CN106631098A - A preparing method of precious metal-iron-carbon microelectrolysis ceramsite used for water treatment - Google Patents
A preparing method of precious metal-iron-carbon microelectrolysis ceramsite used for water treatment Download PDFInfo
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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
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- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
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- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
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Abstract
A preparing method of precious metal-iron-carbon microelectrolysis ceramsite used for water treatment is disclosed. The method includes mixing an iron-containing base material, a carbon source, blast furnace slag, attapulgite and montmorillonite with an adhesive solution to prepare spherical particles; after the spherical particles are dried, calcinating the spherical particles in a reduction atmosphere and cooling the spherical particles to obtain an iron-carbon ceramsite precursor; adding the iron-carbon ceramsite precursor into a precious metal mixed solution to obtain a precious metal-iron-carbon ceramsite precursor; and subjecting the precious metal-iron-carbon ceramsite precursor to drying, calcinating and cooling treatment to obtain the precious metal-iron-carbon microelectrolysis ceramsite. Through adding the blast furnace slag, the attapulgite and the montmorillonite and controlling doping amounts thereof and the calcinating temperatures, porosity and the pore diameter of the ceramsite are effectively controlled, and contact area of a loaded catalyst with water is increased. The precious metal on the surface of the ceramsite plays a role of catalysis in a microelectrolysis process, accelerates degradation of hardly degradable substances in organic waste water, prevents material hardening, improves overall catalytic performance of the material and reduces the cost.
Description
Technical field
The present invention relates to a kind of preparation method of water process with noble metal iron-carbon micro-electrolysis haydite.
Background technology
Electrolysis, also known as Inner electrolysis, iron reduction, iron charcoal method, Zero-valence Iron Process etc., is in the case of not additional power source, using height
Current potential material and electronegative potential material form potential difference and as the waste water treatment process of Main Function.Early reaction device filler
It is simple to spend for iron plane, developed into the mixed fillers with cast-iron scrap etc. with inert filler again later.The technique is from 20 century 70s
After birth, due to applied widely, high treating effect, long service life, and with waste iron filing as raw material, therefore low cost
Honest and clean, the meaning with " treatment of wastes with processes of wastes against one another " causes extensive concern, and in China rapid development has been obtained.But, due to it
A series of problems, such as body has the hardened of filler and passivation, the replacing difficulty of filler, and it is seriously govern in Practical Project
In application.This research is formally based on this, it is intended to from the filler of microelectrolysis processing technique, develop Regularization filler, solves
The critical problem of weak electrolysis mechanism application development is certainly restricted, so as to extend its application in field of waste water treatment.
Iron-carbon micro-electrolysis technology fills iron filings, coke or activated carbon, fortune in Practical Project utilization, often in light electrolysis tower
Iron filings surface can gradually form one layer of passivating film during row, hinder its contact with pollutant.Filler after operation a period of time
Can be hardened into an entirety, so as to there is channeling, cause treatment effect to decline.Iron-carbon micro-electrolysis are typically acid in waste water
Under the conditions of carry out, under acid condition, Fe2+ easily a large amount of dissolutions when adjusting wastewater pH to alkalescence, can produce substantial amounts of sludge.Jing is normal
Property filler supplement with change can also increase operating cost.
The content of the invention
For the problems referred to above, the present invention provides a kind of preparation method of water process noble metal iron-carbon micro-electrolysis haydite.
To reach above-mentioned purpose, a kind of water process of the invention preparation method of noble metal iron-carbon micro-electrolysis haydite,
Comprise the steps：
Step 1：Iron content bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are mixed according to predetermined quality ratio, shape
Into compound；The spheric granules of predetermined particle diameter is made after the compound is uniformly mixed with gluing agent solution；
Step 2：Roasting under reducing atmosphere, cooling are placed in after the spheric granules is dried, iron carbon haydite presoma is obtained；
Step 3：The iron carbon haydite presoma impregnated in noble metal mixed solution, it is anti-using ion exchange and displacement
Noble metal iron carbon haydite presoma should be obtained；
Step 4：The noble metal iron carbon haydite presoma is placed in into drying, roasting, cooling in reducing atmosphere, your gold is obtained
Category iron-carbon micro-electrolysis haydite.
