CN104276814A - Red mud based particle electrode and preparation method thereof - Google Patents
Red mud based particle electrode and preparation method thereof Download PDFInfo
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- CN104276814A CN104276814A CN201310275570.7A CN201310275570A CN104276814A CN 104276814 A CN104276814 A CN 104276814A CN 201310275570 A CN201310275570 A CN 201310275570A CN 104276814 A CN104276814 A CN 104276814A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/068—Carbonaceous materials, e.g. coal, carbon, graphite, hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a steel slag based porous particle electrode and a preparation method thereof, and belongs to the technical field of wastewater treatment. The steel slag based porous particle electrode is prepared as follows: steel slag, shale, a pore forming agent, and an activating agent are used as raw materials, mixed in certain weight proportion, and extruded into raw material balls, the raw material balls are dried, and processed by heating, activation and roasting at a particular temperature, after a period of time, the raw material balls are taken out, and cooled to room temperature to obtain the finished product. The prepared steel slag based porous particle electrode is porous, large in pore size, large in specific surface area, strong in adsorption, and good in conductivity and catalytic activity, and is a new and efficient particle electrode. According to the steel slag based porous particle electrode and the preparation method thereof, industrial waste steel slag can be fully used, waste can be turned into treasures, and the problem of environmental pollution reduction, land occupation and the like can be solved.
Description
Technical field
The invention belongs to technical field of waste water processing, particularly a kind of hole, slag Quito granule electrode for the treatment of hardly degraded organic substance in municipal effluent and preparation method thereof.
Background technology
Slag is a kind of solid waste of arranging after steel-making, the impurity brought into by the oxide compound of the oxidized rear generation of element each in metal charge, the furnace lining be etched and fettling material, metal charge as silt particle and the slag making materials that specially adds, as lime, fluorite, reductor etc. the refuse that formed.Slag comparison of ingredients is complicated, and slag processing is a difficult problem for puzzlement China steel-making industry always.In the past, this solid waste major part is used as roadbase backfill material, and utilization ratio is always very low, has both taken a large amount of urban land, causes severe contamination again to environment, air.If profound development and utilization can be obtained, not only can eliminate environmental pollution, but also huge economic benefit can be created.
Three-diemsnional electrode is a kind of novel advanced oxidization method, its conversion zone is no longer confined to the simple geometry of electrode on the surface, but carry out on the surface at the three-dimensional space of whole bed, be particularly useful for the reaction system that in the low or system of DeR speed, limit current density is little.The treatment effect of the performance remarkably influenced 3 D electrode reactor of granule electrode, according to the mechanism of action of granule electrode, in bipolar three-dimensional electrode system, when applying certain voltage in main electrode, be filled in the granule electrode between the two poles of the earth, because static induction makes the electric charge that particle two end band is different, particle two ends become yin, yang the two poles of the earth respectively, and electrochemical reaction occur thereon.Therefore, must possess three conditions as granule electrode: l) can electrification by influence in electrostatic field, this just requires that granule electrode has good electroconductibility simultaneously, because isolator can not electrification by influence in electrostatic field; 2) mutually insulated between particle, to avoid particle to be connected, forms short circuit; 3) good catalytic and stability, granule electrode surface mass must have good catalytic to degraded organic in waste water.For above analysis, the present invention utilizes slag, has invented hole, a kind of slag Quito granule electrode, for three dimensional particles Electrode treatment sewage.
Summary of the invention
The present invention is directed to above analysis, hole, a kind of slag Quito granule electrode is provided
andpreparation method.Granule electrode material provided by the present invention, can organism effectively in degrading waste water as the working electrode of 3 D electrode reactor, and current efficiency is high, and energy consumption is low.
A kind of hole, slag Quito granule electrode, according to weight percent meter, dry thin steel slag particle accounts for 50-60%, dry carefully shale accounts for 10-20%, pore former accounts for 10-20%, activator accounts for 10-20%.
Described pore former can be the one in powdered carbon, saw dust, starch, polyvinyl alcohol (PVA), polyvinyl butyral acetal (PVB), granules of polystyrene.
