CN112675887A - Near-normal-temperature thermosensitive catalyst and preparation method thereof - Google Patents
Near-normal-temperature thermosensitive catalyst and preparation method thereof Download PDFInfo
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- 239000003054 catalyst Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 28
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910000161 silver phosphate Inorganic materials 0.000 claims abstract description 15
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 14
- 229910052960 marcasite Inorganic materials 0.000 claims abstract description 13
- 229910052683 pyrite Inorganic materials 0.000 claims abstract description 13
- 229960002089 ferrous chloride Drugs 0.000 claims abstract description 10
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims abstract description 10
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims abstract description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 8
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 3
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 3
- 239000012498 ultrapure water Substances 0.000 claims description 3
- 239000012295 chemical reaction liquid Substances 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 abstract description 35
- 238000006731 degradation reaction Methods 0.000 abstract description 35
- 239000002351 wastewater Substances 0.000 abstract description 12
- 229960000907 methylthioninium chloride Drugs 0.000 abstract description 5
- 230000000593 degrading effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 28
- 238000002474 experimental method Methods 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 238000002835 absorbance Methods 0.000 description 4
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- MCPLVIGCWWTHFH-UHFFFAOYSA-L methyl blue Chemical compound [Na+].[Na+].C1=CC(S(=O)(=O)[O-])=CC=C1NC1=CC=C(C(=C2C=CC(C=C2)=[NH+]C=2C=CC(=CC=2)S([O-])(=O)=O)C=2C=CC(NC=3C=CC(=CC=3)S([O-])(=O)=O)=CC=2)C=C1 MCPLVIGCWWTHFH-UHFFFAOYSA-L 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
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Abstract
The invention discloses a near normal temperature heat-sensitive catalyst and a preparation method thereof, wherein the raw materials of the catalyst comprise bismuth nitrate, silver nitrate, ferrous chloride and elemental sulfur, and the preparation method comprises the following steps: preparing a carrier BiOCl; preparation of the Carrier BiOCl/Ag3PO4(ii) a Preparation of BiOCl/Ag3PO4/FeS2(ii) a The thermosensitive catalyst prepared by the invention has the advantages of low price, simple operation and excellent degradation effect of efficiently degrading organic wastewater, and the removal rate of the catalyst to methylene blue reaches 99.2%.
Description
Technical Field
The invention relates to the technical field of metal salt and a compound thereof and organic wastewater degradation, in particular to a near-normal-temperature thermosensitive catalyst and a preparation method thereof.
Background
The dye is produced into tens of thousands of tons every year in China, and is divided into 11 types, namely sulfuration, acidity, alkalinity, reduction, activity, dispersion, direct, neutral, ice dyeing, cation and the like. In addition, ten thousand tons of organic pigments, assistants and intermediates are produced, the variety reaches more than 550, and the waste water amount is 1.57 multiplied by 108m3A, the wastewater treatment rate is only about 22.5%.
Most of organic components in the dye wastewater take aromatic hydrocarbon and heterocyclic compounds as matrixes, and the organic components have color development and polar groups. The waste water also contains more raw materials and byproducts, such as aniline, phenols, inorganic salts and the like. The dye wastewater has the characteristics of large water quality and water quantity change range, complex components, high concentration, deep color and the like, so that the dye wastewater treatment difficulty is increased. In general, organic wastewater treatment is mainly difficult as follows: high COD and difficult degradation; the COD of the wastewater is high, the BOD/COD is low, generally between 0.2 and 0.4, and the wastewater can be subjected to biochemical treatment and is not easy to be subjected to biochemical treatment.
Methods commonly used for treating organic wastewater are: the methods of photodegradation, physical degradation, electrochemical degradation and biodegradation still have the defects of low degradation rate, complex operation, high price and the like. The thermosensitive catalyst prepared by the method is efficient and low in price, so that pollution caused by dye wastewater is reduced, environmental pollution is reduced, and environmental contradiction is relieved.
Disclosure of Invention
The invention aims to provide a near-normal-temperature thermosensitive catalyst and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the near normal temperature heat sensitive catalyst has material including bismuth nitrate, silver nitrate, ferrous chloride and simple substance sulfur.
