CN109966313A - A kind of combined oxidation zinc nano material, preparation method and application based on oyster shell or egg shell template - Google Patents
A kind of combined oxidation zinc nano material, preparation method and application based on oyster shell or egg shell template Download PDFInfo
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- CN109966313A CN109966313A CN201910316017.0A CN201910316017A CN109966313A CN 109966313 A CN109966313 A CN 109966313A CN 201910316017 A CN201910316017 A CN 201910316017A CN 109966313 A CN109966313 A CN 109966313A
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 80
- 102000002322 Egg Proteins Human genes 0.000 title claims abstract description 65
- 108010000912 Egg Proteins Proteins 0.000 title claims abstract description 65
- 210000003278 egg shell Anatomy 0.000 title claims abstract description 65
- 239000011701 zinc Substances 0.000 title claims abstract description 33
- 239000002086 nanomaterial Substances 0.000 title claims abstract description 31
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 29
- 230000003647 oxidation Effects 0.000 title claims abstract description 28
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000011787 zinc oxide Substances 0.000 claims abstract description 29
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000003837 high-temperature calcination Methods 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 16
- 239000002105 nanoparticle Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 229910002651 NO3 Inorganic materials 0.000 claims description 6
- 230000003115 biocidal effect Effects 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 2
- 241000588724 Escherichia coli Species 0.000 abstract description 12
- 230000000845 anti-microbial effect Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 241000191967 Staphylococcus aureus Species 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 7
- 230000000844 anti-bacterial effect Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 230000002401 inhibitory effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000002114 nanocomposite Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000001408 fungistatic effect Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 1
- 241001478240 Coccus Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000237502 Ostreidae Species 0.000 description 1
- 206010034133 Pathogen resistance Diseases 0.000 description 1
- 241000191940 Staphylococcus Species 0.000 description 1
- 235000009754 Vitis X bourquina Nutrition 0.000 description 1
- 235000012333 Vitis X labruscana Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 235000020636 oyster Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/24—Heavy metals; Compounds thereof
- A61K33/30—Zinc; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a kind of combined oxidation zinc nano material, preparation method and application based on oyster shell or egg shell template, belong to technical field of nano material.The combined oxidation zinc nano material is to be adsorbed using discarded extra large oyster shell or egg shell as template by zinc ion, and nano zinc oxide particles are loaded to extra large oyster shell or egg shell surface by high-temperature calcination, to be made.The preparation of the nano material is the following steps are included: oyster shell or egg shell pretreatment；Prepare carrier oyster shell or egg shell；Zinc ion absorption；The preparation of oyster shell or the combined oxidation zinc nano material of egg shell load.The combined oxidation zinc nano material has good anti-microbial property to Escherichia coli and S. aureus L-forms.Its preparation process is simple and easy, and material source is abundant.
Description
Technical field
The invention belongs to technical field of nano material, and in particular to a kind of composite oxygen based on oyster shell or egg shell template
Change zinc nano material, preparation method and application.
Background technique
Escherichia coli and staphylococcus aureus are the bacteriums that infection is easiest in our daily lifes, have seriously affected people
The health of class.Wherein, a kind of Gram-negative that Escherichia coli are main in people and many animal intestinal tracts and quantity is most is thin
Bacterium；Staphylococcus aureus is a kind of gram-positive bacterium for being common in skin surface and upper respiratory tract mucous membrane.Nowadays, antibiosis
Element can effectively inhibit the growth of bacterium as a kind of drug, however excessive use and inappropriate place due to antibiotic
Reason causes bacterium to be evolved and drug resistance occurs, and develops the period that a new antibiotic drug needs to grow very much.Nanocomposite
It is generally acknowledged a kind of material with medicine and biological applications prospect, the nanocomposite with antimicrobial acivity effect
It is increasingly used in the substitute of antibiotic or additive.
The green carriers that the present invention selects --- oyster shell and egg shell are usually just thrown aside without any pretreatment in rubbish
In rubbish landfill yard, it is discarded natural material.In recent years, oyster shell and egg shell as value-added product application
A large amount of research is carried out, their chemical composition is substantially similar, calcium carbonate that the main component of oyster shell is 95% and a small amount of
Chitin element；Calcium carbonate content is abundant in eggshell, and has distinctive pore structure.
In the present invention, we using oyster shell and egg shell waste as biological template, be prepared for based on oyster shell and
The combined oxidation zinc nano material of egg shell template；The nanocomposite has Escherichia coli and staphylococcus aureus bacterium
Good inhibiting effect is a kind of effective antibacterial agent.There is the preparation method of the nano material material source to enrich, preparation is simple
The advantages that single, environmentally protective.