Described activator can be Fe
3o
4, Fe
2o
3,mnO
2, one in ZnO.
Described slag is a kind of solid waste of arranging after steel-making, the impurity brought into by the oxide compound of the oxidized rear generation of element each in metal charge, the furnace lining be etched and fettling material, metal charge is as silt particle and the slag making materials that specially adds, as lime, fluorite, reductor etc. the refuse that formed, be a kind of trade waste.
The preparation method of hole, above-mentioned slag Quito granule electrode, comprises the steps:
A, steel slag particle ball milling in ball mill, washing after taking out, immersion (washing, the object of soaking are desorption of impurities), dry at 105 DEG C, then cross 80 mesh sieves, get the thin steel slag particle of drying for subsequent use in baking oven;
B, shale are put in 105 DEG C of oven dry in baking oven, the soil sample of oven dry are pulverized in mortar, then cross 80 mesh sieves, get dry thin shale for subsequent use;
C, by the thin shale of drying, pore former and the activator in thin for the drying in steps A steel slag particle, step B according to certain weight percent, mix and stir, being squeezed into raw material ball;
D, by the raw material ball in step C in an oven 105 DEG C dry 24 hours;
E, by step D dry after raw material ball, be placed in High Temperature Furnaces Heating Apparatus and rise to 300 DEG C from room temperature with 120 DEG C/h, heating 2h, then 550 DEG C are risen to 60 DEG C/h, activation 10-30min, rise to 1050 DEG C of roasting 10-30min with 300 DEG C/h again, naturally cool to room temperature, obtain hole, slag Quito granule electrode material.
According to weight percent meter, dry carefully steel slag particle accounts for 50-60%, dry fine clay accounts for 10-20%, pore former accounts for 10-20%, activator accounts for 10-20%.
Described pore former can be the one in powdered carbon, saw dust, starch, polyvinyl alcohol (PVA), polyvinyl butyral acetal (PVB), granules of polystyrene.
Described activator can be Fe
3o
4, Fe
2o
3,mnO
2, ZnO, SnO
2in one.
Hole, the slag Quito granule electrode prepared by above-mentioned preparation method, getting solid waste is slag.Oxide compound containing the oxidized rear generation of each element in slag, after together with pore former, activator mix, can produce good chemical reaction, particle surface is made to form porous state, there is good absorption property, can conduct electricity, there is certain catalytic performance.And the waste slag produced in iron and steel smelting process, its stacking not only needs fund and large-area storage yard, and contaminate environment.Utilize slag to make the particle-catalytic electrode of three-diemsnional electrode, can turn waste into wealth, reduce the problem such as pollution, appropriation of land of environment.
Hole, slag Quito provided by the invention granule electrode and preparation method thereof, meets the environmental protection policy of current national energy-saving and emission-reduction.The granule electrode porous of preparation, and aperture is large, having very large specific surface area, very strong absorption property, good electroconductibility and catalytic performance is a kind of new and effective granule electrode.
Below in conjunction with embodiment, the invention will be further described.
Embodiment one:
A, steel slag particle ball milling in ball mill, washing after taking out, immersion (washing, the object of soaking are desorption of impurities), dry at 105 DEG C, then cross 80 mesh sieves, get the thin steel slag particle of drying for subsequent use in baking oven;
B, shale are put in 105 DEG C of oven dry in baking oven, the soil sample of oven dry are pulverized in mortar, then cross 80 mesh sieves, get dry thin shale for subsequent use;
C, by the thin shale of drying, powdered carbon and the Fe in thin for the drying in steps A steel slag particle, step B
3o
4according to the weight percent of 50%:20%:20%:10%, mix and stir, being squeezed into raw material ball;
D, by the raw material ball in step C in an oven 105 DEG C dry 24 hours;
E, by step D dry after raw material ball, be placed in High Temperature Furnaces Heating Apparatus and rise to 300 DEG C from room temperature with 120 DEG C/h, heating 2h, then 550 DEG C are risen to 60 DEG C/h, activation 20min, rise to 1050 DEG C of roasting 30min with 300 DEG C/h again, naturally cool to room temperature, obtain hole, slag Quito granule electrode material.
