZrOCl2·8H2O it) is dissolved in water, formation contains
The aqueous solution of iron and zirconium is added Powdered Activated Carbon (AC) and is sufficiently stirred, wherein Zr:AC (mass ratio)=0.05:1~0.2:1,
Fe:AC (mass ratio)=0.1:1~0.3:1.
2) in the above-mentioned mixture containing Fe, Zr, AC, lye is added dropwise and continuously stirs, the pH value of object to be mixed
2.0~4.0 are adjusted to, 1.0~2.0h of stirring is further continued for.
3) fill this blend into the stainless steel cauldron with polytetrafluoroethyllining lining, by reaction kettle be put into baking oven in
Then 100 DEG C of heating 3.0h obtain the Powdered Activated Carbon of load Fe, Zr component after filtering, washing, drying.
4) above-mentioned Powdered Activated Carbon is put into tube furnace, after 400~600 DEG C of logical nitrogen roast 1.0~4.0h, in nitrogen
Atmosphere is cooled to room temperature in enclosing, and load Fe can be obtained3O4、ZrO2Magnetic coupling absorbent charcoal material.
Further, in step 1) of the present invention, the too low magnetism that will affect composite activated carbon of Fe content, iron content is excessively high,
The duct that active carbon can be blocked influences its specific surface area, to influence the absorption property of active carbon.Zr content is too low, influences
ZrO2With Fe3O4Concerted catalysis effect；Zr too high levels can block the duct of active carbon, influence adsorption effect.
Further, alkaline aqueous solution described in step 2) of the present invention is ammonium hydroxide or sodium hydroxide solution, and suitable alkali
Liquid concentration range is 20~30%, is conducive to the pH for accurately adjusting mixed liquor, pH value of the present invention is adjusted to 2.0~4.0, wherein excellent
Selecting pH is 3.0, is conducive to the dispersion of active component Fe and Zr on Powdered Activated Carbon.
Further, drying temperature described in step 3) of the present invention is not higher than 100 DEG C, avoids activated carbon oxidation under high temperature.
Further, 400~600 DEG C of maturing temperatures described in step 4) of the present invention, wherein it is preferred that maturing temperature is 500
℃.Magnetic Fe in the present invention3O4Acquisition, be adjusted by pH, precipitating, after hydrothermal aging in Powdered Activated Carbon Surface Creation Fe
(OH)3, nitrogen roasting, Fe (OH) are led in tube furnace3It is decomposed into Fe2O3, while active carbon is by Fe2O3It is reduced into Fe3O4.Therefore,
Maturing temperature is too low, is unfavorable for Fe2O3It is reduced to magnetic Fe3O4；Maturing temperature is excessively high, can cause Fe2O3Over reduction, therefore
Preferable temperature is 500 DEG C；The maturing temperature is it is also ensured that obtain stable ZrO simultaneously2.In addition, the too short reduction of calcining time
Not enough；Calcining time is too long, unobvious to the performance improvement of material, therefore the preferred 2.0h of calcining time.
5) application of the magnetic coupling active carbon of above method preparation in the treatment of waste water: at room temperature and normal pressure will be magnetic
Composite activated carbon and the waste water containing organic matter, the organic matter in magnetic coupling activated carbon adsorption water, contact 1.0~6.0h
Afterwards, it after magnetic coupling active carbon being recycled by externally-applied magnetic field, is put into containing H2O2Aqueous solution in, carry out catalyzing oxidizing degrading, will
The organic matter degradation of absorption, magnetic coupling active carbon are regenerated.