Summary of the invention
The present invention constantly enhances for the drug resistance of common bacteria, and research and develop period that new antibiotic drug needs to grow very much and
The problems such as process costs are high, trivial operations, low efficiency, provide it is a kind of with good antibacterial effect based on oyster shell and egg
Combined oxidation zinc nano material, preparation method and the application of shell mold plate.Composite nano materials of the invention are turned waste into wealth, with male
Oyster shell and egg shell waste are raw material；It calcines, utilizes after being mixed using oyster shell and egg shell with respective metal solion
The simple ions binding and method aoxidized is prepared.The combined oxidation zinc nano material is to Escherichia coli and golden yellow grape
Coccus bacterium has good inhibiting effect, is a kind of effective antibacterial agent.Its preparation process is simple and easy, and raw material sources are abundant,
It is environmentally protective.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of combined oxidation zinc nano material based on oyster shell and egg shell template is inhaled using oyster shell and egg shell as carrier
Attached zinc ion, then high-temperature oxydation generates obtained by Zinc oxide nanoparticle again.
A kind of preparation method of the nano zinc oxide material based on oyster shell or egg shell template, specifically includes following step
It is rapid:
(1) oyster shell or egg shell pretreatment: discarded oyster shell or egg shell are collected, by oyster shell or egg shell deionized water
It washs repeatedly, clear water impregnates 1~3 hour at room temperature, and naturally dry is spare；
(2) preparation of carrier oyster shell or egg shell: the oyster shell handled in step (1) or egg shell are smashed with pulverizer,
Sieving takes the oyster shell of a certain amount of sieving or egg shell powder to be immersed in 10~30 min of processing in NaOH solution, then spends
After ion water washing 3~5 times, drying obtains carrier oyster shell or egg shell；
(3) zinc ion adsorbs: by step (2) resulting vehicle oyster shell or egg shell, immersing zinc nitrate (Zn (NO3)2·6H2O) molten
Liquid, magnetic agitation 6-24 h, zinc ion is adsorbed on oyster shell or egg shell carrier at room temperature；
(4) zinc ion oxidation generates Zinc oxide nanoparticle: the reaction solution in above-mentioned steps (3) being vacuumized and takes top solid powder
End is packed into crucible after drying, is put into Muffle furnace high-temperature calcination for zinc ion and aoxidizes generation Zinc oxide nanoparticle to get based on male
The nano zinc oxide material of oyster shell or egg shell template.
The dosage of above-mentioned steps (2) oyster shell or egg shell powder is 5g, the volume hundred of the NaOH solution
Dividing specific concentration is 10%, volume 20ml.
The dosage of carrier oyster shell or egg shell is 2 g, zinc nitrate (Zn (NO in above-mentioned steps (3)3)2·6H2O) solution
Concentration be the mM of 10 mM~50, zinc nitrate (Zn (NO3)2·6H2O) volume of solution is 10~50 ml.
Calcination temperature in above-mentioned steps (4) is 600 DEG C, and the reaction time is 4 h, and heating, cooling rate is 5 in Muffle furnace
℃/min。
The present invention is based on oyster shells or the composite zinc oxide Application of micron of egg shell template in terms of microbial antibacterial,
There is good anti-microbial property to Escherichia coli and staphylococcus aureus.
The beneficial effects of the present invention are:
(1) combined oxidation zinc nano material of the invention, carrier used are discarded oyster shell or egg shell, raw material sources
Extensively, not only not any pollution is generated, can also be achieved the recycling and reusing of bio-waste；
(2) method and step of synthesizing nano-particle is simple in the present invention, and faster, cost-effectiveness is high for aggregate velocity.It is generated to receive
Rice grain is stablized.
(3) the combined oxidation zinc nano material of the invention based on oyster shell or egg shell template is to Escherichia coli and golden yellow
Color staphylococcus has good anti-microbial property, solves the problems, such as medicine and biologically bacterial resistance to a certain extent, has
Good application prospect.
Detailed description of the invention
Fig. 1 is X-ray diffraction (XRD) spectrogram of combined oxidation zinc nano material in the present invention.
Fig. 2 is the scanning electron microscope (SEM) photograph of combined oxidation zinc nano material in the present invention；It (b) is the local high definition scanning figure of (a)
Picture is (c) the local high definition scan image of (b).
