CN112479301A - Water pollution treatment material of molybdenum disulfide-loaded chitosan microspheres and preparation method thereof - Google Patents

Water pollution treatment material of molybdenum disulfide-loaded chitosan microspheres and preparation method thereof Download PDF

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CN112479301A
CN112479301A CN202011391053.2A CN202011391053A CN112479301A CN 112479301 A CN112479301 A CN 112479301A CN 202011391053 A CN202011391053 A CN 202011391053A CN 112479301 A CN112479301 A CN 112479301A
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chitosan
molybdenum disulfide
microspheres
pollution treatment
water pollution
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钱建强
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Tongxiang Jiman'er Information Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
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    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
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    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/10—Photocatalysts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
    • C08J2305/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof

Abstract

The invention relates to the technical field of water pollution treatment and discloses a water pollution treatment material of molybdenum disulfide-loaded chitosan microspheres, wherein carboxyl of thioglycollic acid reacts with amino of chitosan to form amide bond, sulfhydryl is grafted with chitosan, and heavy metal ions such as Cu are used for grafting2+Can generate coordination with sulfur of sulfydryl, and the sulfydryl is protonated and then reacts with heavy metal ion Cu2+The coordination capacity is enhanced, the adsorption capacity of the chitosan is improved, and the molybdenum disulfide forms Li under the action of n-butyl lithiumxMoS2The composite is ultrasonically stripped into single-layer nano molybdenum disulfide dispersion liquid, sulfur atom defect vacancies are generated after molybdenum disulfide is stripped, mercapto groups in the mercapto-modified chitosan crosslinking microspheres can be subjected to coordination grafting in the defect vacancies, so that the mercapto groups are tightly combined with each other through coordination grafting, and the uniformly dispersed single-layer nano molybdenum disulfide endows the chitosan microspheres with photocatalytic activity, so that the composite material has the double functions of adsorption and photocatalytic degradation on organic pollutants.