Preferably, described mix iron content bed material, carbon source, blast furnace slag, attapulgite and montmorillonite according to predetermined quality ratio
Close, form compound；The spheric granules of predetermined particle diameter is made after the compound is uniformly mixed with gluing agent solution, concrete side
Method is：
Iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are sieved into respectively acquisition particle size range for 45～325 mesh
, the standby iron bed material of particle diameter identical, carbon source, blast furnace slag, attapulgite and montmorillonite,；
Standby iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are mixed to get into compound according to predetermined ratio,
According to mass ratio it is 8 by the compound for obtaining and glutinous agent solution:1～3:1 proportion is uniformly mixed, and is subsequently adding and is made
Grain machine in, make particle size range be 1～12 millimeter, particle diameter identical spheric granules；
Preferably, roasting under reducing atmosphere, cooling are placed in after the drying by the spheric granules, before obtaining iron carbon haydite
Drive concretely comprising the following steps for body；
The spheric granules obtained in step 1 is dried；
Dried spheric granules is put in enameling furnace, reducibility gas are passed through in the enameling furnace carries out roasting,
Sintering temperature is 300～1200 DEG C, then carries out cooling down prepared iron carbon haydite presoma.
Preferably, described impregnated in the iron carbon haydite presoma in noble metal mixed solution, using ion exchange and
Displacement reaction obtains concretely comprising the following steps for noble metal iron carbon haydite presoma：
The platinum that mass fraction is 5～25% is obtained, one or more of palladium and rhodium metal acid solution are used as precious metal solution；
Iron carbon haydite presoma obtained in step 2 is impregnated with the precious metal solution, dip time is 10～600
Second, obtain the noble metal iron carbon haydite presoma.
Preferably, described be placed in drying, roasting, cooling in reducing atmosphere by the noble metal iron carbon haydite presoma, system
Obtain concretely comprising the following steps for noble metal iron-carbon micro-electrolysis haydite：
Noble metal iron carbon haydite presoma obtained in step 3 is placed in reducing atmosphere and is dried；
Dried noble metal iron carbon haydite presoma is put in enameling furnace and is bakeed, sintering temperature is 200～800
℃；
Roasting noble metal iron carbon haydite presoma after baking is put under oxygen-free atmosphere, room temperature is naturally cooled to.
Preferably, the iron content bed material includes iron filings, oxides-containing iron, the hydroxide of iron, molysite, ferrous salt, iron
One or more of complex compound, ferrous complex compound.
Preferably, the carbon source is one or more of glucose, maltose, soluble starch, sucrose, activated carbon powder.
Preferably, the mass ratio of the iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite is 1：(0.5～2)：
(0.01～0.1)：(0.2～5)：(0.2～5).
Preferably, the adhesive is polyvinyl alcohol, polyethylene, polyphenyl second that molar concentration is 0.1～3 mole per liter
One or more in alkene, polytetrafluoroethylene (PTFE), phenolic resin, polyester resin, polyamide, epoxy resin.
Preferably, the reducing atmosphere is one or two the combination in hydrogen, nitrogen, argon gas.
The invention provides one kind can make full use of a small amount of noble-metal-supported, galvanic cell resistance is reduced, improve electron transmission
Efficiency, so as to strengthen water treatment effect；The generation of the hardened phenomenon of filler can also be delayed simultaneously；The present invention is in haydite preparation process
In, by adding blast furnace slag, attapulgite and montmorillonite and controlling its incorporation and sintering temperature, can effectively control haydite hole
Road structure, porosity and aperture, greatly improve the surface area of haydite, so as to increased supported catalyst and water engaging surface
Product；Meanwhile, by haydite surface doping noble metal, the catalytic action using noble metal in microelectrolysis process, accelerating to height
The catalytic degradation effect of hard-degraded substance in concentration, high toxicity organic wastewater, and the hardened phenomenon of material is effectively prevented, improve
The overall catalytic performance of material, reduces material and prepares replacement cost, considerably increases social benefit.