Preferably, the preparation method comprises the following steps:
step one, preparing a carrier BiOCl:
dissolving 1-1.2 mol of bismuth nitrate in deionized water, stirring continuously, adding 2-2.4 mol of sodium sulfide, mixing uniformly, adjusting the pH value of the solution to 7.0-7.5, stirring and ultrasonically treating, keeping the temperature at 80 ℃, heating and refluxing, washing after the solution is cooled, and drying for 2 times;
step two, preparing a carrier BiOCl/Ag3PO4：
Adding 1-1.2 mol of silver nitrate into the solution obtained in the step one, stirring continuously to dissolve the silver nitrate, and then dropwise adding 1-1.3 mol of disodium hydrogen phosphate solution to obtain a precipitate; keeping the precipitate at a certain temperature for several hours, cooling, and cleaning with ultrapure water and ethanol for 3 times respectively;
step three, preparing BiOCl/Ag3PO4/FeS2：
Adding 5.6-6.1 mol of ferrous chloride and 2.2-2.5 mol of elemental sulfur into the solution obtained in the step two in sequence, and adjusting the reaction by using ammonia waterThe pH value of the reaction solution is 7.0-7.2, carrying out hydrothermal reaction, cooling, washing with deionized water and ethanol for 3 times respectively, and drying to obtain BiOCl/Ag3PO4/FeS2And (3) powder.
Preferably, in the step one, 0.1mol/L hydrochloric acid is used for adjusting the pH value of the solution to 7.0-7.5.
Preferably, stirring and ultrasonic treatment are carried out for 3-4 h in the first step, then the temperature is kept at 80-90 ℃, and heating reflux is carried out for 10-12 h.
Preferably, the precipitate is kept at 120-140 ℃ for 3-4 h in the second step.
Preferably, in the third step, 0.1mol/L ammonia water is adopted to adjust the pH value of the reaction solution to 7.0-7.2.
Preferably, the hydrothermal reaction in the third step is a hydrothermal reaction at 130-145 ℃ for 12-15 h.
Preferably, the drying treatment in the third step is as follows: drying for 10-12 h at 50-60 ℃.
Compared with the prior art, the invention has the beneficial effects that: the thermosensitive catalyst prepared by the invention has the advantages of low price, simple operation and excellent degradation effect of efficiently degrading organic wastewater, and the removal rate of the catalyst to methylene blue reaches 99.2%.
Drawings
FIG. 1 is a synthetic route diagram according to the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a graph of degradation curves for an embodiment of the present invention;
FIG. 4 is a graph of degradation curves for an embodiment of the present invention;
FIG. 5 is a graph of degradation curves for an embodiment of the present invention;
FIG. 6 is a graph of degradation curves for an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: the near normal temperature heat sensitive catalyst has material including bismuth nitrate, silver nitrate, ferrous chloride and simple substance sulfur.
The preparation method comprises the following steps:
step one, preparing a carrier BiOCl:
dissolving 1-1.2 mol of bismuth nitrate in deionized water, stirring continuously, adding 2-2.4 mol of sodium sulfide, mixing uniformly, adjusting the pH value of the solution to 7.0-7.5, stirring and ultrasonically treating, keeping the temperature at 80 ℃, heating and refluxing, washing after the solution is cooled, and drying for 2 times;
step two, preparing a carrier BiOCl/Ag3PO4：
Adding 1-1.2 mol of silver nitrate into the solution obtained in the step one, stirring continuously to dissolve the silver nitrate, and then dropwise adding 1-1.3 mol of disodium hydrogen phosphate solution to obtain a precipitate; keeping the precipitate at a certain temperature for several hours, cooling, and cleaning with ultrapure water and ethanol for 3 times respectively;
step three, preparing BiOCl/Ag3PO4/FeS2：
Sequentially adding 5.6-6.1 mol of ferrous chloride and 2.2-2.5 mol of elemental sulfur into the solution obtained in the step two, adjusting the pH value of the reaction solution to 7.0-7.2 by using ammonia water, carrying out hydrothermal reaction, respectively cleaning 3 times by using deionized water and ethanol after cooling, and then drying to obtain BiOCl/Ag3PO4/FeS2And (3) powder.
Example 1:
weighing 1mol of initial reactant bismuth nitrate in deionized water according to the formula in sequence, stirring continuously, adding 5 drops of 0.1mol/L hydrochloric acid to adjust the pH value of the mixed solution to 7.0, stirring and carrying out ultrasonic treatment for 4 hours, and heating and refluxing for 12 hours. Then adding 1mol of silver nitrate into the solution, stirring the solution continuously to dissolve the silver nitrate, and then adding 1mol of disodium hydrogen phosphate solution dropwise to obtain BiOCl/Ag3PO4Transferring the precipitate to polytetrafluoroThe hydrothermal reaction kettle for ethylene is kept at 140 ℃ for several hours. Thirdly, sequentially adding 1.1mol of ferrous chloride and 1.1mol of elemental sulfur into the solution, then adding 3 drops of 0.1mol/L ammonia water to adjust the pH value of the solution to 7.0, carrying out hydrothermal reaction for 12 hours at 130 ℃, respectively cleaning 3 times by using deionized water and ethanol after cooling, and then drying for 10 hours at 60 ℃ to obtain BiOCl/Ag3PO4/FeS2And (3) powder.