The utility model has the advantages that
The present invention is using Powdered Activated Carbon as carrier, the method combined by precipitating-hydro-thermal process, first by Fe (OH)3With Zr
(OH)4It loads on Powdered Activated Carbon；It is heated under nitrogen protection in tube furnace again, Zr (OH)4It is decomposed into ZrO2, Fe (OH)3Point
Solution is Fe2O3, using the reproducibility of active carbon itself by Fe2O3It is reduced into Fe3O4, obtain magnetic coupling active carbon.In the present invention
After ferric nitrate and basic zirconium chloride are dissolved in water, due to Fe3+With Zr4+Hydrolysis, the pH of aqueous solution between 1.0~2.0, by
In Fe3+With Zr4+Fe (OH) can be generated near pH 2.03With Zr (OH)4, therefore preparation process only needs a small amount of lye
PH can be adjusted near 2.0, utilize the available magnetic Fe of the reproducibility of active carbon3O4, preparation method is more environmentally friendly,
Simply.In the treatment of waste water, Fe is utilized3O4With ZrO2Concerted catalysis effect, improve the oxidative degradation effect of organic matter, it is magnetic
Composite activated carbon is regenerated.
Detailed description of the invention
Fig. 1: embodiment 1, embodiment 2, composite activated carbon used in embodiment 3 XRD spectra
Specific embodiment
The following examples will be further described the present invention, but the contents of the present invention are without being limited thereto.
One, the preparation of magnetic coupling active carbon
1,1.8g ferric nitrate (Fe (NO is weighed3)3·9H2O) with 0.36g basic zirconium chloride (ZrOCl2·8H2O) 50mL is dissolved in go
In ionized water, 1.0g active carbon (AC) is added, and stir.
2, ammonium hydroxide is added dropwise in the above solution, the pH of mixture is adjusted to 3.0, is stirred for 1.0h.
3, it fills this blend into reaction kettle, in 100 DEG C of heating 3.0h.
4, take out reaction kettle, mixture is filtered, wash after be put into baking oven, 80 DEG C of degree dryings.
5, the sample after drying is put into tube furnace, 500 DEG C of logical nitrogen roast 2.0h, and room is cooled in nitrogen atmosphere
Temperature obtains load Fe3O4、ZrO2Magnetic coupling absorbent charcoal material.This example is Fe:AC=0.25 (mass ratio), Zr:AC=0.1
The magnetic composite of (mass ratio), is labeled as Fe3O4/ZrO2/AC(0.25Fe0.1Zr)。
Other conditions are constant, only change the step the additional amount of ferric nitrate in 1, basic zirconium chloride, and different Fe, Zr are made respectively and contain
The composite material of amount.For example, Fe3O4/ZrO2/ AC (0.25Fe0.2Zr) indicates Fe:AC=0.25, Zr:AC=0.2；Fe3O4/
ZrO2/ AC (0.25Fe0.05Zr) indicates to contain Fe:AC=0.25, Zr:AC=0.05.In order to compare the performance of composite material,
It is prepared for that the Fe of the Fe:AC=0.25 of Zr is not added respectively3O4/AC(0.25Fe)；The ZrO of the Zr:AC=0.2 of Fe is not added2/AC
(0.2Zr)。
Two, waste water treatment applications
The organic wastewater (present invention is respectively by taking tetracycline wastewater and phenolic waste water as an example) for taking a certain concentration and volume, is added
Magnetic coupling active carbon, after 30 DEG C of stirring and adsorbing 3.0h, the concentration of measurement absorption front and back organic matter calculates the removal of organic matter
Rate.0.3%~1% H will be put into after the recycling of magnetic coupling active carbon2O2In aqueous solution, it is adsorbed in 50 DEG C of catalyzing oxidizing degradings
Organic matter on magnetic coupling active carbon, magnetic coupling active carbon are regenerated；Magnetic coupling active carbon carries out next after recycling
Secondary waste water adsorption treatment, measures the removal rate of organic matter.
The catalytic oxidation effect of general magnetic coupling active carbon is better, and the organic matter of adsorption is more oxidized easily,
The adsorption effect recycled next time is also better, and the removal rate of corresponding organic matter is also higher.Therefore, in order to preferably express magnetism
The oxidation regeneration situation of composite activated carbon, the present invention evaluate the performance of magnetic coupling active carbon using regeneration rate.
