CN113634261B - Waste water purification material - Google Patents
Waste water purification material Download PDFInfo
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- CN113634261B CN113634261B CN202111071816.XA CN202111071816A CN113634261B CN 113634261 B CN113634261 B CN 113634261B CN 202111071816 A CN202111071816 A CN 202111071816A CN 113634261 B CN113634261 B CN 113634261B
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- 239000000463 material Substances 0.000 title claims abstract description 11
- 239000002351 wastewater Substances 0.000 title claims abstract description 7
- 238000000746 purification Methods 0.000 title claims abstract description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 20
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims abstract description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 18
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000004729 solvothermal method Methods 0.000 claims abstract description 15
- 229910016506 CuCo2O4 Inorganic materials 0.000 claims abstract description 10
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims abstract description 10
- 239000004312 hexamethylene tetramine Substances 0.000 claims abstract description 10
- 229960004011 methenamine Drugs 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000012286 potassium permanganate Substances 0.000 claims abstract description 10
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims abstract description 9
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 229910003144 α-MnO2 Inorganic materials 0.000 claims abstract description 9
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001263 FEMA 3042 Substances 0.000 claims abstract description 8
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 8
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 claims abstract description 8
- 229940033123 tannic acid Drugs 0.000 claims abstract description 8
- 235000015523 tannic acid Nutrition 0.000 claims abstract description 8
- 229920002258 tannic acid Polymers 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 239000002073 nanorod Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000975 dye Substances 0.000 abstract description 2
- 230000001699 photocatalysis Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000011258 core-shell material Substances 0.000 description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 3
- 229940012189 methyl orange Drugs 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N SnO2 Inorganic materials O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 150000000703 Cerium Chemical class 0.000 description 1
- 229910016507 CuCo Inorganic materials 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- GOPYZMJAIPBUGX-UHFFFAOYSA-N [O-2].[O-2].[Mn+4] Chemical compound [O-2].[O-2].[Mn+4] GOPYZMJAIPBUGX-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- B01J35/23—
-
- B01J35/39—
-
- B01J35/397—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a wastewater purification material which is characterized by being prepared by the following process: (1) dissolving potassium permanganate and hydrogen peroxide in ethylene glycol, and then adding hexamethylene tetramine, wherein the molar ratio of the potassium permanganate to the hydrogen peroxide to the hexamethylene tetramine is 1: (2-3): (2-3); ultrasonic mixing, and then transferring to a high-pressure reaction kettle for solvothermal reaction to obtain alpha-MnO2(ii) a (2) Dissolving copper nitrate and cobalt nitrate in a glycerol solvent, wherein the molar ratio of the copper nitrate to the cobalt nitrate is 1: 2; subsequently adding tannic acid and the alpha-MnO prepared in the step (1)2After being mixed evenly, the mixture is transferred into a high-pressure reaction kettle and is continuously subjected to solvothermal reaction to obtain alpha-MnO2‑CuCo2O4The material can effectively degrade organic dyes in water.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to nano-rod-shaped core-shell alpha-MnO2-CuCo2O4Materials and methods for their preparation.
Background
However, with the rapid development of society, various harmful organic pollutants, especially antibiotics, organic dyes, etc., are discharged into water to cause serious water pollution, and in various sewage treatment technologies, the photocatalytic method is continuously concerned by people due to simple process, high degradation efficiency, low cost, avoidance of secondary pollution, etc. The core of the photocatalysis technology lies in the catalytic performance of the catalyst, and the research on the high-efficiency photocatalyst has important significance for improving the water environment quality.
CN112516997A discloses CeO2/MnO2The preparation method of the nano-rod comprises the steps of stirring cerium salt and inorganic base, performing hydrothermal reaction in a drying oven at 90-140 ℃ for 7-15h, taking the precipitate, washing the precipitate to be neutral, adding KMnO4Is prepared from the obtained CeO2/MnO2The nano-rod has better stability and catalytic performance, the preparation method is simple, and the nano-rod can be used in the fields of sewage treatment and the like; CN106475039A discloses sea urchin-shaped three-dimensional Fe3O4/SnO2The invention relates to a nanorod array and a synthesis method and application thereof, in particular to a method for synthesizing multifunctional urchin-shaped three-dimensional Fe integrating adsorption and photocatalysis functions for the first time by using common ferroferric oxide and stannic chloride as precursors through a simple two-step growth method304/SnO2The composite material and realizes the control of the product appearance.