Get hole, the slag Quito granule electrode 5.0g prepared in above-described embodiment, be filled in reactor, obtained 3 D electrode reactor, is 6.0V at voltage, and when electric current is 0.2A, energising degraded 30ml municipal wastewater 30min, CODcr clearance reaches 95%.
Embodiment two:
A, steel slag particle ball milling in ball mill, washing after taking out, immersion (washing, the object of soaking are desorption of impurities), dry at 105 DEG C, then cross 80 mesh sieves, get the thin steel slag particle of drying for subsequent use in baking oven;
B, shale are put in 105 DEG C of oven dry in baking oven, the soil sample of oven dry are pulverized in mortar, then cross 80 mesh sieves, get dry thin shale for subsequent use;
C, by the thin shale of drying, saw dust and the Fe in thin for the drying in steps A steel slag particle, step B
2o
3according to the weight percent of 55%:15%:15%:15%, mix and stir, being squeezed into raw material ball;
D, by the raw material ball in step C in an oven 105 DEG C dry 24 hours;
E, by step D dry after raw material ball, be placed in High Temperature Furnaces Heating Apparatus and rise to 300 DEG C from room temperature with 120 DEG C/h, heating 2h, then 550 DEG C are risen to 60 DEG C/h, activation 20min, rise to 1050 DEG C of roasting 30min with 300 DEG C/h again, naturally cool to room temperature, obtain hole, slag Quito granule electrode material.
Get hole, the slag Quito granule electrode 5.0g prepared in above-described embodiment, be filled in reactor, obtained 3 D electrode reactor, is 6.0V at voltage, and when electric current is 0.2A, energising degraded 30ml municipal wastewater 30min, CODcr clearance reaches 94%.
Embodiment three:
A, steel slag particle ball milling in ball mill, washing after taking out, immersion (washing, the object of soaking are desorption of impurities), dry at 105 DEG C, then cross 80 mesh sieves, get the thin steel slag particle of drying for subsequent use in baking oven;
B, shale are put in 105 DEG C of oven dry in baking oven, the soil sample of oven dry are pulverized in mortar, then cross 80 mesh sieves, get dry thin shale for subsequent use;
C, by the thin shale of drying, starch and the MnO in thin for the drying in steps A steel slag particle, step B
2according to the weight percent of 60%:15%:15%:10%, mix and stir, being squeezed into raw material ball;
D, by the raw material ball in step C in an oven 105 DEG C dry 24 hours;
E, by step D dry after raw material ball, be placed in High Temperature Furnaces Heating Apparatus and rise to 300 DEG C from room temperature with 120 DEG C/h, heating 2h, then 550 DEG C are risen to 60 DEG C/h, activation 20min, rise to 1050 DEG C of roasting 30min with 300 DEG C/h again, naturally cool to room temperature, obtain slag porous basal granule sub-electrode material.
Get hole, the slag Quito granule electrode 5.0g prepared in above-described embodiment, be filled in reactor, obtained 3 D electrode reactor, is 6.0V at voltage, and when electric current is 0.2A, energising degraded 30ml municipal wastewater 30min, CODcr clearance reaches 94%.
Embodiment four:
A, steel slag particle ball milling in ball mill, washing after taking out, immersion (washing, the object of soaking are desorption of impurities), dry at 105 DEG C, then cross 80 mesh sieves, get the thin steel slag particle of drying for subsequent use in baking oven;
B, shale are put in 105 DEG C of oven dry in baking oven, the soil sample of oven dry are pulverized in mortar, then cross 80 mesh sieves, get dry thin shale for subsequent use;
C, by the thin shale of drying, starch and the MnO in thin for the drying in steps A steel slag particle, step B
2according to the weight percent of 60%:10%:10%:20%, mix and stir, being squeezed into raw material ball;
D, by the raw material ball in step C in an oven 105 DEG C dry 24 hours.