Example 2
Weighing 1.1mol of initial reactant bismuth nitrate in deionized water according to the formula in sequence, stirring continuously, adding 4 drops of 0.1mol/L hydrochloric acid to adjust the pH value of the mixed solution to 7.2, stirring and carrying out ultrasonic treatment for 3h, and heating and refluxing for 12 h. Then adding 1.1mol of silver nitrate into the solution, stirring the solution continuously to dissolve the silver nitrate, and then adding 1.1mol of disodium hydrogen phosphate solution dropwise to obtain BiOCl/Ag3PO4The precipitate was transferred to a hydrothermal polytetrafluoroethylene reactor and held at 140 ℃ for several hours. Thirdly, sequentially adding 1.1mol of ferrous chloride and 1.1mol of elemental sulfur into the solution, then adding 3 drops of 0.1mol/L ammonia water to adjust the pH value of the solution to 7.2, carrying out hydrothermal reaction for 12 hours at 120 ℃, respectively cleaning 3 times by using deionized water and ethanol after cooling, and then drying for 10 hours at 60 ℃ to obtain BiOCl/Ag3PO4/FeS2And (3) powder.
Example 3
Under the shading condition, the reaction temperature is controlled to be 30 ℃, and BiOCl/Ag prepared in the example 1 is taken3PO4/FeS210mg of methylene blue solution with the degradation concentration of 30mg/L is subjected to adsorption experiment while the rotating speed is kept at 10 r/min, degradation experiment is carried out after the absorbance is unchanged, degradation is carried out for 12min under the conditions, the degradation rate reaches 95.2%, and the degradation curve is shown in figure 3.
Example 4
Under the shading condition, the reaction temperature is controlled to be 35 ℃, and BiOCl/Ag prepared in the example 1 is taken3PO4/FeS2Performing adsorption experiment on 8mg of methylene blue solution with degradation concentration of 35mg/L at rotation speed of 10 rpm, performing degradation experiment after absorbance is unchanged, degrading for 12min under the above conditions, and reducingThe degradation rate reaches 99.0 percent, and the degradation curve is shown in figure 4.
Example 5
The BiOCl/Ag obtained in example 2 was collected by controlling the reaction temperature at 30 ℃ under a light-shielding condition3PO4/FeS2And (3) performing an adsorption experiment on 10mg of a methyl orange solution with a degradation concentration of 30mg/L in the powder at a rotation speed of 10 rpm, performing a degradation experiment after the absorbance is unchanged, degrading for 12min under the conditions, wherein the degradation rate reaches 98.6%, and the degradation curve is shown in figure 5.
Example 6
Under the shading condition, the reaction temperature is controlled to be 30 ℃, and the BiOCl/Ag prepared in the example 2 is taken3PO4/FeS210mg of powder of methyl blue and methyl orange solution with degradation concentration of 40mg/L is subjected to adsorption experiment while maintaining the rotating speed of 10 r/min, degradation experiment is carried out after the absorbance is unchanged, degradation is carried out for 12min under the conditions, the degradation rate reaches 99.6%, and the degradation curve is shown in figure 6.
Example 7
The catalyst of example 1 was reused 3 times for a recycling experiment. The procedure of example 1 was followed, and the degraded catalyst was collected by filtration, washed with ethanol and acetone 3 times in sequence, and dried at 40 ℃. And then repeating the step 2 times again under the same condition, wherein the degradation rate reaches 95.5% after the degradation is finished, which shows that the thermal sensitive catalyst prepared by the method has good stability and is beneficial to recycling.
Example 8
The catalyst of example 2 was reused 3 times for a recycle experiment. The procedure of example 1 was followed, and the degraded catalyst was collected by filtration, washed with ethanol and acetone 3 times in sequence, and dried at 40 ℃. And then repeating the step 2 times again under the same condition, wherein the degradation rate reaches 93.2% after the degradation is finished, which shows that the thermal sensitive catalyst prepared by the method has good stability and is beneficial to recycling.
In conclusion, the thermosensitive catalyst prepared by the invention has excellent degradation effect of cheap, simple and operable and high-efficiency degradation of organic wastewater, and the removal rate of methylene blue of the catalyst reaches 99.2%.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A near-normal-temperature thermosensitive catalyst is characterized in that: the raw materials of the catalyst comprise bismuth nitrate, silver nitrate, ferrous chloride and elemental sulfur.