Description

Water pollution treatment material of molybdenum disulfide-loaded chitosan microspheres and preparation method thereof
Technical Field
The invention relates to the technical field of water pollution treatment, in particular to a water pollution treatment material of molybdenum disulfide-loaded chitosan microspheres and a preparation method thereof.
Background
The water pollution treatment refers to a process of purifying sewage to meet the water quality requirement of drainage or reuse, the sewage treatment is generally divided into production sewage treatment and domestic sewage treatment, the production sewage comprises industrial sewage, agricultural sewage, medical sewage and the like, the domestic sewage is sewage generated in daily life, the sewage treatment is widely applied to various fields of buildings, traffic, energy, environmental protection and the like at present, and the traditional water pollution treatment method comprises a filtration method, an evaporation method, an extraction method, an adsorption method, photocatalytic degradation and the like.
Molybdenum disulfide is a novel graphene-like two-dimensional material, the absorption wavelength of the molybdenum disulfide is located in the visible light range and the infrared light range where solar spectrum energy is most concentrated, the molybdenum disulfide is a narrow-bandgap semiconductor material with good visible light response, good photocatalytic degradation activity is shown, molybdenum disulfide is compounded with an adsorption material such as chitosan and polyacrylamide, and certain photocatalytic degradation performance is given to the adsorption material while the dispersibility of molybdenum disulfide is improved.
The chitosan is a product of natural polysaccharide chitin with partial acetyl removed, has multiple physiological functions of biodegradability, biocompatibility, lipid reduction, immunity enhancement and the like, is widely used in the fields of food additives, antibacterial agents, biomedicine and the like, and can react with heavy metal ions such as Cr ions due to a large amount of active amino and carboxyl groups in the molecular structure of the chitosan3+、Cu2+The coordination reaction occurs to form chelate, so the method is researched in the aspect of heavy metal wastewater treatmentThe chitosan is widely used as an adsorbent, is unstable in an acidic medium and is easy to dissolve and run off, and meanwhile, the chitosan has poor adsorption capacity on organic pollutants in sewage, so that the application of the chitosan in water pollution treatment is limited, and therefore, the chitosan needs to be subjected to surface modification, active adsorption groups such as sulfydryl and amidoxime groups are introduced, and the chitosan is compounded with photocatalytic nano materials such as molybdenum disulfide and titanium dioxide to improve the adsorption capacity on organic pollutants such as methylene blue and methyl orange and the photocatalytic degradation performance.
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a water pollution treatment material of molybdenum disulfide-loaded chitosan microspheres and a preparation method thereof, which solve the problem of poor adsorption performance of a chitosan adsorption material and solve the problem of no photocatalytic degradation performance.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a water pollution treatment material of molybdenum disulfide load chitosan microsphere, the preparation method of the water pollution treatment material of molybdenum disulfide load chitosan microsphere comprises the following steps:
(1) adding deionized water, chitosan microspheres and glutaraldehyde into a reactor, and stirring and reacting for 20-30h at room temperature to obtain chitosan crosslinked microspheres;
(2) adding deionized water, chitosan cross-linked microspheres, thioglycollic acid and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride into a reactor, stirring for 2-4h, dialyzing the product to remove impurities, and freeze-drying to obtain the thiolated chitosan cross-linked microspheres;
(3) adding n-hexane, nano molybdenum disulfide and n-butyllithium into a reactor, stirring and reacting for 36-72h in a nitrogen atmosphere, washing and purifying a product, adding distilled water, and placing the product in an ultrasonic instrument for ultrasonic stripping for 30-60min to obtain a single-layer nano molybdenum disulfide dispersion liquid;
(4) adding acetic acid solution and thiolated chitosan crosslinked microspheres into a reactor, stirring and dissolving, then adding single-layer nano molybdenum disulfide dispersion liquid, carrying out ultrasonic reaction for 4-8h, washing, centrifuging, drying and grinding a product to obtain the molybdenum disulfide loaded chitosan microsphere water pollution treatment material.
Preferably, the mass ratio of the chitosan crosslinked microspheres, the thioglycolic acid and the 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride in the step (2) is 100:40-50: 15-20.
Preferably, the ultrasonic instrument device in the step (3) comprises a motor, the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating wheel, the rotating wheel is movably connected with a chain, a storage plate is fixedly connected with the chain, an ultrasonic emitter is arranged in the ultrasonic instrument device, and a display and a switch are arranged on the surface of the ultrasonic instrument device.
Preferably, the mass ratio of the sulfhydryl modified chitosan crosslinking microspheres to the nano molybdenum disulfide in the step (2) is 100: 2-6.
(III) advantageous technical effects
Compared with the prior art, the invention has the following experimental principles and beneficial technical effects:
according to the water pollution treatment material of the molybdenum disulfide-loaded chitosan microsphere, under the activation action of 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride, carboxyl of thioglycolic acid reacts with amino of the chitosan crosslinked microsphere to form an amido bond, and an active sulfydryl is introduced into the chitosan crosslinked microsphere molecule through a chemical bond connection mode, so that the sulfydryl is firmly grafted with the chitosan crosslinked microsphere to obtain the sulfydryl modified chitosan crosslinked microsphere, and heavy metal ions such as Cr (chromium) ions3+、Cu2+Etc. can generate good coordination with sulfur on sulfhydryl, and in acid medium, sulfhydryl is protonated, and heavy metal ions such as Cr3+、Cu2+The isocoordination binding capacity is enhanced, and the adsorption capacity of the chitosan is effectively improved.