Description of the drawings
Fig. 1 is that the coking chemical waste water COD of the water process noble metal iron-carbon micro-electrolysis haydite prepared in the embodiment of the present invention 1 goes
Except rate.
Fig. 2 is the antibiotic waste water COD of the water process noble metal iron-carbon micro-electrolysis haydite prepared in the embodiment of the present invention 2
Clearance.
Fig. 3 is that the leather-making waste water COD of the water process noble metal iron-carbon micro-electrolysis haydite prepared in the embodiment of the present invention 3 goes
Except rate.
Fig. 4 is that the dyeing waste water COD of the water process noble metal iron-carbon micro-electrolysis haydite prepared in the embodiment of the present invention 4 goes
Except rate.
Fig. 5 is the daily chemical wastewater of the water process noble metal iron-carbon micro-electrolysis haydite prepared in the embodiment of the present invention 5
COD clearances.
Specific embodiment
With reference to Figure of description, the present invention will be further described.
A kind of water process of the present invention is used for the preparation method of noble metal iron-carbon micro-electrolysis haydite, comprises the steps：
Step 1：By iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite sieve respectively acquisition particle size range be 45～
The standby iron bed material of 325 purposes, particle diameter mesh identical, carbon source, blast furnace slag, attapulgite and montmorillonite, by standby iron bed material, carbon
Source, blast furnace slag, attapulgite and montmorillonite are mixed to get compound according to predetermined ratio, by the compound for obtaining and glutinous agent solution
It is 8 according to mass ratio:1～3:1 proportion is uniformly mixed, in being subsequently adding comminutor, make particle size range for 1～
12 millimeters, particle diameter identical spheric granules；
Step 2：The spheric granules obtained in step 1 is dried；Dried spheric granules is put into into enameling furnace
In, reducibility gas are passed through in the enameling furnace carries out roasting, and sintering temperature is 300～1200 DEG C, then carries out cooling system
Obtain iron carbon haydite presoma.
Step 3：The platinum that mass fraction is 5～25% is obtained, one or more of palladium and rhodium metal acid solution are used as your gold
Category solution；Iron carbon haydite presoma obtained in step 2 is impregnated with the precious metal solution, dip time is 10～600 seconds,
Obtain noble metal iron carbon haydite presoma.
Step 4：Noble metal iron carbon haydite presoma obtained in step 3 is placed in reducing atmosphere and is dried；Will be dried
Noble metal iron carbon haydite presoma is put in enameling furnace and is bakeed, and sintering temperature is 200～800 DEG C；By the roasting after baking
Noble metal iron carbon haydite presoma is put under oxygen-free atmosphere, naturally cools to room temperature, obtains noble metal iron-carbon micro-electrolysis haydite.
Embodiment 1
A kind of water process preparation method of noble metal iron-carbon micro-electrolysis haydite, concretely comprises the following steps：
1) iron content bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are mixed according to certain mass ratio, forms mixed
Close material.Wherein iron content bed material is iron filings；Carbon source is activated carbon powder；Iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite
Mass ratio is 1：1：0.02：0.2：0.2；The particle diameter of iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite is 100 mesh.
2) compound is mixed with gluing agent solution, in adding comminutor, makes the spheric granules of uniform particle diameter.Adhesive
For polyvinyl alcohol, polyethylene, polystyrene, polytetrafluoroethylene (PTFE), phenolic resin, polyester tree that molar concentration is 0.5 mole per liter
One or more of fat, polyamide, epoxy resin.The mass ratio of compound and adhesive is 5:1.Prepared spherical
Grain particle diameter is 12 millimeters.
