CN104230301A - Biocompatible hydrophilic magnetic sludge fine aggregate carrier and preparation method thereof - Google Patents
Biocompatible hydrophilic magnetic sludge fine aggregate carrier and preparation method thereof Download PDFInfo
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- CN104230301A CN104230301A CN201410479645.8A CN201410479645A CN104230301A CN 104230301 A CN104230301 A CN 104230301A CN 201410479645 A CN201410479645 A CN 201410479645A CN 104230301 A CN104230301 A CN 104230301A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention provides a biocompatible hydrophilic magnetic sludge fine aggregate carrier. The carrier is at least prepared from components in parts by weight as follows: 10-60 parts of silt or sludge, 10-50 parts of fly ash, 10-60 parts of cement, 4-20 parts of lime, 1-15 parts of gypsum, 2-30 parts of clay, 0-10 parts of an activator, 0-15 parts of a binder, 0-15 parts of a pore-forming agent, 0-20 parts of magnetic powder, 0-10 parts of a biocompatible substance and 0-10 parts of a hydrophilic agent. The invention further provides a preparation method of the fine aggregate carrier. According to the fine aggregate carrier, intractable solid waste such as the silt, the sludge, the fly ash and the like is consumed, a reliable way is provided for treatment of the solid waste such as the silt, the sludge and the fly ash, problems that biological carriers are poor in biocompatibility, poor in microorganism promotion and activation effect, insufficient in hydrophilic performance and sewage treatment effect and the like are solved, and the prepared fine aggregate carrier has the advantages of good mechanical property, high in biofilm forming speed, good in biological hydrophilic performance and sewage treatment effect and the like.
Description
Technical field
The invention belongs to environmental technology field, be specifically related to a kind of biocompatible hydrophilic magnetic sludge pottery sand carrier, also relate to the preparation method of this carrier.
Background technology
Dredged mud is a kind of a large amount of generation, and throw mud process and can produce to environment the waste polluted again, the dredged mud only produced in the Delta of the Pearl River region year of China will reach 8,000 ten thousand m usually
3left and right.For regulation rural area river regulation, Jiangsu Province's finance assigns first batch of rural area river regulation fund 3.7 hundred million yuan in July, 2012, wherein counties and townships' training of channel 1.9 hundred million yuan, and village river embankment renovates 1.8 hundred million yuan, the dredging regulation earthwork 3.6 hundred million m
3.Adjust in East Route Project at north and south water, the land expropriation cost of the dredging silt of generation reaches 6.4 hundred million Renminbi especially.The stacking of discarded mud not only needs a large amount of funds, the more important thing is and wastes a large amount of land resources.Meanwhile, due to the organic poison containing pathogenic bacteria, parasite (ovum), heavy metal and some difficult degradation in mud, therefore there is stronger contaminative.
Flyash is that the one similar volcano grey matter that coal dust is formed after low temperature stops working is mingled with, and it forms with clayey similar, is the primary solids waste that coal-burning power plant produces.It is predicted that " 12 " last flyash year generation will reach 5.7 hundred million tons, fully utilize the situation faced very severe.
If can with flyash and mud for main raw material, unburned technique is utilized to prepare the functional pottery sand being more suitable for water treatment requirement, industrial requirements can not only be met, the more important thing is the recycling that can realize flyash and mud, minimizing flyash and mud are to the pollution of environment, save flyash and the soil shared by mud, realize the recycling of resource, meet the requirement of low-carbon economy development.
Summary of the invention
Goal of the invention: in order to overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of biocompatible hydrophilic magnetic sludge pottery sand carrier and preparation method thereof, many-sided problems such as solving bio-carrier in practical application and there is bioaffinity, microorganism is promoted and activation, wetting ability and wastewater treatment efficiency be not enough, but also consume the unmanageable solid waste such as mud, mud, flyash.
Technical scheme: for achieving the above object provided by the invention, the technical solution used in the present invention is as follows:
Biocompatible hydrophilic magnetic sludge pottery sand carrier, be at least made up of the component of following weight part:
As preferably, described biocompatible hydrophilic magnetic sludge pottery sand carrier, is at least made up of the component of following weight part: mud or 15 parts, mud, 41 parts, flyash, cement 15 parts, 8 parts, lime, 2 parts, gypsum, clay 2 parts, exciting agent 2 parts, binding agent 5 parts, pore former 2 parts, magnetic 5 parts, bioaffinity material 1 part, hydrophilizing agent 2 parts.