E, by step D dry after raw material ball, be placed in High Temperature Furnaces Heating Apparatus and rise to 300 DEG C from room temperature with 120 DEG C/h, heating 2h, then 550 DEG C are risen to 60 DEG C/h, activation 20min, rise to 1050 DEG C of roasting 30min with 300 DEG C/h again, naturally cool to room temperature, obtain hole, slag Quito granule electrode material.
Get hole, the slag Quito granule electrode 5.0g prepared in above-described embodiment, be filled in reactor, obtained 3 D electrode reactor, is 6.0V at voltage, and when electric current is 0.2A, energising degraded 30ml municipal wastewater 30min, CODcr clearance reaches 96%.
Embodiment five:
A, steel slag particle ball milling in ball mill, washing after taking out, immersion (washing, the object of soaking are desorption of impurities), dry at 105 DEG C, then cross 80 mesh sieves, get the thin steel slag particle of drying for subsequent use in baking oven;
B, shale are put in 105 DEG C of oven dry in baking oven, the soil sample of oven dry are pulverized in mortar, then cross 80 mesh sieves, get dry thin shale for subsequent use;
C, the thin shale of drying, polyvinyl alcohol (PVA) and ZnO by thin for the drying in steps A steel slag particle, step B, according to the weight percent of 55%:15%:20%:10%, mix and stir, being squeezed into raw material ball;
D, by the raw material ball in step C in an oven 105 DEG C dry 24 hours;
E, by step D dry after raw material ball, be placed in High Temperature Furnaces Heating Apparatus and rise to 300 DEG C from room temperature with 120 DEG C/h, heating 2h, then 550 DEG C are risen to 60 DEG C/h, activation 20min, rise to 1050 DEG C of roasting 30min with 300 DEG C/h again, naturally cool to room temperature, obtain hole, slag Quito granule electrode material.
Get hole, the slag Quito granule electrode 5.0g prepared in above-described embodiment, be filled in reactor, obtained 3 D electrode reactor, is 6.0V at voltage, and when electric current is 0.2A, energising degraded 30ml municipal wastewater 30min, CODcr clearance reaches 96%.
Embodiment six:
A, steel slag particle ball milling in ball mill, washing after taking out, immersion (washing, the object of soaking are desorption of impurities), dry at 105 DEG C, then cross 80 mesh sieves, get the thin steel slag particle of drying for subsequent use in baking oven;
B, shale are put in 105 DEG C of oven dry in baking oven, the soil sample of oven dry are pulverized in mortar, then cross 80 mesh sieves, get dry thin shale for subsequent use;
C, the thin shale of drying, polyvinyl butyral acetal (PVB) and ZnO by thin for the drying in steps A steel slag particle, step B, according to the weight percent of 55%:15%:20%:10%, mix and stir, being squeezed into raw material ball;
D, by the raw material ball in step C in an oven 105 DEG C dry 24 hours;
E, by step D dry after raw material ball, be placed in High Temperature Furnaces Heating Apparatus and rise to 300 DEG C from room temperature with 120 DEG C/h, heating 2h, then 550 DEG C are risen to 60 DEG C/h, activation 20min, rise to 1050 DEG C of roasting 30min with 300 DEG C/h again, naturally cool to room temperature, obtain hole, slag Quito granule electrode material.
Get hole, the slag Quito granule electrode 5.0g prepared in above-described embodiment, be filled in reactor, obtained 3 D electrode reactor, is 6.0V at voltage, and when electric current is 0.2A, energising degraded 30ml municipal wastewater 30min, CODcr clearance reaches 97%.
Embodiment seven:
A, steel slag particle ball milling in ball mill, washing after taking out, immersion (washing, the object of soaking are desorption of impurities), dry at 105 DEG C, then cross 80 mesh sieves, get the thin steel slag particle of drying for subsequent use in baking oven;
B, shale are put in 105 DEG C of oven dry in baking oven, the soil sample of oven dry are pulverized in mortar, then cross 80 mesh sieves, get dry thin shale for subsequent use;
C, by the thin shale of drying, polystyrene and the ZnO in thin for the drying in steps A steel slag particle, step B according to the weight percent of 55%:10%:15%:20%, mix and stir, being squeezed into raw material ball;
D, by the raw material ball in step C in an oven 105 DEG C dry 24 hours;
E, by step D dry after raw material ball, be placed in High Temperature Furnaces Heating Apparatus and rise to 300 DEG C from room temperature with 120 DEG C/h, heating 2h, then 550 DEG C are risen to 60 DEG C/h, activation 20min, rise to 1050 DEG C of roasting 30min with 300 DEG C/h again, naturally cool to room temperature, obtain hole, slag Quito granule electrode material.