Disclosure of Invention
The invention provides a wastewater purification material, which is used for preparing alpha-MnO by a solvothermal method2-CuCo2O4The photocatalyst is used in the field of wastewater treatment as a photocatalytic material, and can improve the degradation rate of organic matters in wastewater.
The wastewater treatment material is characterized by being prepared by adopting the following process:
dissolving potassium permanganate and hydrogen peroxide in ethylene glycol, and then adding hexamethylene tetramine, wherein the molar ratio of the potassium permanganate to the hydrogen peroxide to the hexamethylene tetramine is 1: (2-3): (2-3); ultrasonic mixing, and then transferring to a high-pressure reaction kettle for solvothermal reaction to obtain alpha-MnO2；
Dissolving copper nitrate and cobalt nitrate in a glycerol solvent, wherein the molar ratio of the copper nitrate to the cobalt nitrate is 1: 2; subsequently adding tannic acid and the alpha-MnO prepared in the step (1)2After being mixed evenly, the mixture is transferred into a high-pressure reaction kettle and is continuously subjected to solvothermal reaction to obtain alpha-MnO2-CuCo2O4。
Preferably, the reaction condition of solvothermal reaction is 200-220 ℃ for 10-20 h;
preferably, the ultrasonic power is 50-100 w;
preferably, tannic acid is used to advantage with CuCo2O4The formation of nano particles avoids the rapid growth of the particles, and the preferable addition amount is 1-4mL, and the concentration is 10-40 mg/mL;
the technical effects are as follows:
this application adoptsThe solvent thermal method is to add hydrogen peroxide and hexamethylenetetramine to regulate and obtain nano rod-shaped alpha-MnO in the solvent thermal process2Due to alpha-MnO in comparison with other crystal forms of manganese dioxide2The edge pore channel is easier to expose, the active site is easier to expose, and free radicals are easier to adsorb on alpha-MnO2The nano rod surface improves the catalytic efficiency of organic pollutants; nano rod-like alpha-MnO2Loading CuCo as carrier2O4The heterojunction between the two accelerates the transmission of carriers and the separation of photo-generated electron-hole pairs; in addition, the nano-rod-shaped material has high surface area, so that the contact area of the catalyst and sewage is increased, and the catalytic performance is improved.
Drawings
FIG. 1 shows a nanorod-like α -MnO of the present application2-CuCo2O4SEM image of (d).
FIG. 2 shows a nanorod-like α -MnO of the present application2XRD pattern of (a).
Detailed Description
Example 1
Dissolving 8mmol of potassium permanganate and 16mmol of hydrogen peroxide in 60ml of ethylene glycol, adding 16mmol of hexamethylenetetramine, ultrasonically mixing uniformly, transferring into a high-pressure reaction kettle, and carrying out solvothermal reaction for 10 hours at 200 ℃ to obtain nanorod alpha-MnO2；
Dissolving 1mmol of copper nitrate and 2mmol of cobalt nitrate in 50ml of glycerol solvent, followed by addition of 2ml of tannic acid at a concentration of 10mg/ml and α -MnO prepared in step (1)2Ultrasonic mixing at 50w for 1h, transferring into a high-pressure reaction kettle, and performing solvothermal reaction at 200 ℃ for 10h to obtain core-shell nano rod-shaped alpha-MnO2-CuCo2O4。
Example 2
Dissolving 8mmol of potassium permanganate and 16mmol of hydrogen peroxide in 60ml of ethylene glycol, adding 20mmol of hexamethylenetetramine, ultrasonically mixing uniformly, transferring into a high-pressure reaction kettle, and carrying out solvothermal reaction for 10 hours at 210 ℃ to obtain nanorod alpha-MnO2；