Preferred as another kind, described cement is ordinary Portland cement.
Preferred as another kind, to tell exciting agent be the mixture of one or more in sodium hydroxide, calcium hydroxide, potassium hydroxide, magnesium hydroxide.
Preferred as another kind, described binding agent is a kind of in water glass, white glue with vinyl or both mixtures.
Preferred as another kind, described pore former is the mixture of one or more in sodium bicarbonate, hydrogen peroxide, ammonium salt, aluminium powder.
Preferred as another kind, described magnetic is the mixture of one or more in Al-Ni-Co series magnetic, siderochrome cobalt system magnetic, ferromagnetic oxide powder, rare earth permanent magnet powder and compound permanent magnetic powder.
Preferred as another kind, described bioaffinity material is the mixture of one or more in starch, stearic acid, agarose, flour, calcium carbonate, chitosan, alginate calcium, hydroxyapatite.
Preferred as another kind, described hydroaropic substance is the mixture of one or more in polyvinyl alcohol, polyacrylamide, polyacrylic acid, sodium polyacrylate, polyoxyethylene glycol.
Preferred as another kind, described biocompatible hydrophilic magnetic sludge pottery sand carrier is spheroidal particle or the irregularly shaped particles of median size 0.1 ~ 5mm.
Preferred as another kind, described mud or mud are sludge of sewage treatment plant or dredging silt.
Present invention also offers the baking-free Preparation Method of above-mentioned biocompatible hydrophilic magnetic sludge pottery sand carrier, comprise the following steps:
(1) by flyash, cement, clay, lime, gypsum, magnetic is levigate, sieve, dry;
(2) exciting agent, binding agent are configured to the aqueous solution respectively;
(3) mix, balling-up: take flyash, cement, lime, gypsum, mud or mud, magnetic, clay, pore former, bioaffinity material, hydrophilizing agent stirring respectively, obtain powder; Powder is put into tablets press granulation, while granulation, adhesive solution and the exciting agent aqueous solution are sprayed on raw material uniformly, obtain green-ball;
(4) ageing: green-ball is transferred in room temperature (20-25 DEG C) and sets to 0 .5-2h and make ageing;
(5) dry: the green-ball after ageing is dried 0.5-2h in 50-70 DEG C;
(6) vapor cure: dried green-ball is placed in pressure steam sterilizer, constant temp. steam maintenance 8-12h at 95-105 DEG C; Be placed in naturally cooling under room temperature again, obtain without magnetic pottery sand;
(7) magnetize: utilize magnet charger to magnetize to without magnetic pottery sand, obtain biocompatible hydrophilic magnetic sludge pottery sand carrier.
Wherein, in step (1), the size of mesh of sieving is 100-200 order; Bake out temperature is 90-110 DEG C.
Wherein, in step (2), the concentration of the described exciting agent aqueous solution is 2-3mol/L, preferred 2.86mol/L; The concentration of described adhesive solution is the aqueous solution of 2-3mol/L, 2.34mol/L.
Beneficial effect: biocompatible provided by the invention hydrophilic magnetic sludge pottery sand carrier not only consumes the unmanageable solid waste such as mud, mud, flyash, fixed-end forces for mud, mud, flyash provides reliable approach, and solve bio-carrier exist bioaffinity poor, to microorganism promote and activation is poor, wetting ability and wastewater treatment efficiency deficiency etc. many-sided problem, obtained pottery sand carrier has the advantages such as good mechanical property, fast, the biological close hydrophilicity of biofilm speed and good sewage processing effect.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) carrier of the present invention uses flyash, mud or mud as raw material, and it all belongs to solid waste, for the fixed-end forces of mud or mud, flyash provides reliable approach, environmental protection.