2. The preparation method for realizing the near-normal-temperature thermosensitive catalyst of claim 1 is characterized by comprising the following steps of: the preparation method comprises the following steps:
step one, preparing a carrier BiOCl:
dissolving 1-1.2 mol of bismuth nitrate in deionized water, stirring continuously, adding 2-2.4 mol of sodium sulfide, mixing uniformly, adjusting the pH value of the solution to 7.0-7.5, stirring and ultrasonically treating, keeping the temperature at 80 ℃, heating and refluxing, washing after the solution is cooled, and drying for 2 times;
step two, preparing a carrier BiOCl/Ag3PO4：
Adding 1-1.2 mol of silver nitrate into the solution obtained in the step one, stirring continuously to dissolve the silver nitrate, and then dropwise adding 1-1.3 mol of disodium hydrogen phosphate solution to obtain a precipitate; keeping the precipitate at a certain temperature for several hours, cooling, and cleaning with ultrapure water and ethanol for 3 times respectively;
step three, preparing BiOCl/Ag3PO4/FeS2：
Adding 5.6-6.1 mol of ferrous chloride and 2.2-2.5 m of ferrous chloride into the solution obtained in the second step in sequenceAdjusting the pH value of the reaction solution to 7.0-7.2 by using ammonia water, carrying out hydrothermal reaction, cooling, washing 3 times by using deionized water and ethanol respectively, and drying to obtain BiOCl/Ag3PO4/FeS2And (3) powder.
3. The method for preparing a near-normal-temperature thermosensitive catalyst according to claim 2, wherein the method comprises the following steps: in the first step, 0.1mol/L hydrochloric acid is used for adjusting the pH value of the solution to 7.0-7.5.
4. The method for preparing a near-normal-temperature thermosensitive catalyst according to claim 2, wherein the method comprises the following steps: stirring and ultrasonic treatment are carried out for 3-4 h in the first step, then the temperature is kept at 80-90 ℃, and heating reflux is carried out for 10-12 h.
5. The method for preparing a near-normal-temperature thermosensitive catalyst according to claim 2, wherein the method comprises the following steps: and in the second step, keeping the precipitate at 120-140 ℃ for 3-4 h.
6. The method for preparing a near-normal-temperature thermosensitive catalyst according to claim 2, wherein the method comprises the following steps: and in the third step, 0.1mol/L ammonia water is adopted to adjust the pH value of the reaction liquid to 7.0-7.2.
7. The method for preparing a near-normal-temperature thermosensitive catalyst according to claim 2, wherein the method comprises the following steps: the hydrothermal reaction in the third step is a hydrothermal reaction at 130-145 ℃ for 12-15 h.
8. The method for preparing a near-normal-temperature thermosensitive catalyst according to claim 2, wherein the method comprises the following steps: the drying treatment in the third step comprises the following steps: drying for 10-12 h at 50-60 ℃.
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| CN113751036A (en) * | 2021-09-27 | 2021-12-07 | 青海师范大学 | M-type heterojunction semiconductor and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633243A (en) * | 2012-04-26 | 2012-08-15 | 张健 | Barium iron phosphate product and preparation method and application of barium iron phosphate product |
| CN105381808A (en) * | 2015-10-20 | 2016-03-09 | 西南科技大学 | Mo/S/BiOCl composite near normal temperature degradation catalyst and preparation method therefor and application method thereof |
| CN110075896A (en) * | 2019-04-09 | 2019-08-02 | 重庆大学 | FeS2/g-C3N4The preparation method and applications of heterojunction material |
| CN111111734A (en) * | 2019-12-30 | 2020-05-08 | 江南大学 | Preparation and application of ferrous disulfide/carbon nitride composite photocatalyst |
-
2020
- 2020-12-23 CN CN202011544532.3A patent/CN112675887A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633243A (en) * | 2012-04-26 | 2012-08-15 | 张健 | Barium iron phosphate product and preparation method and application of barium iron phosphate product |
| CN105381808A (en) * | 2015-10-20 | 2016-03-09 | 西南科技大学 | Mo/S/BiOCl composite near normal temperature degradation catalyst and preparation method therefor and application method thereof |
| CN110075896A (en) * | 2019-04-09 | 2019-08-02 | 重庆大学 | FeS2/g-C3N4The preparation method and applications of heterojunction material |
| CN111111734A (en) * | 2019-12-30 | 2020-05-08 | 江南大学 | Preparation and application of ferrous disulfide/carbon nitride composite photocatalyst |
Non-Patent Citations (3)
| Title |
|---|
| BAOCHENG CAO ET.AL: ""BiOCl/Ag3PO4 Composites with Highly Enhanced Ultraviolet and Visible Light Photocatalytic Performances"", 《J. AM. CERAM. SOC.》 * |
| 孟伟康等: "Fe/γ-Al_2O_3湿式催化氧化降解甲基橙的研究", 《辽宁化工》 * |
| 徐良龙: ""黄铁矿负载铋系化合物光催化降解气态苯"", 《万方数据知识服务平台》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751036A (en) * | 2021-09-27 | 2021-12-07 | 青海师范大学 | M-type heterojunction semiconductor and preparation method and application thereof |
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