CN107282074A - The diatom ooze load photocatalyst material and its preparation method of the full spectral response of solar energy - Google Patents
The diatom ooze load photocatalyst material and its preparation method of the full spectral response of solar energy Download PDFInfo
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- CN107282074A CN107282074A CN201710556080.2A CN201710556080A CN107282074A CN 107282074 A CN107282074 A CN 107282074A CN 201710556080 A CN201710556080 A CN 201710556080A CN 107282074 A CN107282074 A CN 107282074A
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- diatom ooze
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- cerium oxide
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- indium
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- 239000000463 material Substances 0.000 title claims abstract description 55
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 20
- 230000004044 response Effects 0.000 title claims abstract description 20
- 230000003595 spectral effect Effects 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 35
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910003437 indium oxide Inorganic materials 0.000 claims abstract description 26
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 230000003197 catalytic effect Effects 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 238000001228 spectrum Methods 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 36
- 238000001354 calcination Methods 0.000 claims description 18
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 14
- 150000000703 Cerium Chemical class 0.000 claims description 9
- 150000002471 indium Chemical class 0.000 claims description 9
- 150000002751 molybdenum Chemical class 0.000 claims description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 claims description 6
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 239000011591 potassium Substances 0.000 claims description 6
- 229910052738 indium Inorganic materials 0.000 claims description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 5
- 239000000809 air pollutant Substances 0.000 abstract description 4
- 231100001243 air pollutant Toxicity 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 229910052684 Cerium Inorganic materials 0.000 description 4
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XURCIPRUUASYLR-UHFFFAOYSA-N Omeprazole sulfide Chemical compound N=1C2=CC(OC)=CC=C2NC=1SCC1=NC=C(C)C(OC)=C1C XURCIPRUUASYLR-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 239000011684 sodium molybdate Substances 0.000 description 2
- 235000015393 sodium molybdate Nutrition 0.000 description 2
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- LKRFCKCBYVZXTC-UHFFFAOYSA-N dinitrooxyindiganyl nitrate Chemical class [In+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O LKRFCKCBYVZXTC-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Classifications
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
- B01J27/047—Sulfides with chromium, molybdenum, tungsten or polonium
- B01J27/051—Molybdenum
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
Photocatalyst material and preparation method thereof is loaded the invention discloses a kind of diatom ooze of the full spectral response of solar energy.The material includes diatom ooze matrix and is supported on cerium oxide, indium oxide and the molybdenum sulfide on described matrix space and surface, the content of wherein described cerium oxide is 1.0wt% 10wt%, the content of the indium oxide is 1.0wt% 10wt%, the content of the molybdenum sulfide is 1.0wt% 10wt%, and the composite has full spectrum light catalytic response to ultraviolet light, visible ray and near infrared light.The diatom ooze load photocatalyst material for the full spectral response of solar energy that the present invention is provided, available for preparing air-purifying net, adhesive force is stronger, change affected by environment is smaller, and material is big with air contact area, and permeability is strong, and the composite photo-catalyst of attachment has hypersorption to sunshine, the utilization rate of solar energy is improved, catalytic efficiency is enhanced, so as to effectively degraded air pollutants.
Description
Technical field
Photocatalyst material and preparation method thereof is loaded the present invention relates to a kind of diatom ooze of the full spectral response of solar energy, is belonged to
Environmental protection technical field.
Background technology
Photocatalyst can apply to air cleaning.Common photo-catalytic filtering screen is only loaded with a kind of photocatalyst, or is only capable of
Absorb ultraviolet light or visible ray, it is impossible to effectively utilize near infrared light；Or be only capable of absorbing part luminous energy and can not be complete
Absorb solar energy.Common photo-catalytic filtering screen adhesive force is stronger, affected by environment to change greatly, material and air contact area
Small, permeability is weaker, therefore, limited to degraded air pollutants.
The content of the invention
Photocatalyst material and its system are loaded it is an object of the invention to provide a kind of diatom ooze of the full spectral response of solar energy
Preparation Method, to overcome deficiency of the prior art.
To realize aforementioned invention purpose, the technical solution adopted by the present invention includes：
The embodiment of the present invention provides a kind of diatom ooze load photocatalyst material of full spectral response of solar energy, and it includes diatom
Mud matrix and cerium oxide, indium oxide and the molybdenum sulfide for being supported on described matrix space and surface, wherein the cerium oxide
Content is 1.0wt%-10wt%, and the content of the indium oxide is 1.0wt%-10wt%, and the content of the molybdenum sulfide is
1.0wt%-10wt%, the composite has full spectrum light catalytic response to ultraviolet light, visible ray and near infrared light.