(2) exciting agent added in support material of the present invention can improve flyash activity, strengthens pottery sand intensity, thus improves pottery sand carrier mechanical property; Binding agent can make the better balling-up of powder, improves the plasticity-of pottery sand carrier; Pore former can increase the specific surface area of pottery sand carrier, makes pottery sand carrier surface adhere to more microorganism; Bioaffinity material not only as the physical attachment point of microorganism, can also provide nutritive substance as nutrition source to microorganism, makes microorganism be easier to growth, accelerates biomembranous biofilm speed and improves water treatment efficiency; Hydrophilizing agent can improve the hydrophilicity of carrier, increases the probability that microorganism contacts with haydite, makes microorganism easier in haydite surface growth, increases biological amount and biomembranous degree of compactness; Add magnetic and the static magnetic field that each pottery abrasive band can be made faint that magnetizes, when pottery sand is applied to water treatment, each pottery sand is equivalent to a Magnetic Field Source, be conducive to stimulating microbic activity, the chance contacted with dissolved oxygen with pollution substance improves, and the metabolism of the microorganism of load on pottery sand is accelerated, and accelerates, achieve the application of magnetic effect technology in biological sewage treatment to the degraded of pollution substance.
(3) carrier of the present invention has magnetic, and magnet or iron block can be utilized in bio-reactor after for some time to carrying out flushing recycling after its enrichment.
Embodiment
Below in conjunction with embodiment, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment 1
Biocompatible hydrophilic magnetic sludge pottery sand carrier, is at least made up of the component of following weight part: 15 parts, mud, 41 parts, flyash, silicate cement 15 parts, 8 parts, lime, 2 parts, gypsum, clay 2 parts, 2 parts, sodium hydroxide, water glass 5 parts, sodium bicarbonate 2 parts, Al-Ni-Co series magnetic 5 parts, mass ratio are chitosan and stearic acid 1 part, the polyacrylic acid 2 parts of 1:1.
Its preparation method, comprises the following steps:
(1) by flyash, cement, clay, lime, gypsum, magnetic is levigate, cross 140 mesh sieves, 100 DEG C of oven dry;
(2) exciting agent, binding agent are configured to the aqueous solution respectively; The concentration 2.86mol/L of the described exciting agent aqueous solution; The aqueous solution of the concentration 2.34mol/L of described adhesive solution;
(3) mix, balling-up: take flyash, cement, lime, gypsum, mud, magnetic, clay, pore former, bioaffinity material, hydrophilizing agent stirring respectively, obtain powder; Powder is put into tablets press granulation, while granulation, adhesive solution and the exciting agent aqueous solution are sprayed on raw material uniformly, obtain green-ball;
(4) ageing: green-ball is placed 1h under room temperature (20-25 DEG C) and makes ageing;
(5) dry: the green-ball after ageing is dried 1h in 60 DEG C;
(6) vapor cure: dried green-ball is placed in pressure steam sterilizer, constant temp. steam maintenance 10h at 100 DEG C; Be placed in naturally cooling under room temperature again, obtain without magnetic pottery sand;
(7) magnetize: utilize magnet charger to magnetize to without magnetic pottery sand, obtain biocompatible hydrophilic magnetic sludge pottery sand carrier.
Obtained biocompatible hydrophilic magnetic sludge pottery sand carrier is spheroidal particle or the irregularly shaped particles of median size 0.1 ~ 5mm.
Embodiment 2
Biocompatible hydrophilic magnetic sludge pottery sand carrier, is at least made up of the component of following weight part: 10 parts, mud, 50 parts, flyash, silicate cement 10 parts, 10 parts, lime, 1 part, gypsum, clay 10 parts, 0.5 part, potassium hydroxide, white glue with vinyl 0.5 part, 0.5 part, hydrogen peroxide, siderochrome cobalt system magnetic 10 parts, 0.5 part, calcium carbonate, polyacrylic acid 0.5 part.