3) after spheric granules is dried, under reducing atmosphere roasting, cooling, obtain iron carbon haydite presoma.Adopted
Reducing atmosphere is one or two the combination in hydrogen, nitrogen, argon gas.Sintering temperature is 1200 DEG C.
4) iron carbon haydite presoma be impregnated in into certain hour in noble metal mixed solution, before forming noble metal iron carbon haydite
Drive body.The precious metal solution for being adopted is the platinum that mass fraction is 15%, palladium and rhodium metal acid solution, the leaching of iron carbon haydite presoma
The stain time is 300 seconds.
5) by noble metal iron carbon haydite presoma drying, roasting, cooling under reducing atmosphere, the micro- electricity of noble metal iron carbon is obtained
Solution haydite.The reducing atmosphere for being adopted is hydrogen, nitrogen, argon gas, and sintering temperature is 600 DEG C, and cooling procedure is under oxygen-free atmosphere
It is allowed to naturally cool to room temperature.
The products obtained therefrom of the embodiment of the present invention 1 and commercially available iron carbon ceramic product are under similarity condition to coking water treatment effect
Relatively see Fig. 1.
Embodiment 2
A kind of water process preparation method of noble metal iron-carbon micro-electrolysis haydite, concretely comprises the following steps：
1) iron content bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are mixed according to certain mass ratio, forms mixed
Close material.Wherein iron content bed material is iron filings；Carbon source is glucose；The matter of iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite
Amount is than being 1：0.5：0.01：3：1；The particle diameter of iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite is 125 mesh.
2) compound is mixed with gluing agent solution, in adding comminutor, makes the spheric granules of uniform particle diameter.Adhesive
For polyvinyl alcohol, polyethylene, polystyrene, polytetrafluoroethylene (PTFE), phenolic resin, polyester tree that molar concentration is 0.1 mole per liter
One or more of fat, polyamide, epoxy resin.The mass ratio of compound and adhesive is 4:1.Prepared spherical
Grain particle diameter is 8 millimeters.
3) after spheric granules is dried, under reducing atmosphere roasting, cooling, obtain iron carbon haydite presoma.Adopted
Reducing atmosphere is one or two the combination in hydrogen, nitrogen, argon gas.Sintering temperature is 1000 DEG C.
4) iron carbon haydite presoma be impregnated in into certain hour in noble metal mixed solution, before forming noble metal iron carbon haydite
Drive body.The precious metal solution for being adopted is the platinum that mass fraction is 5%, palladium and rhodium metal acid solution, the leaching of iron carbon haydite presoma
The stain time is 60 seconds.
5) by noble metal iron carbon haydite presoma drying, roasting, cooling under reducing atmosphere, the micro- electricity of noble metal iron carbon is obtained
Solution haydite.The reducing atmosphere for being adopted is hydrogen, nitrogen, argon gas, and sintering temperature is 500 DEG C, and cooling procedure is under oxygen-free atmosphere
It is allowed to naturally cool to room temperature.
The products obtained therefrom of the embodiment of the present invention 2 is imitated under similarity condition with commercially available iron carbon ceramic product to antibiotic wastewater treatment
Really compare and see Fig. 2.
Embodiment 3
A kind of water process preparation method of noble metal iron-carbon micro-electrolysis haydite, concretely comprises the following steps：
1) iron content bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are mixed according to certain mass ratio, forms mixed
Close material.Wherein iron content bed material is iron filings, oxides-containing iron, the hydroxide of iron, molysite, ferrous salt, the complex compound of iron, ferrous iron
One or more of complex compound；Carbon source is one or more of glucose, maltose, soluble starch, sucrose, activated carbon powder；
The mass ratio of iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite is 1：1：0.1：0.5：4；Iron bed material, carbon source, blast furnace
The particle diameter of slag, attapulgite and montmorillonite is 200 mesh.