X1The removal rate of organic matter when-use for the first time；X2The removal rate of organic matter when-second use
1, tetracycline wastewater is handled
0.060g tetracycline is dissolved in 1.0L deionization, the tetracycline aqueous solution of concentration 60mg/L is made into, it is spare.
Embodiment 1:
The tetracycline water sample 150.0mL of 60mg/L is taken, 0.03g Fe is added3O4/ AC (0.25Fe), in 30 DEG C of stirring and adsorbings
After 3.0h, the removal rate of tetracycline is 87.6%.The magnetic composite of recycling is put into 15mL1%H2O2In aqueous solution, 50 DEG C
2.0h is handled, then by spare after magnetic recovery, washing；Under same experimental conditions, tetracycline when which uses for the second time
Removal rate is 60.4%, regeneration rate 68.9%.
Embodiment 2:
The tetracycline water sample 150.0mL of 60mg/L is taken, 0.03g ZrO is added2/ AC (0.2Zr), 30 DEG C of stirring and adsorbing 3.0h
Afterwards, the removal rate of tetracycline is 96.2%.Composite material is recovered by filtration, is put into 15mL1%H2O2In aqueous solution, at 50 DEG C
Manage 2.0h, then after being recovered by filtration, washing it is spare；Under same experimental conditions, tetracycline is gone when which uses for the second time
Except rate is 39.0%, regeneration rate 40.5%.
Embodiment 3:
The tetracycline water sample 150.0mL of 60mg/L is taken, 0.03g Fe is added3O4/ZrO2/ AC (0.25Fe/0.1Zr), 30 DEG C
After stirring and adsorbing 3.0h, the removal rate of tetracycline is 95.6%.The magnetic composite of recycling is put into 15mL1%H2O2It is water-soluble
In liquid, 50 DEG C of processing 2.0h, then by spare after magnetic recovery, washing；Under same experimental conditions, when which uses for the second time
The removal rate of tetracycline is 78.8%, regeneration rate 82.4%.
Embodiment 4:
The tetracycline water sample 150.0mL of 60mg/L is taken, 0.03g Fe is added3O4/ZrO2/ AC (0.25Fe/0.05Zr), 30
After DEG C stirring and adsorbing 3.0h, the removal rate of tetracycline is 91.3%.The magnetic composite of recycling is put into 15mL 1%H2O2Water
In solution, 50 DEG C of processing 2.0h, then by spare after magnetic recovery, washing；Under same experimental conditions, second of use of the material
When tetracycline removal rate be 70.6%, regeneration rate 77.3%.
Embodiment 5:
The tetracycline water sample 150.0mL of 60mg/L is taken, 0.03g Fe is added3O4/ZrO2/ AC 0.25Fe/0.2Zr), 30 DEG C
After stirring and adsorbing 3.0h, the removal rate of tetracycline is 89.6%.The magnetic composite of recycling is put into 15mL 1%H2O2It is water-soluble
In liquid, 50 DEG C of processing 2.0h, then by spare after magnetic recovery, washing；Under same experimental conditions, when which uses for the second time
The removal rate of tetracycline is 72.0%, regeneration rate 80.3%.
2, phenolic waste water
0.50g phenol is dissolved in 1.0L deionization, the phenol solution of concentration 500mg/L is made into, then is diluted to
100mg/L。
Embodiment 6:
The phenol water sample 150.0mL of 100mg/L is taken, 0.05g Fe is added3O4/ AC (0.25Fe), 30 DEG C of stirring and adsorbing 2.0h
Afterwards, the removal rate of phenol is 93.6%.The magnetic composite of recycling is put into 15mL1%H2O2In aqueous solution, 50 DEG C of processing
2.0h, then by spare after magnetic recovery, washing；Under same experimental conditions, the removal rate of phenol when which uses for the second time
It is 77.0%, regeneration rate 82.3%.