Its preparation method, comprises the following steps:
(1) by flyash, cement, clay, lime, gypsum, magnetic is levigate, cross 100 mesh sieves, 90 DEG C of oven dry;
(2) exciting agent, binding agent are configured to the aqueous solution respectively; The concentration of the described exciting agent aqueous solution is 2mol/L; The concentration of described adhesive solution is 3mol/L;
(3) mix, balling-up: take flyash, cement, lime, gypsum, mud, magnetic, clay, pore former, bioaffinity material, hydrophilizing agent stirring respectively, obtain powder; Powder is put into tablets press granulation, while granulation, adhesive solution and the exciting agent aqueous solution are sprayed on raw material uniformly, obtain green-ball;
(4) ageing: green-ball is transferred in room temperature (20-25 DEG C) and sets to 0 .5h and make ageing;
(5) dry: the green-ball after ageing is dried 0.5h in 70 DEG C;
(6) vapor cure: dried green-ball is placed in pressure steam sterilizer, constant temp. steam maintenance 8h at 105 DEG C; Be placed in naturally cooling under room temperature again, obtain without magnetic pottery sand;
(7) magnetize: utilize magnet charger to magnetize to without magnetic pottery sand, obtain biocompatible hydrophilic magnetic sludge pottery sand carrier.
Obtained biocompatible hydrophilic magnetic sludge pottery sand carrier is spheroidal particle or the irregularly shaped particles of median size 0.1 ~ 5mm.
Embodiment 3
Biocompatible hydrophilic magnetic sludge pottery sand carrier, is at least made up of the component of following weight part: 60 parts, mud, 10 parts, flyash, silicate cement 60 parts, 4 parts, lime, 15 parts, gypsum, clay 30 parts, magnesium hydroxide 10 parts, white glue with vinyl 10 parts, aluminium powder 10 parts, ferromagnetic oxide powder 0.5 part, mass ratio are alginate calcium and hydroxyapatite 10 parts, the polyoxyethylene glycol 10 parts of 3:7.
Its preparation method, comprises the following steps:
(1) by flyash, cement, clay, lime, gypsum, magnetic is levigate, cross 200 mesh sieves, 110 DEG C of oven dry;
(2) exciting agent, binding agent are configured to the aqueous solution respectively; The concentration of the described exciting agent aqueous solution is 3mol/L; The concentration of described adhesive solution is 2mol/L;
(3) mix, balling-up: take flyash, cement, lime, gypsum, mud, magnetic, clay, pore former, bioaffinity material, hydrophilizing agent stirring respectively, obtain powder; Powder is put into tablets press granulation, while granulation, adhesive solution and the exciting agent aqueous solution are sprayed on raw material uniformly, obtain green-ball;
(4) ageing: green-ball is placed 2h under room temperature (20-25 DEG C) and makes ageing;
(5) dry: the green-ball after ageing is dried 2h in 50 DEG C;
(6) vapor cure: dried green-ball is placed in pressure steam sterilizer, constant temp. steam maintenance 12h at 95 DEG C; Be placed in naturally cooling under room temperature again, obtain without magnetic pottery sand;
(7) magnetize: utilize magnet charger to magnetize to without magnetic pottery sand, obtain biocompatible hydrophilic magnetic sludge pottery sand carrier.
Obtained biocompatible hydrophilic magnetic sludge pottery sand carrier is spheroidal particle or the irregularly shaped particles of median size 0.1 ~ 5mm.