2) compound is mixed with gluing agent solution, in adding comminutor, makes the spheric granules of uniform particle diameter.Adhesive
For polyvinyl alcohol that molar concentration is 3 moles per liter, polyethylene, polystyrene, polytetrafluoroethylene (PTFE), phenolic resin, polyester resin,
One or more of polyamide, epoxy resin.The mass ratio of compound and adhesive is 8:1.Prepared spheric granules
Particle diameter is 6 millimeters.
3) after spheric granules is dried, under reducing atmosphere roasting, cooling, obtain iron carbon haydite presoma.Adopted
Reducing atmosphere is one or two the combination in hydrogen, nitrogen, argon gas.Sintering temperature is 300～1200 DEG C.
4) iron carbon haydite presoma be impregnated in into certain hour in noble metal mixed solution, before forming noble metal iron carbon haydite
Drive body.The precious metal solution for being adopted is the platinum that mass fraction is 25%, palladium and rhodium metal acid solution, the leaching of iron carbon haydite presoma
The stain time is 10 seconds.
5) by noble metal iron carbon haydite presoma drying, roasting, cooling under reducing atmosphere, the micro- electricity of noble metal iron carbon is obtained
Solution haydite.The reducing atmosphere for being adopted is hydrogen, nitrogen, argon gas, and sintering temperature is 350 DEG C, and cooling procedure is under oxygen-free atmosphere
It is allowed to naturally cool to room temperature.
The products obtained therefrom of the embodiment of the present invention 3 and commercially available iron carbon ceramic product are under similarity condition to controlling leather water treatment effect
Relatively see Fig. 3.
Embodiment 4
A kind of water process preparation method of noble metal iron-carbon micro-electrolysis haydite, concretely comprises the following steps：
1) iron content bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are mixed according to certain mass ratio, forms mixed
Close material.Wherein iron content bed material is iron filings, oxides-containing iron, the hydroxide of iron, molysite, ferrous salt, the complex compound of iron, ferrous iron
One or more of complex compound；Carbon source is one or more of glucose, maltose, soluble starch, sucrose, activated carbon powder；
The mass ratio of iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite is 1：0.8：0.03：4：0.5；Iron bed material, carbon source, height
The particle diameter of slag, attapulgite and montmorillonite is 70 mesh.
2) compound is mixed with gluing agent solution, in adding comminutor, makes the spheric granules of uniform particle diameter.Adhesive
For polyvinyl alcohol that molar concentration is 3 moles per liter, polyethylene, polystyrene, polytetrafluoroethylene (PTFE), phenolic resin, polyester resin,
One or more of polyamide, epoxy resin.The mass ratio of compound and adhesive is 3:1.Prepared spheric granules
Particle diameter is 12 millimeters.
3) after spheric granules is dried, under reducing atmosphere roasting, cooling, obtain iron carbon haydite presoma.Adopted
Reducing atmosphere is one or two the combination in hydrogen, nitrogen, argon gas.Sintering temperature is 1100 DEG C.
4) iron carbon haydite presoma be impregnated in into certain hour in noble metal mixed solution, before forming noble metal iron carbon haydite
Drive body.The precious metal solution for being adopted is the platinum that mass fraction is 10%, palladium and rhodium metal acid solution, the leaching of iron carbon haydite presoma
The stain time is 450 seconds.
5) by noble metal iron carbon haydite presoma drying, roasting, cooling under reducing atmosphere, the micro- electricity of noble metal iron carbon is obtained
Solution haydite.The reducing atmosphere for being adopted is hydrogen, nitrogen, argon gas, and sintering temperature is 200 DEG C, and cooling procedure is under oxygen-free atmosphere
It is allowed to naturally cool to room temperature.
The products obtained therefrom of the embodiment of the present invention 4 and commercially available iron carbon ceramic product are under similarity condition to disposal effect of dyeing wastewater
Relatively see Fig. 4.