According to the water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres, the nano molybdenum disulfide forms Li under the action of n-butyl lithiumxMoS2The interlayer compound is further stripped through ultrasonic, so that the nano molybdenum disulfide is stripped, a single-layer nano molybdenum disulfide dispersion liquid is formed, after the molybdenum disulfide is stripped, the crystal structure is damaged, sulfur atoms are lost, and the interlayer compound is producedThe sulfydryl-containing substance has good ligand affinity for the sulfur defect vacancy of the molybdenum disulfide nanosheet, so sulfydryl in the sulfydryl-modified chitosan crosslinking microsphere can be subjected to coordination grafting in the sulfur defect vacancy at the edge of the single-layer nano molybdenum disulfide, the single-layer nano molybdenum disulfide and the chitosan microsphere are tightly combined through coordination grafting, the dispersibility of the single-layer nano molybdenum disulfide is improved, the separation and falling of the nano molybdenum disulfide and the chitosan microsphere are avoided, the uniformly dispersed single-layer nano molybdenum disulfide is endowed with good photocatalytic activity of the chitosan microsphere, and the composite material has excellent adsorption and photocatalytic degradation dual functions on organic pollutants such as methylene blue.
Drawings
FIG. 1 is a schematic diagram of the construction of an ultrasonic apparatus;
fig. 2 is a partial structural schematic view of the runner.
1-an ultrasonic instrument device; 2, a motor; 3-a rotating shaft; 4-rotating wheel; 5-a chain; 6-a storage plate; 7-an ultrasonic emitting device; 8-a display; 9-switch.
Detailed description of the preferred embodiments
To achieve the above object, the present invention provides the following embodiments and examples: a water pollution treatment material of molybdenum disulfide load chitosan microsphere, the preparation method comprises the following steps:
(1) adding deionized water, chitosan microspheres and glutaraldehyde into a reactor, and stirring and reacting for 20-30h at room temperature to obtain chitosan crosslinked microspheres;
(2) adding deionized water, chitosan cross-linked microspheres, thioglycolic acid and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride into a reactor, wherein the mass ratio of the chitosan cross-linked microspheres to the thioglycolic acid to the 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride is 100:40-50:15-20, stirring for 2-4h, dialyzing the product to remove impurities, and freeze-drying to obtain the thiolated chitosan cross-linked microspheres;
(3) adding n-hexane, nano molybdenum disulfide and n-butyllithium into a reactor, stirring and reacting for 36-72h under the nitrogen atmosphere, washing and purifying a product, adding distilled water, placing the product in an ultrasonic instrument, and ultrasonically stripping for 30-60min, wherein the ultrasonic instrument comprises a motor, the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating wheel, the rotating wheel is movably connected with a chain, the chain is fixedly connected with a storage plate, an ultrasonic emitter is arranged in the ultrasonic instrument, and a display and a switch are arranged on the surface of the ultrasonic instrument to obtain a single-layer nano molybdenum disulfide dispersion liquid;
(4) adding an acetic acid solution and thiolated chitosan crosslinked microspheres into a reactor, stirring and dissolving, then adding a single-layer nano molybdenum disulfide dispersion solution, wherein the mass ratio of the thiolated chitosan crosslinked microspheres to the nano molybdenum disulfide is 100:2-6, carrying out ultrasonic reaction for 4-8h, washing, centrifuging, drying and grinding a product, and thus obtaining the water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres.
Example 1
(1) Adding deionized water, chitosan microspheres and glutaraldehyde into a reactor, and stirring and reacting for 20 hours at room temperature to obtain chitosan crosslinked microspheres;
(2) adding deionized water, chitosan cross-linked microspheres, thioglycolic acid and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride into a reactor, wherein the mass ratio of the chitosan cross-linked microspheres to the thioglycolic acid to the 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride is 100:40:15, stirring for 2 hours, dialyzing a product to remove impurities, and freeze-drying to obtain the thiolated chitosan cross-linked microspheres;
(3) adding n-hexane, nano molybdenum disulfide and n-butyllithium into a reactor, stirring and reacting for 36h under the nitrogen atmosphere, washing and purifying a product, adding distilled water, placing the product in an ultrasonic instrument, and ultrasonically stripping for 30min, wherein the ultrasonic instrument comprises a motor, the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating wheel, the rotating wheel is movably connected with a chain, the chain is fixedly connected with a storage plate, an ultrasonic emitter is arranged in the ultrasonic instrument, and a display and a switch are arranged on the surface of the ultrasonic instrument to obtain a single-layer nano molybdenum disulfide dispersion liquid;
(4) adding an acetic acid solution and thiolated chitosan crosslinked microspheres into a reactor, stirring and dissolving, then adding a single-layer nano molybdenum disulfide dispersion solution, wherein the mass ratio of the thiolated chitosan crosslinked microspheres to the nano molybdenum disulfide is 100:2, carrying out ultrasonic reaction for 4 hours, washing, centrifuging, drying and grinding a product, and thus obtaining the water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres.
Example 2
(1) Adding deionized water, chitosan microspheres and glutaraldehyde into a reactor, and stirring at room temperature for reacting for 205h to obtain chitosan crosslinked microspheres;
(2) adding deionized water, chitosan cross-linked microspheres, thioglycolic acid and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride into a reactor, wherein the mass ratio of the chitosan cross-linked microspheres to the thioglycolic acid to the 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride is 100:45:17.5, stirring for 3 hours, dialyzing a product to remove impurities, and freeze-drying to obtain the thiolated chitosan cross-linked microspheres;
(3) adding n-hexane, nano molybdenum disulfide and n-butyllithium into a reactor, stirring and reacting for 48 hours under the nitrogen atmosphere, washing and purifying a product, adding distilled water, placing the product in an ultrasonic instrument, and ultrasonically stripping for 50 minutes, wherein the ultrasonic instrument comprises a motor, the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating wheel, the rotating wheel is movably connected with a chain, the chain is fixedly connected with a storage plate, an ultrasonic emitter is arranged in the ultrasonic instrument, and a display and a switch are arranged on the surface of the ultrasonic instrument to obtain a single-layer nano molybdenum disulfide dispersion liquid;