Embodiment 4
(1) take levigate and cross 140 object mesh screens, the flyash 4.1kg of drying under the condition of 100 DEG C, mud 1.5kg, cement 1.5kg, calcium-base bentonite 0.2kg, lime 0.8kg, gypsum 0.2kg, ferromagnetic oxide powder 0.5kg;
(2) by 0.2kg magnesium hydroxide, 0.5kg water glass be made into the aqueous solution that solubility is 2.86mol/L, 2.34mol/L respectively;
(3) mixing, balling-up: the PVA mixed merging of the sodium bicarbonate of the flyash weighed up, cement, lime, gypsum, mud, ferromagnetic oxide powder, calcium-base bentonite and 0.2kg, the starch of 0.1kg and 0.2kg is stirred; After the powder be stirred is put into tablets press, the water glass configured and sodium hydroxide are sprayed at uniformly on raw material while granulation, the green-ball mean diameter prepared is 1 ~ 5mm;
(4) ageing: the green-ball prepared is placed 1h under the condition of room temperature (about 20-25 DEG C);
(5) dry: the pottery sand green-ball through ripening to be put into baking oven, at 60 DEG C, dries 1h;
(6) vapor cure: finally the green-ball through drying treatment is moved in pressure steam sterilizer, utilize constant temp. steam maintenance 10h at 100 DEG C;
(7) pottery sand good for maintenance is taken out in steam sterilization pan, be placed on naturally cooling in room temperature, treat that pottery sand is cooled to room temperature and is wired up by pottery sand;
(8) finally utilize magnet charger to magnetize to pottery sand under the condition of 600V, pottery sand is with the magnetic flux of 12GS.Embodiment 5
(1) take levigate and cross 140 object mesh screens, the flyash 4.5kg of drying under the condition of 100 DEG C, mud 1.5, cement 1kg, attapulgite 0.3kg, lime 0.8kg, gypsum 0.2kg, compound permanent magnetic powder 0.7kg;
(2) by 0.2kg potassium hydroxide, 0.5kg white glue with vinyl be made into the aqueous solution that solubility is 2.86mol/L, 2.34mol/L respectively;
(3) mixing, balling-up: the flyash weighed up, cement, lime, gypsum, mud, compound permanent magnetic powder, sodium bentonite are mixed with the polyacrylamide of the bicarbonate of ammonia of 0.2kg, the flour of 0.1kg and 0.2kg and stir; After the powder be stirred is put into tablets press, the white glue with vinyl configured and potassium hydroxide are sprayed at uniformly on raw material while granulation, the green-ball mean diameter prepared is 1 ~ 5mm;
(4) ageing: the green-ball prepared is placed 1h under the condition of room temperature (about 20-25 DEG C);
(5) dry: the pottery sand green-ball through ripening to be put into baking oven, at 60 DEG C, dries 1h;
(6) vapor cure: finally the green-ball through drying treatment is moved in pressure steam sterilizer, utilize constant temp. steam maintenance 10h at 100 DEG C;
(7) pottery sand good for maintenance is taken out in steam sterilization pan, be placed on naturally cooling in room temperature, treat that pottery sand is cooled to room temperature and is wired up by pottery sand;
(8) finally utilize magnet charger to magnetize to pottery sand under the condition of 600V, pottery sand is with the magnetic flux of 20GS.Embodiment 6
(1) take levigate and cross 140 object mesh screens, the flyash 4kg of drying under the condition of 100 DEG C, mud 0.8kg, mud 0.8kg, cement 1.5kg, montmorillonite 0.3kg, lime 0.8kg, gypsum 0.2kg, rare earth permanent magnet powder 0.6kg;
(2) by 0.1kg calcium hydroxide, 0.5kg water glass be made into the aqueous solution that solubility is 2.86mol/L, 2.34mol/L respectively;
(3) mixing, balling-up: the flyash weighed up, cement, lime, gypsum, mud, mud, rare earth permanent magnet powder, montmorillonite are mixed with the sodium polyacrylate of the volatile salt of 0.2kg, the agarose of 0.2kg and 0.3kg and stir; After the powder be stirred is put into tablets press, the water glass configured and calcium hydroxide are sprayed at uniformly on raw material while granulation, the green-ball mean diameter prepared is 1 ~ 5mm;
(4) ageing: the green-ball prepared is placed 1h under the condition of room temperature (about 20-25 DEG C);
(5) dry: the pottery sand green-ball through ripening to be put into baking oven, at 60 DEG C, dries 1h;
(6) vapor cure: finally the green-ball through drying treatment is moved in pressure steam sterilizer, utilize constant temp. steam maintenance 10h at 100 DEG C;
(7) pottery sand good for maintenance is taken out in steam sterilization pan, be placed on naturally cooling in room temperature, treat that pottery sand is cooled to room temperature and is wired up by pottery sand;
(8) finally utilize magnet charger to magnetize to pottery sand under the condition of 600V, pottery sand is with the magnetic flux of 18GS.
The biocompatible hydrophilic magnetic sludge pottery sand that commercially available water-treatment biological pottery sand (control group) is prepared with embodiment 1 to 6 is applied to sewage disposal, and treatment effect is in table 1.