Fig. 3 be the present invention in combined oxidation zinc nano material to Escherichia coli and staphylococcus aureus bacteriostasis
Figure；(a) ZnO probes into staphylococcus aureus fungistatic effect, and (b) ZnO probes into Escherichia coli fungistatic effect.
Specific embodiment
In order to further explain the technical solution of the present invention, below by way of specific embodiment combination attached drawing to of the invention
Technical solution is further explained and described.
Embodiment 1
It is a kind of based on combined oxidation zinc nano material, preparation method based on oyster shell template, specifically includes the following steps:
(1) oyster shell pre-processes: collecting discarded oyster shell, oyster shell is washed repeatedly with deionized water, at room temperature clearly
Water impregnates 2 hours, and naturally dry is spare.
(2) preparation of carrier oyster shell: the oyster shell handled in step (1) is smashed with pulverizer, is sieved, 5g is taken to be sieved
Oyster shell powder be immersed in concentration of volume percent be 10% NaOH solution in handle 20 min, be then washed with deionized water
After washing 3 times, drying obtains carrier oyster shell.
(3) zinc ion adsorbs: taking step (2) resulting vehicle oyster shell 2g, immerses 20ml 0.5M zinc nitrate (Zn (NO3)2·
6H2O) solution, 24 h of magnetic agitation, zinc ion is adsorbed on oyster shell carrier at room temperature；
(4) zinc ion oxidation generates Zinc oxide nanoparticle: the reaction solution in above-mentioned steps (3) being vacuumized and takes top solid powder
End is packed into crucible after 60 DEG C of baking oven 30min are dried, is put into Muffle furnace, 600 DEG C of high-temperature calcination 4h, temperature rate is 5
℃/min.Zinc ion is aoxidized and generates Zinc oxide nanoparticle to get the nano zinc oxide material based on oyster shell template.
Embodiment 2
It is a kind of based on combined oxidation zinc nano material, preparation method based on egg shell template, specifically includes the following steps:
(1) egg shell pre-processes: collecting discarded egg shell, egg shell is washed repeatedly with deionized water, at room temperature clearly
Water impregnates 2 hours, and naturally dry is spare.
(2) preparation of carrier egg shell: the egg shell handled in step (1) is smashed with pulverizer, is sieved, 5g is taken to be sieved
Egg shell powder be immersed in concentration of volume percent be 10% NaOH solution in handle 20 min, be then washed with deionized water
After washing 3 times, drying obtains carrier egg shell.
(3) zinc ion adsorbs: taking step (2) resulting vehicle egg shell 2g, immerses 20ml 0.5M zinc nitrate (Zn (NO3)2·
6H2O) solution, 24 h of magnetic agitation, zinc ion is adsorbed on egg shell carrier at room temperature；
(4) zinc ion oxidation generates Zinc oxide nanoparticle: the reaction solution in above-mentioned steps (3) being vacuumized and takes top solid powder
End is packed into crucible after 60 DEG C of baking oven 30min are dried, is put into Muffle furnace, 600 DEG C of high-temperature calcination 4h, temperature rate is 5
℃/min.Zinc ion is aoxidized and generates Zinc oxide nanoparticle to get the nano zinc oxide material based on egg shell template.
Embodiment 3
A kind of performance detection of the nano zinc oxide material based on oyster shell template.
X-ray diffraction (XRD) spectrogram such as Fig. 1 of nano zinc oxide material based on oyster shell template prepared by embodiment 1
It is shown.Six side's mine structures of ZnO are shown in figure.As seen from the figure, nano zinc oxide material is supported on oyster shell well
On surface.The electron scanning electron microscope of pure oyster shell, as seen from the figure, pure oyster shell surface relatively light is shown in a figure in Fig. 2
It is sliding；B figure in Fig. 2 is the electron scanning electron microscope of the nano zinc oxide material based on oyster shell template, the results showed that, oyster shell
Surface becomes coarse, and zinc oxide nano-particle is successfully supported on the surface of oyster shell, the local high definition scan image c of b figure in Fig. 2
Chart is bright, and the diameter of zinc oxide nano-particle is in 50 ~ 100 nm.A figure is it can be seen that the zinc oxide based on oyster shell template in Fig. 3
(1 is the sample of embodiment 1 to inhibitory effect of the nano material to staphylococcus aureus growth very well；Antibacterial circle diameter is 18mm；
2 be pure oyster shell, antibacterial circle diameter 7mm；3 represent the zinc oxide of commodity), b figure is it can be seen that based on oyster shell template
Nano zinc oxide material is fine to the inhibitory effect of Escherichia coli Growth.(1 is sample, antibacterial circle diameter 14mm；2 be pure male
Oyster shell, antibacterial circle diameter 6.5mm).