(4) adding an acetic acid solution and thiolated chitosan crosslinked microspheres into a reactor, stirring and dissolving, then adding a single-layer nano molybdenum disulfide dispersion solution, wherein the mass ratio of the thiolated chitosan crosslinked microspheres to the nano molybdenum disulfide is 100:4, carrying out ultrasonic reaction for 6 hours, washing, centrifuging, drying and grinding a product, and thus obtaining the water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres.
Example 3
(1) Adding deionized water, chitosan microspheres and glutaraldehyde into a reactor, and stirring at room temperature for reaction for 25 hours to obtain chitosan crosslinked microspheres;
(2) adding deionized water, chitosan cross-linked microspheres, thioglycolic acid and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride into a reactor, wherein the mass ratio of the chitosan cross-linked microspheres to the thioglycolic acid to the 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride is 100:50:20, stirring for 4 hours, dialyzing a product to remove impurities, and freeze-drying to obtain the thiolated chitosan cross-linked microspheres;
(3) adding n-hexane, nano molybdenum disulfide and n-butyllithium into a reactor, stirring and reacting for 72 hours in a nitrogen atmosphere, washing and purifying a product, adding distilled water, placing the product in an ultrasonic instrument, and ultrasonically stripping for 60 minutes, wherein the ultrasonic instrument comprises a motor, the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating wheel, the rotating wheel is movably connected with a chain, the chain is fixedly connected with a storage plate, an ultrasonic emitter is arranged in the ultrasonic instrument, and a display and a switch are arranged on the surface of the ultrasonic instrument to obtain a single-layer nano molybdenum disulfide dispersion liquid;
(4) adding an acetic acid solution and thiolated chitosan crosslinked microspheres into a reactor, stirring and dissolving, then adding a single-layer nano molybdenum disulfide dispersion solution, wherein the mass ratio of the thiolated chitosan crosslinked microspheres to the nano molybdenum disulfide is 100:6, carrying out ultrasonic reaction for 8 hours, washing, centrifuging, drying and grinding a product, and thus obtaining the water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres.
Comparative example 1
(1) Adding deionized water, chitosan microspheres and glutaraldehyde into a reactor, and stirring and reacting for 18 hours at room temperature to obtain chitosan crosslinked microspheres;
(2) adding deionized water, chitosan cross-linked microspheres, thioglycolic acid and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride into a reactor, wherein the mass ratio of the chitosan cross-linked microspheres to the thioglycolic acid to the 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride is 100:35:12.5, stirring for 2 hours, dialyzing a product to remove impurities, and freeze-drying to obtain the thiolated chitosan cross-linked microspheres;
(3) adding n-hexane, nano molybdenum disulfide and n-butyllithium into a reactor, stirring and reacting for 35 hours under the nitrogen atmosphere, washing and purifying a product, adding distilled water, placing the product in an ultrasonic instrument, and ultrasonically stripping for 30 minutes, wherein the ultrasonic instrument comprises a motor, the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating wheel, the rotating wheel is movably connected with a chain, the chain is fixedly connected with a storage plate, an ultrasonic emitter is arranged in the ultrasonic instrument, and a display and a switch are arranged on the surface of the ultrasonic instrument to obtain a single-layer nano molybdenum disulfide dispersion liquid;
(4) adding an acetic acid solution and thiolated chitosan crosslinked microspheres into a reactor, stirring and dissolving, then adding a single-layer nano molybdenum disulfide dispersion solution, carrying out ultrasonic reaction for 3 hours, washing, centrifuging, drying and grinding a product to obtain the water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres.
Comparative example 2
(1) Adding deionized water, chitosan microspheres and glutaraldehyde into a reactor, and stirring at room temperature for reacting for 35 hours to obtain chitosan crosslinked microspheres;
(2) adding deionized water, chitosan cross-linked microspheres, thioglycolic acid and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride into a reactor, wherein the mass ratio of the chitosan cross-linked microspheres to the thioglycolic acid to the 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride is 100:55:22.5, stirring for 5 hours, dialyzing a product to remove impurities, and freeze-drying to obtain the thiolated chitosan cross-linked microspheres;
(3) adding n-hexane, nano molybdenum disulfide and n-butyllithium into a reactor, stirring and reacting for 75 hours under the nitrogen atmosphere, washing and purifying a product, adding distilled water, placing the product in an ultrasonic instrument, and ultrasonically stripping for 60 minutes, wherein the ultrasonic instrument comprises a motor, the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating wheel, the rotating wheel is movably connected with a chain, the chain is fixedly connected with a storage plate, an ultrasonic emitter is arranged in the ultrasonic instrument, and a display and a switch are arranged on the surface of the ultrasonic instrument to obtain a single-layer nano molybdenum disulfide dispersion liquid;
(4) adding an acetic acid solution and thiolated chitosan crosslinked microspheres into a reactor, stirring and dissolving, then adding a single-layer nano molybdenum disulfide dispersion solution, wherein the mass ratio of the thiolated chitosan crosslinked microspheres to the nano molybdenum disulfide is 100:8, carrying out ultrasonic reaction for 10 hours, washing, centrifuging, drying and grinding a product, and thus obtaining the water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres.
Preparing a mixed solution of a 1% methylene blue solution and a 5% molybdenum disulfide loaded chitosan microsphere water pollution treatment material, adjusting the pH value of the solution to 6, performing radiation reaction for 5h by using a 500W xenon lamp as a light source, and testing the absorbance and degradation rate of methylene blue by using a UV752N type ultraviolet-visible spectrophotometer, wherein the test standard is GB/T23762-.
Figure BDA0002811012610000081
0.01g of Cu (NO) was added to deionized water3)2And 0.1g of water pollution treatment material of molybdenum disulfide-loaded chitosan microspheres, after shaking and mixing uniformly, adjusting the pH value of the solution to 6, and testing the Cu-adsorbing material2+The maximum saturated adsorption amount of (c).
Figure BDA0002811012610000082