Further, the aperture size of the diatom ooze matrix is 1mm-3mm.
The embodiment of the present invention also provides a kind of preparation side of the diatom ooze load photocatalyst material of the full spectral response of solar energy
Method, comprises the following steps：
Step one：It is alkalescence to be placed in soluble cerium salt and adjust the pH of solution porous diatom ooze, afterwards by mixed liquor
Calcination 2-10h at 180-550 DEG C is placed in, the diatom ooze material of Supporting cerium oxide is made；
Step 2：The diatom ooze material of Supporting cerium oxide prepared by step one is placed in soluble indium salts and adjusts solution
PH be alkalescence, mixed liquor is placed in calcination 2-10h at 180-550 DEG C afterwards, the diatom of Supporting cerium oxide and indium oxide is made
Mud material；
Step 3：The diatom ooze material of Supporting cerium oxide made from step 2 and indium oxide is placed in soluble molybdenum salt and sulphur
In urea, and it is alkalescence to adjust the pH of solution, and mixed liquor is placed in into calcination 2-10h at 180-550 DEG C afterwards, and load oxidation is made
The diatom ooze material of cerium, indium oxide and molybdenum sulfide.
More preferred, soluble cerium salt includes any one in cerium chloride and cerous nitrate or two kinds described in step one
Combination, but not limited to this.
Further, the solubility of soluble cerium salt is 0.01-1.0mol/L described in step one.
More preferred, soluble indium salts include indium nitrate, but not limited to this described in step 2.
Further, the concentration of soluble indium salts is 0.01-1.0mol/L described in step 2.
More preferred, soluble molybdenum salt described in step 3 includes any one or two kinds in sodium molybdate, potassium molybdate
Combination, but not limited to this.
Further, the concentration of soluble molybdenum salt described in step 3 is 0.01-1.0mol/L.
Further, the concentration of thiocarbamide described in step 3 is 0.01-1.0mol/L.
Further, concentration is used to adjust the pH of solution to alkalescence for 0.01-1.0mol/L NaOH.
Compared with prior art, advantages of the present invention includes：The diatom ooze for the full spectral response of solar energy that the present invention is provided
Photocatalyst material is loaded, available for air-purifying net is prepared, adhesive force is stronger, it is affected by environment to change smaller, material and air
Contact area is big, and permeability is strong, and the composite photo-catalyst of attachment has hypersorption to sunshine, improves the utilization of solar energy
Rate, enhances catalytic efficiency, so as to effectively degraded air pollutants.
Embodiment
In view of deficiency of the prior art, inventor is able to propose the present invention's through studying for a long period of time and largely putting into practice
Technical scheme.The technical scheme, its implementation process and principle etc. will be further explained as follows.
The embodiment of the present invention provides a kind of diatom ooze load photocatalyst material of full spectral response of solar energy, and it includes diatom
Mud matrix and cerium oxide, indium oxide and the molybdenum sulfide for being supported on described matrix space and surface, wherein the cerium oxide
Content is 1.0wt%-10wt%, and the content of the indium oxide is 1.0wt%-10wt%, and the content of the molybdenum sulfide is
1.0wt%-10wt%, the composite has full spectrum light catalytic response to ultraviolet light, visible ray and near infrared light.
Further, the aperture size of the diatom ooze matrix is 1mm-3mm.
The embodiment of the present invention also provides a kind of preparation side of the diatom ooze load photocatalyst material of the full spectral response of solar energy
Method, comprises the following steps：
Step one：It is alkalescence to be placed in soluble cerium salt and adjust the pH of solution porous diatom ooze, afterwards by mixed liquor
Calcination 2-10h at 180-550 DEG C is placed in, the diatom ooze material of Supporting cerium oxide is made；
Step 2：The diatom ooze material of Supporting cerium oxide prepared by step one is placed in soluble indium salts and adjusts solution
PH be alkalescence, mixed liquor is placed in calcination 2-10h at 180-550 DEG C afterwards, the diatom of Supporting cerium oxide and indium oxide is made
Mud material；
Step 3：The diatom ooze material of Supporting cerium oxide made from step 2 and indium oxide is placed in soluble molybdenum salt and sulphur
In urea, and it is alkalescence to adjust the pH of solution, and mixed liquor is placed in into calcination 2-10h at 180-550 DEG C afterwards, and load oxidation is made
The diatom ooze material of cerium, indium oxide and molybdenum sulfide.