Embodiment 5
A kind of water process preparation method of noble metal iron-carbon micro-electrolysis haydite, concretely comprises the following steps：
1) iron content bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are mixed according to certain mass ratio, forms mixed
Close material.Wherein iron content bed material is iron filings, oxides-containing iron, the hydroxide of iron, molysite, ferrous salt, the complex compound of iron, ferrous iron
One or more of complex compound；Carbon source is one or more of glucose, maltose, soluble starch, sucrose, activated carbon powder；
The mass ratio of iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite is 1：1.5：0.1：1：1；Iron bed material, carbon source, blast furnace
The particle diameter of slag, attapulgite and montmorillonite is 60 mesh.
2) compound is mixed with gluing agent solution, in adding comminutor, makes the spheric granules of uniform particle diameter.Adhesive
For polyvinyl alcohol that molar concentration is 2 moles per liter, polyethylene, polystyrene, polytetrafluoroethylene (PTFE), phenolic resin, polyester resin,
One or more of polyamide, epoxy resin.The mass ratio of compound and adhesive is 7:1.Prepared spheric granules
Particle diameter is 8 millimeters.
3) after spheric granules is dried, under reducing atmosphere roasting, cooling, obtain iron carbon haydite presoma.Adopted
Reducing atmosphere is one or two the combination in hydrogen, nitrogen, argon gas.Sintering temperature is 800 DEG C.
4) iron carbon haydite presoma be impregnated in into certain hour in noble metal mixed solution, before forming noble metal iron carbon haydite
Drive body.The precious metal solution for being adopted is the platinum that mass fraction is 20%, palladium and rhodium metal acid solution, the leaching of iron carbon haydite presoma
The stain time is 50 seconds.
5) by noble metal iron carbon haydite presoma drying, roasting, cooling under reducing atmosphere, the micro- electricity of noble metal iron carbon is obtained
Solution haydite.The reducing atmosphere for being adopted is hydrogen, nitrogen, argon gas, and sintering temperature is 700 DEG C, and cooling procedure is under oxygen-free atmosphere
It is allowed to naturally cool to room temperature.
The products obtained therefrom of the embodiment of the present invention 5 is processed daily chemical wastewater with commercially available iron carbon ceramic product under similarity condition
Effect compares sees Fig. 5.
The present invention in haydite preparation process, by adding blast furnace slag, attapulgite and montmorillonite and controlling its incorporation
And sintering temperature, haydite pore passage structure, porosity and aperture can be effectively controlled, the surface area of haydite is greatly improved, from
And increased supported catalyst and accumulate with water engaging surface；Meanwhile, by haydite surface doping noble metal, using noble metal in micro- electricity
Catalytic action in solution preocess, accelerates the catalytic degradation effect to hard-degraded substance in high concentration, high toxicity organic wastewater, and has
Effect prevents the hardened phenomenon of material, improves the overall catalytic performance of material, reduces material and prepares replacement cost, increases
Social benefit is added.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in all should be covered
Within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.
Claims (10)
1. a kind of water process preparation method of noble metal iron-carbon micro-electrolysis haydite, it is characterised in that：Comprise the steps：
Step 1：Iron content bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are mixed according to predetermined quality ratio, forms mixed
Close material；Spheric granules is made after the compound is uniformly mixed with gluing agent solution；
Step 2：Roasting under reducing atmosphere, cooling are placed in after the spheric granules is dried, iron carbon haydite presoma is obtained；
Step 3：The iron carbon haydite presoma impregnated in noble metal mixed solution, reacted using ion exchange and displacement
To noble metal iron carbon haydite presoma；
Step 4：The noble metal iron carbon haydite presoma is placed in into drying, roasting, cooling in reducing atmosphere, noble metal iron is obtained
Carbon micro-electrolysis haydite.