Application Example 1
Fresh staphylococcus aureus solution and Escherichia coli solution are prepared, and adjusting bacterial strain density is about 106CFU/mL,
It takes 20 μ L to be coated on culture dish, is put into tablet made of 1 sample of 70mg embodiment, culture dish is put into 37oC incubator for 24 hours,
And measure inhibition zone size.
Application Example 2
Fresh staphylococcus aureus solution and Escherichia coli solution are prepared, and adjusting bacterial strain density is about 106CFU/mL,
It takes 20 μ L to be coated on culture dish, is put into tablet made of 1 sample of 70mg embodiment, culture dish is put into 37oC incubator for 24 hours,
And measure inhibition zone size.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (6)
1. a kind of combined oxidation zinc nano material based on oyster shell or egg shell template, it is characterised in that: the combined oxidation
Zinc nano material, as carrier, is adsorbed by zinc ion zinc oxide nano-particle loading to oyster shell by oyster shell or egg shell
Or egg shell surface preparation gained.
2. it is a kind of prepare it is described in claim 1 it is a kind of based on oyster shell or egg shell be template combined oxidation zinc nano material
Method, characterized by the following steps:
(1) oyster shell or egg shell pretreatment: discarded oyster shell or egg shell are collected, by oyster shell or egg shell deionized water
It washs repeatedly, clear water impregnates 1~3 hour at room temperature, and naturally dry is spare；
(2) preparation of carrier oyster shell or egg shell: the oyster shell handled in step (1) or egg shell are smashed with pulverizer,
Sieving takes the oyster shell of a certain amount of sieving or egg shell powder to be immersed in 10~30 min of processing in NaOH solution, then spends
After ion water washing 3~5 times, drying obtains carrier oyster shell or egg shell；
(3) zinc ion adsorbs: by step (2) resulting vehicle oyster shell or egg shell, immersing zinc nitrate (Zn (NO3)2·6H2O) molten
Liquid, magnetic agitation 6-24 h, zinc ion is adsorbed on oyster shell or egg shell carrier at room temperature；
(4) zinc ion oxidation generates Zinc oxide nanoparticle: the reaction solution in above-mentioned steps (3) being vacuumized and takes top solid powder
End is packed into crucible after drying, is put into Muffle furnace high-temperature calcination for zinc ion and aoxidizes generation Zinc oxide nanoparticle to get based on male
The nano zinc oxide material of oyster shell or egg shell template.
3. a kind of preparation of combined oxidation zinc nano material based on oyster shell or egg shell template according to claim 2
Method, it is characterised in that: the dosage of step (2) oyster shell or egg shell powder is 5g, the body of the NaOH solution
Product percent concentration is 10%, volume 20ml.
4. a kind of preparation of combined oxidation zinc nano material based on oyster shell or egg shell template according to claim 2
Method, it is characterised in that: the dosage of carrier oyster shell or egg shell is 2 g, zinc nitrate Zn (NO in step (3)3)2·6H2O is molten
The concentration of liquid is the mM of 10 mM~500, zinc nitrate Zn (NO3)2·6H2The volume of O solution is 10~50 ml.
5. a kind of preparation of combined oxidation zinc nano material based on oyster shell or egg shell template according to claim 2
Method, it is characterised in that: the Muffle furnace high-temperature calcination temperature in step (4) is 600 DEG C, and the reaction time is 4 h, Muffle furnace liter
Temperature, rate of temperature fall are 5 DEG C/min.
6. a kind of combined oxidation zinc nano material as described in claim 1 based on oyster shell or egg shell template prepare it is micro-
Application on biological antibiotic material.
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| TWI787091B (en) * | 2022-02-24 | 2022-12-11 | 臺灣塑膠工業股份有限公司 | Oyster shell powder and manufacture method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624497A (en) * | 2019-10-18 | 2019-12-31 | 泉州师范学院 | Preparation method of magnetic composite material and application of magnetic composite material in removing tetracycline hydrochloride |
| TWI787091B (en) * | 2022-02-24 | 2022-12-11 | 臺灣塑膠工業股份有限公司 | Oyster shell powder and manufacture method thereof |
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