Get hole, the slag Quito granule electrode 5.0g prepared in above-described embodiment, be filled in reactor, obtained 3 D electrode reactor, is 6.0V at voltage, and when electric current is 0.2A, energising degraded 30ml municipal wastewater 30min, CODcr clearance reaches 94%.
Claims (7)
1. hole, a slag Quito granule electrode, is characterized in that: according to weight percent meter, comprises dry thin steel slag particle 50-60%, dry thin shale 10-20%, pore former 10-20%, activator 10-20%.
2. hole, slag Quito as claimed in claim 1 granule electrode, is characterized in that: pore former can be the one in powdered carbon, saw dust, starch, polyvinyl alcohol (PVA), polyvinyl butyral acetal (PVB), granules of polystyrene.
3. hole, slag Quito as claimed in claim 1 granule electrode, is characterized in that: activator can be Fe
3o
4, Fe
2o
3, MnO
2, one in ZnO.
4. a preparation method for hole, slag Quito granule electrode, is characterized in that, comprise the following steps:
A, steel slag particle ball milling in ball mill, washing after taking out, immersion (washing, the object of soaking are desorption of impurities), dry at 105 DEG C, then cross 80 mesh sieves, get the thin steel slag particle of drying for subsequent use in baking oven;
B, shale are put in 105 DEG C of oven dry in baking oven, are pulverized by the shale of oven dry in mortar, then cross 80 mesh sieves, get dry thin shale for subsequent use;
C, by the thin shale of drying, pore former and the activator in thin for the drying in steps A steel slag particle, step B according to certain weight percent, mix and stir, being squeezed into raw material ball;
D, by the raw material ball in step C in an oven 105 DEG C dry 24 hours;
E, by step D dry after raw material ball, be placed in High Temperature Furnaces Heating Apparatus from room temperature with 120
0c/h rises to 300
0c, heating 2h, then with 60
0c/h rises to 550
0c, activation 10-30min, then with 300
0c/h rises to 1050
0c roasting 10-30min, naturally cools to room temperature, obtains hole, slag Quito granule electrode material.
5. the preparation method of hole, slag Quito as claimed in claim 4 granule electrode, is characterized in that: according to weight percent meter, and dry thin steel slag particle accounts for 50-60%, dry carefully shale accounts for 10-20%, pore former accounts for 10-20%, activator accounts for 10-20%.
6. the preparation method of hole, slag Quito as claimed in claim 4 granule electrode, is characterized in that: described pore former can be the one in powdered carbon, saw dust, starch, polyvinyl alcohol (PVA), polyvinyl butyral acetal (PVB), granules of polystyrene.
7. the preparation method of hole, slag Quito as claimed in claim 4 granule electrode, is characterized in that: described activator can be Fe
3o
4, Fe
2o
3, MnO
2, ZnO, SnO
2in one.
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| CN105481062A (en) * | 2016-01-14 | 2016-04-13 | 济南大学 | Electro-catalytic particle electrode for efficiently decomposing carbamazepine and preparation method of electro-catalytic particle electrode |
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| CN106024407A (en) * | 2016-06-29 | 2016-10-12 | 广西桂柳化工有限责任公司 | Manganese dioxide electrode composite material for super capacitor and preparation method thereof |
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| CN107021777A (en) * | 2017-04-20 | 2017-08-08 | 张雪 | Copper-loaded biocidal property porous ceramic grain filler and preparation method thereof |
| CN108892209A (en) * | 2018-07-10 | 2018-11-27 | 华东师范大学 | A kind of preparation method and application of the porous sludge base particle electrode catalyst of copper doped tailings |
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