2. a kind of water process according to claim 1 is used for the preparation method of noble metal iron-carbon micro-electrolysis haydite, its feature
It is：It is described to mix iron content bed material, carbon source, blast furnace slag, attapulgite and montmorillonite according to predetermined quality ratio, form mixing
Material；The spheric granules of predetermined particle diameter is made after the compound is uniformly mixed with gluing agent solution, concrete grammar is：
Iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are sieved into respectively acquisition particle size range for 45～325 mesh, particle diameter
The standby iron bed material of mesh identical, carbon source, blast furnace slag, attapulgite and montmorillonite,；
Standby iron bed material, carbon source, blast furnace slag, attapulgite and montmorillonite are mixed to get into compound according to predetermined ratio, will
The compound for arriving is 8 according to mass ratio with glutinous agent solution:1～3:1 proportion is uniformly mixed, and is subsequently adding comminutor
In, particle size range is made for 1～12 millimeter, particle diameter identical spheric granules；
3. a kind of water process according to claim 1 is used for the preparation method of noble metal iron-carbon micro-electrolysis haydite, its feature
It is：Roasting under reducing atmosphere, cooling are placed in after the drying by the spheric granules, the concrete of iron carbon haydite presoma is obtained
Step is；
The spheric granules obtained in step 1 is dried；
Dried spheric granules is put in enameling furnace, reducibility gas are passed through in the enameling furnace carries out roasting, roasting
Temperature is 300～1200 DEG C, then carries out cooling down prepared iron carbon haydite presoma.
4. a kind of water process according to claim 1 is used for the preparation method of noble metal iron-carbon micro-electrolysis haydite, its feature
It is：Prepared noble metal iron carbon haydite presoma is concretely comprised the following steps：
The platinum that mass fraction is 5～25% is obtained, one or more of palladium and rhodium metal acid solution are used as precious metal solution；
Iron carbon haydite presoma obtained in step 2 is impregnated with the precious metal solution, dip time is 10～600 seconds, is obtained
To noble metal iron carbon haydite presoma.
5. a kind of water process according to claim 1 is used for the preparation method of noble metal iron-carbon micro-electrolysis haydite, its feature
It is：Prepared noble metal iron-carbon micro-electrolysis haydite is concretely comprised the following steps：
Noble metal iron carbon haydite presoma obtained in step 3 is placed in reducing atmosphere and is dried；
Dried noble metal iron carbon haydite presoma is put in enameling furnace and is bakeed, sintering temperature is 200～800 DEG C；
Roasting noble metal iron carbon haydite presoma after baking is put under oxygen-free atmosphere, room temperature is naturally cooled to.
6. a kind of water process according to claim 1 is used for the preparation method of noble metal iron-carbon micro-electrolysis haydite, its feature
It is：The iron content bed material includes iron filings, oxides-containing iron, the hydroxide of iron, molysite, ferrous salt, the complex compound of iron, ferrous iron
Complex compound one or more.
7. a kind of water process according to claim 1 is used for the preparation method of noble metal iron-carbon micro-electrolysis haydite, its feature
It is：The carbon source is one or more of glucose, maltose, soluble starch, sucrose, activated carbon powder.
8. a kind of water process noble metal iron-carbon micro-electrolysis haydite according to claim 1, it is characterised in that：The iron bottom
The mass ratio of material, carbon source, blast furnace slag, attapulgite and montmorillonite is 1：(0.5～2)：(0.01～0.1)：(0.2～5)：(0.2
～5).
9. a kind of water process noble metal iron-carbon micro-electrolysis haydite according to claim 1, it is characterised in that：The adhesive
For polyvinyl alcohol, polyethylene, polystyrene, polytetrafluoroethylene (PTFE), phenolic resin, polyester that molar concentration is 0.1～3 mole per liter
One or more in resin, polyamide, epoxy resin.
10. a kind of water process noble metal iron-carbon micro-electrolysis haydite according to claim 1, it is characterised in that：The reduction
Atmosphere is one or two the combination in hydrogen, nitrogen, argon gas.
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