The wastewater treatment efficiency of the hydrophilic magnetic sludge pottery sand of table 1 biocompatible of the present invention and control group
From table 1, biocompatible of the present invention hydrophilic magnetic sludge pottery sand carrier is respectively more than 90% COD of sewage cr, NH3-N clearance.Result shows: carrier of the present invention has remarkable treatment effect to sewage.
Claims (8)
1. a biocompatible hydrophilic magnetic sludge pottery sand carrier, is characterized in that: be at least made up of the component of following weight part:
2. biocompatible according to claim 1 hydrophilic magnetic sludge pottery sand carrier, is characterized in that: mud or 15 parts, mud, 41 parts, flyash, cement 15 parts, 8 parts, lime, 2 parts, gypsum, clay 2 parts, exciting agent 2 parts, binding agent 5 parts, pore former 2 parts, magnetic 5 parts, bioaffinity material 1 part, hydrophilizing agent 2 parts.
3. biocompatible according to claim 1 hydrophilic magnetic sludge pottery sand carrier, is characterized in that: described cement is ordinary Portland cement.
4. biocompatible according to claim 1 hydrophilic magnetic sludge pottery sand carrier, is characterized in that: described exciting agent is the mixture of one or more in sodium hydroxide, calcium hydroxide, potassium hydroxide, magnesium hydroxide; Described binding agent is a kind of in water glass, white glue with vinyl or both mixtures; Described pore former is the mixture of one or more in sodium bicarbonate, hydrogen peroxide, ammonium salt, aluminium powder; Described magnetic is the mixture of one or more in Al-Ni-Co series magnetic, siderochrome cobalt system magnetic, ferromagnetic oxide powder, rare earth permanent magnet powder and compound permanent magnetic powder; Described bioaffinity material is the mixture of one or more in starch, stearic acid, agarose, flour, calcium carbonate, chitosan, alginate calcium, hydroxyapatite; Described hydroaropic substance is the mixture of one or more in polyvinyl alcohol, polyacrylamide, polyacrylic acid, sodium polyacrylate, polyoxyethylene glycol.
5. biocompatible according to claim 1 hydrophilic magnetic sludge pottery sand carrier, is characterized in that: described biocompatible hydrophilic magnetic sludge pottery sand carrier is spheroidal particle or the irregularly shaped particles of median size 0.1 ~ 5mm.
6. the preparation method of the hydrophilic magnetic sludge pottery of the biocompatible described in any one of claim 1 to 5 sand carrier, is characterized in that: comprise the following steps:
(1) by flyash, cement, clay, lime, gypsum, magnetic is levigate, sieve, dry;
(2) exciting agent, binding agent are configured to the aqueous solution respectively;
(3) mix, balling-up: take flyash, cement, lime, gypsum, mud or mud, magnetic, clay, pore former, bioaffinity material, hydrophilizing agent stirring respectively, obtain powder; Powder is put into tablets press granulation, while granulation, adhesive solution and the exciting agent aqueous solution are sprayed on raw material uniformly, obtain green-ball;
(4) ageing: green-ball is transferred in room temperature (20-25 DEG C) and sets to 0 .5-2h and make ageing;
(5) dry: the green-ball after ageing is dried 0.5-2h in 50-70 DEG C;
(6) vapor cure: dried green-ball is placed in pressure steam sterilizer, constant temp. steam maintenance 8-12h at 95-105 DEG C; Be placed in naturally cooling under room temperature again, obtain without magnetic pottery sand;
(7) magnetize: utilize magnet charger to magnetize to without magnetic pottery sand, obtain biocompatible hydrophilic magnetic sludge pottery sand carrier.
7. the preparation method of the hydrophilic magnetic sludge pottery of the biocompatible according to claim sand carrier, it is characterized in that: in step (1), the size of mesh of sieving is 100-200 order; Bake out temperature is 90-110 DEG C.
8. the preparation method of the hydrophilic magnetic sludge pottery of the biocompatible according to claim sand carrier, it is characterized in that: in step (2), the concentration of the described exciting agent aqueous solution is 2-3mol/L, preferred 2.86mol/L; The concentration of described adhesive solution is the aqueous solution of 2-3mol/L, 2.34mol/L.
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