1mmol of copper nitrate and 2mmol of cobalt nitrate were dissolved in 50ml of glycerol solvent, followed by additionAdding 1ml of tannic acid with the concentration of 10mg/ml and the alpha-MnO prepared in the step (1)2Ultrasonic mixing at 50w for 1h, transferring into a high-pressure reaction kettle, and performing solvothermal reaction at 200 ℃ for 10h to obtain core-shell nano rod-shaped alpha-MnO2-CuCo2O4。
Comparative example 1
Dissolving 8mmol of potassium permanganate and 16mmol of hydrogen peroxide in 60ml of ethylene glycol, adding 20mmol of hexamethylenetetramine, ultrasonically mixing uniformly, transferring into a high-pressure reaction kettle, and carrying out solvothermal reaction for 10 hours at 210 ℃ to obtain nanorod alpha-MnO2。
Comparative example 2
Dissolving 1mmol of copper nitrate and 2mmol of cobalt nitrate in 50ml of glycerol solvent, adding 1ml of tannic acid with the concentration of 10mg/ml, ultrasonically mixing uniformly for 1h at the power of 50w, transferring the mixture into a high-pressure reaction kettle, and continuously carrying out solvothermal reaction for 10h at the temperature of 200 ℃ to obtain CuCo2O4。
Testing the photocatalytic performance:
a solution of methyl orange and phenol with a concentration of 5mg/L, 100mL, was added to the different reaction tubes, and then 0.5g of the example and the comparative catalyst were added to the photocatalytic reactor, air was blown in, the dark reaction was carried out for 30min, and the degradation rate of methyl orange and phenol was measured after 3h of photoreaction using a 350W xenon light source.
| Degradation rate of methyl orange | Phenol degradation rate | |
| Example 1 | 89.1％ | 87.9％ |
| Example 2 | 90.1％ | 91/8％ |
| Comparative example 1 | 78.1％ | 72.8％ |
| Comparative example 2 | 69.1％ | 75.2％ |
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (2)
1. The waste water purification material is characterized by being prepared by adopting the following process:
(1) dissolving potassium permanganate and hydrogen peroxide in ethylene glycol, and then adding hexamethylene tetramine, wherein the molar ratio of the potassium permanganate to the hydrogen peroxide to the hexamethylene tetramine is 1: (2-3): (2-3); ultrasonic mixing, and then transferring to a high-pressure reaction kettle for solvothermal reaction to obtain alpha-MnO2A nanorod;
(2) dissolving copper nitrate and cobalt nitrate in a glycerol solvent, wherein the molar ratio of the copper nitrate to the cobalt nitrate is 1: 2; subsequently adding tannic acid and the alpha-MnO prepared in the step (1)2After being mixed evenly, the mixture is transferred into a high-pressure reaction kettle and is continuously subjected to solvothermal reaction to obtain alpha-MnO2/CuCo2O4The concentration of the tannic acid is 1-4mL and 10-40mg/mL, and the reaction conditions of the solvothermal reaction in the step (1) and the step (2) are 200-220 ℃ for 10-20 h.
2. A wastewater purification material according to claim 1, wherein the ultrasonic power is 50-100 w.
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| CN202111071816.XA CN113634261B (en) | 2021-09-14 | 2021-09-14 | Waste water purification material |
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| CN202111071816.XA CN113634261B (en) | 2021-09-14 | 2021-09-14 | Waste water purification material |
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| "Construction of Z-scheme CuFe2O4/MnO2 photocatalyst and activating peroxymonosulfate for phenol degradation: Synergistic effect, degradation pathways, and mechanism";Xianjie Liu et al.;《Environmental Research》;20210724;第200卷;第111736（1-14）页 * |
| "The synthesis of α-MnO2 nanorods using hydrothermal homogeneous precipitation";Aye Aye Hlaing et al.;《Adv. Nat. Sci.: Nanosci. Nanotechnol.》;20120309;第3卷;第025001（1-3）页 * |
| "纳米锰氧化物的制备及其应用研究";邓惠仁;《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅰ辑》;20110615;B015-39 * |
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