Claims (4)

1. A water pollution treatment material of molybdenum disulfide load chitosan microballon which characterized in that: the preparation method of the water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres comprises the following steps:
(1) adding chitosan microspheres and glutaraldehyde into a deionized water solvent, and stirring and reacting for 20-30h at room temperature to obtain chitosan crosslinked microspheres;
(2) adding chitosan cross-linked microspheres, thioglycollic acid and 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride into a deionized water solvent, stirring for 2-4h, dialyzing a product to remove impurities, and freeze-drying to obtain the thiolated chitosan cross-linked microspheres;
(3) adding nano molybdenum disulfide and n-butyllithium into an n-hexane solvent, stirring and reacting for 36-72h under the nitrogen atmosphere, washing and purifying a product, adding distilled water, and placing the product in an ultrasonic instrument for ultrasonic stripping for 30-60min to obtain a single-layer nano molybdenum disulfide dispersion liquid;
(4) adding thiolated chitosan crosslinked microspheres into an acetic acid solution, stirring and dissolving, then adding a single-layer nano molybdenum disulfide dispersion solution, carrying out ultrasonic reaction for 4-8h, washing, centrifuging, drying and grinding a product to obtain the molybdenum disulfide loaded chitosan microsphere water pollution treatment material.
2. The water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres as claimed in claim 1, wherein: in the step (2), the mass ratio of the chitosan crosslinked microspheres to the thioglycolic acid to the 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride is 100:40-50: 15-20.
3. The water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres as claimed in claim 1, wherein: the ultrasonic instrument device in the step (3) comprises a motor, the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating wheel, the rotating wheel is movably connected with a chain, a storage plate is fixedly connected with the chain, an ultrasonic emitter is arranged in the ultrasonic instrument device, and a display and a switch are arranged on the surface of the ultrasonic instrument device.
4. The water pollution treatment material of the molybdenum disulfide-loaded chitosan microspheres as claimed in claim 1, wherein: the mass ratio of the sulfhydryl modified chitosan crosslinking microspheres to the nano molybdenum disulfide in the step (2) is 100: 2-6.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113289587A (en) * 2021-05-10 2021-08-24 苏州君盟生物医药科技有限公司 Sulfydryl modified magnetic nano-microsphere and preparation method and application thereof
CN113559262A (en) * 2021-08-10 2021-10-29 江南大学 Photodynamic nano antibacterial material and preparation method and application thereof
CN115368635A (en) * 2021-05-21 2022-11-22 四川大学 Preparation method of nano molybdenum disulfide composite natural polysaccharide microspheres based on limited space

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113289587A (en) * 2021-05-10 2021-08-24 苏州君盟生物医药科技有限公司 Sulfydryl modified magnetic nano-microsphere and preparation method and application thereof
CN113289587B (en) * 2021-05-10 2023-11-28 苏州君盟生物医药科技有限公司 Sulfhydryl modified magnetic nano microsphere and preparation method and application thereof
CN115368635A (en) * 2021-05-21 2022-11-22 四川大学 Preparation method of nano molybdenum disulfide composite natural polysaccharide microspheres based on limited space
CN113559262A (en) * 2021-08-10 2021-10-29 江南大学 Photodynamic nano antibacterial material and preparation method and application thereof

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