More preferred, soluble cerium salt includes any one in cerium chloride and cerous nitrate or two kinds described in step one
Combination, but not limited to this.
Further, the solubility of soluble cerium salt is 0.01-1.0mol/L described in step one.
More preferred, soluble indium salts include indium nitrate, but not limited to this described in step 2.
Further, the concentration of soluble indium salts is 0.01-1.0mol/L described in step 2.
More preferred, soluble molybdenum salt described in step 3 includes any one or two kinds in sodium molybdate, potassium molybdate
Combination, but not limited to this.
Further, the concentration of soluble molybdenum salt described in step 3 is 0.01-1.0mol/L.
Further, the concentration of thiocarbamide described in step 3 is 0.01-1.0mol/L.
Further, concentration is used to adjust the pH of solution to alkalescence for 0.01-1.0mol/L NaOH.
Three steps of the preparation method of the diatom ooze load photocatalyst material for the full spectral response of solar energy that the present invention is provided
Rapid is an organic whole, be can not be split, and any one one step can not realize the function of full spectral response, and each step
Rapid sequencing is arbitrarily adjusted, and the quality of material is not influenceed；Cerium oxide in above-mentioned material absorbs the ultraviolet light in sunshine, oxygen
Change the visible ray in indium absorption sunshine, molybdenum sulfide absorbs the near infrared light in sunshine, therefore, the material is used to prepare sky
Gas purifying net spectral absorption can utilize the effective purification realized under solar energy, illumination to air entirely.
The diatom ooze load photocatalyst material for the full spectral response of solar energy that the present invention is provided can be used for preparing air cleaning
Net, the material is big with air contact area, and permeability is strong, and the composite photo-catalyst of attachment has hypersorption to sunshine, improves
The utilization rate of solar energy, enhances catalytic efficiency, so as to effectively degraded air pollutants.
Below in conjunction with some embodiments the technical solution of the present invention is further explained explanation.
Embodiment 1
Step one：The porous diatom oozes of 10g are placed in 15mL 0.01mol/L solution of cerium chloride by oxidation, using 10mL
The pH of 0.01mol/L NaOH regulation solution is alkalescence, and mixed liquor is placed in into calcination 10h at 180 DEG C afterwards, load oxidation is made
The diatom ooze material of cerium；
Step 2：The diatom ooze material of Supporting cerium oxide prepared by 10g steps one is placed in 15mL 0.01mol/L nitric acid
Use 10mL 0.01mol/L NaOH to adjust the pH of solution for alkalescence in indium, mixed liquor is placed in calcination at 180 DEG C afterwards
10h, is made the diatom ooze material of Supporting cerium oxide and indium oxide；
Step 3：The diatom ooze material of Supporting cerium oxide made from 10g step 2 and indium oxide is placed in 15mL
In 0.01mol/L potassium molybdate and 15mL 0.03mol/L thiocarbamide, solution is adjusted using 10mL 0.01mol/L NaOH
PH is alkalescence, and mixed liquor is placed in into calcination 10h at 180 DEG C afterwards, and the diatom ooze of Supporting cerium oxide, indium oxide and molybdenum sulfide is made
Material.
Embodiment 2
Step one：The porous diatom oozes of 15g are placed in 20mL 0.1mol/L solution of cerium chloride by oxidation, using 10mL 0.1mol/L
NaOH regulation solution pH for alkalescence, mixed liquor is placed in calcination 6h at 550 DEG C afterwards, be made Supporting cerium oxide diatom ooze
Material；
Step 2：The diatom ooze material of Supporting cerium oxide prepared by 15g steps one is placed in 20mL 0.1mol/L indium nitrates
The middle NaOH for using 10mL 0.1mol/L adjusts the pH of solution for alkalescence, and mixed liquor is placed in into calcination 6h at 550 DEG C afterwards, made
Obtain the diatom ooze material of Supporting cerium oxide and indium oxide；
Step 3：The diatom ooze material of Supporting cerium oxide made from 15g step 2 and indium oxide is placed in 20mL
In 0.1mol/L potassium molybdate and 20mL 0.3mol/L thiocarbamide, use 10mL 0.1mol/L NaOH adjust solution pH for
Alkalescence, is placed in calcination 6h at 550 DEG C by mixed liquor afterwards, and the diatom ooze material of Supporting cerium oxide, indium oxide and molybdenum sulfide is made.