Embodiment 7:
The phenol water sample 150.0mL of 100mg/L is taken, 0.05g Fe is added3O4/ ZrO2/AC (0.25Fe/0.1Zr), 30 DEG C
After stirring and adsorbing 2.0h, the removal rate of phenol is 98.2%.The magnetic composite of recycling is put into 15mL 1%H2O2Aqueous solution
In, 50 DEG C of processing 2.0h, then by spare after magnetic recovery, washing；The phenol in water, the material are adsorbed under same experimental conditions
The removal rate of phenol is 86.3% when second of use, regeneration rate 87.9%.
Embodiment 8
The phenol water sample 150.0mL of 100mg/L is taken, 0.05g Fe is added3O4/ ZrO2/AC (0.25Fe/0.05Zr), 30 DEG C
After stirring and adsorbing 2.0h, the removal rate of phenol is 94.3%.The magnetic composite of recycling is put into 15mL 1%H2O2Aqueous solution
In, 50 DEG C of processing 2.0h, then by spare after magnetic recovery, washing；The phenol in water, the material are adsorbed under same experimental conditions
The removal rate of phenol is 79.6% when second of use, regeneration rate 84.4%.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (6)
1. a kind of preparation method of magnetic coupling active carbon, which is characterized in that be prepared by the following steps:
A. ferric nitrate, basic zirconium chloride are dissolved in water, Powdered Activated Carbon is added in above-mentioned aqueous solution, stirring divides it sufficiently
It dissipates, obtains mixture A；
B. the pH of said mixture A is adjusted to 2.0~4.0 with alkaline aqueous solution；
C. mixture A is packed into reaction kettle, takes out after 100 DEG C of heating a period of times, after filtration, washing and drying, is lived
Property charcoal B；
D. obtained active carbon B is put into tube furnace and stops heating after 400~600 DEG C of logical nitrogen roast 1.0~4.0h,
After being cooled to room temperature in nitrogen atmosphere, load Fe is obtained3O4、ZrO2Magnetic coupling active carbon.
2. the preparation method of magnetic coupling active carbon as described in claim 1, which is characterized in that the alkaline aqueous solution is 20
~30wt% ammonium hydroxide or sodium hydroxide solution.
3. the preparation method of magnetic coupling active carbon as described in claim 1, which is characterized in that the Fe of load3O4In Fe with
The mass ratio of active carbon is 0.1~0.3, the ZrO of load2In Zr and active carbon mass ratio be 0.05~0.2.
4. the preparation method of magnetic coupling active carbon as described in claim 1, which is characterized in that the drying in the step c
Temperature is not higher than 100 DEG C.
5. the preparation method of magnetic coupling active carbon as described in claim 1, which is characterized in that the heating time of step c is
2.0~4.0h.
6. application of the magnetic coupling active carbon of the method as described in claim 1 preparation in treatment of Organic Wastewater, feature
It is after contacting with the water phase containing organic matter by magnetic coupling active carbon, adsorb 1.0~6.0h, is carried out by externally-applied magnetic field magnetic
The separation of composite activated carbon and water phase；Magnetic coupling active carbon is put into containing H after separation2O2Aqueous solution in, carry out organic matter
Catalyzing oxidizing degrading, while magnetic coupling active carbon is regenerated.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170323A (en) * | 2019-07-09 | 2019-08-27 | 湘潭大学 | A kind of preparation method of photochemical catalyst and its application in Photocatalytic Degradation of Phenol |
| CN112427025A (en) * | 2020-10-19 | 2021-03-02 | 苏州华裕佳和新材料科技有限公司 | Preparation method and application of waste gas and waste water treating agent |
| CN113019317A (en) * | 2021-01-20 | 2021-06-25 | 桂林理工大学 | Bimetal-loaded activated carbon high-performance adsorbent and preparation method and application thereof |
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