Embodiment 3
Step one：The porous diatom oozes of 10g are placed in 15mL 0.05mol/L solution of cerium chloride by oxidation, using 10mL
The pH of 0.05mol/L NaOH regulation solution is alkalescence, and mixed liquor is placed in into calcination 8h at 300 DEG C afterwards, load oxidation is made
The diatom ooze material of cerium；
Step 2：The diatom ooze material of Supporting cerium oxide prepared by 10g steps one is placed in 15mL 0.05mol/L nitric acid
Use 10mL 0.05mol/L NaOH to adjust the pH of solution for alkalescence in indium, mixed liquor be placed in calcination 8h at 300 DEG C afterwards,
The diatom ooze material of Supporting cerium oxide and indium oxide is made；
Step 3：The diatom ooze material of Supporting cerium oxide made from 10g step 2 and indium oxide is placed in 15mL
In 0.05mol/L potassium molybdate and 15mL 0.15mol/L thiocarbamide, solution is adjusted using 10mL 0.05mol/L NaOH
PH is alkalescence, and mixed liquor is placed in into calcination 8h at 300 DEG C afterwards, and the diatom ooze of Supporting cerium oxide, indium oxide and molybdenum sulfide is made
Material.
It should be appreciated that the technical concepts and features of above-described embodiment only to illustrate the invention, its object is to allow be familiar with this
The personage of item technology can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
The equivalent change or modification made according to spirit of the invention, should all be included within the scope of the present invention.
Claims (8)
1. a kind of diatom ooze load photocatalyst material of full spectral response of solar energy, it is characterised in that including diatom ooze matrix and
Cerium oxide, indium oxide and the molybdenum sulfide on described matrix space and surface are supported on, wherein the content of the cerium oxide is
1.0wt%-10wt%, the content of the indium oxide is 1.0wt%-10wt%, and the content of the molybdenum sulfide is 1.0wt%-
10wt%, the composite has full spectrum light catalytic response to ultraviolet light, visible ray and near infrared light.
2. material according to claim 1, it is characterised in that：The aperture size of the diatom ooze matrix is 1mm-3mm.
3. the diatom ooze of the full spectral response of solar energy according to any one of claim 1-2 loads the system of photocatalyst material
Preparation Method, it is characterised in that comprise the following steps：
Step one：It is alkalescence to be placed in soluble cerium salt and adjust the pH of solution porous diatom ooze, is afterwards placed in mixed liquor
Calcination 2-10h at 180-550 DEG C, is made the diatom ooze material of Supporting cerium oxide；
Step 2：The diatom ooze material of Supporting cerium oxide prepared by step one is placed in soluble indium salts and adjusts the pH of solution
For alkalescence, mixed liquor is placed in calcination 2-10h at 180-550 DEG C afterwards, the diatom ooze material of Supporting cerium oxide and indium oxide is made
Material；
Step 3：The diatom ooze material of Supporting cerium oxide made from step 2 and indium oxide is placed in soluble molybdenum salt and thiocarbamide
In, and it is alkalescence to adjust the pH of solution, and mixed liquor is placed in into calcination 2-10h at 180-550 DEG C afterwards, obtained Supporting cerium oxide,
The diatom ooze material of indium oxide and molybdenum sulfide.
4. preparation method according to claim 3, it is characterised in that：Soluble cerium salt includes cerium chloride described in step one
With any one in cerous nitrate or two kinds of combination；And/or, the solubility of soluble cerium salt is 0.01- described in step one
1.0mol/L。
5. preparation method according to claim 3, it is characterised in that：Soluble indium salts include nitric acid described in step 2
Indium；And/or, the concentration of soluble indium salts is 0.01-1.0mol/L described in step 2.
6. preparation method according to claim 3, it is characterised in that：Soluble molybdenum salt described in step 3 includes molybdic acid
The combination of any one or two kinds in sodium, potassium molybdate；And/or, the concentration of soluble molybdenum salt described in step 3 is 0.01-
1.0mol/L。
7. preparation method according to claim 3, it is characterised in that：The concentration of thiocarbamide described in step 3 is 0.01-
1.0mol/L。
8. preparation method according to claim 3, it is characterised in that：Concentration is used to be adjusted for 0.01-1.0mol/L NaOH
The pH of solution is saved to alkalescence.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109053061A (en) * | 2018-10-18 | 2018-12-21 | 合肥欧克斯新型建材有限公司 | A kind of environmental protection diatom ooze and preparation method thereof |
| CN109401509A (en) * | 2018-11-21 | 2019-03-01 | 蚌埠创特新材料科技有限公司 | A kind of organic coating for aluminum alloy surface |
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Application publication date: 20171024 |