CN111330535A - Novel adsorption material for water treatment and preparation method thereof - Google Patents
Novel adsorption material for water treatment and preparation method thereof Download PDFInfo
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- CN111330535A CN111330535A CN202010219553.1A CN202010219553A CN111330535A CN 111330535 A CN111330535 A CN 111330535A CN 202010219553 A CN202010219553 A CN 202010219553A CN 111330535 A CN111330535 A CN 111330535A
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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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
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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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
- B01J20/28061—Surface area, e.g. B.E.T specific surface area being in the range 100-500 m2/g
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
Abstract
The invention discloses a novel adsorption material for water treatment and a preparation method thereof, and the whole preparation process takes high-purity aluminum foil (the purity is more than or equal to 99.9%) as a raw material. The formed aluminum foil formed by the electrochemical corrosion and formation process has the characteristics of high porosity, large aperture number and nano-scale average hole diameter. The material finally prepared by the invention is a porous medium with larger specific surface area, and the microporous surface of the porous medium has stronger adsorption capacity, high mechanical strength, high temperature resistance, corrosion resistance and strong hygroscopicity. The preparation method disclosed by the invention is simple and operable, reasonable in process design, easy to obtain production equipment, easy to industrially prepare, low in price, simple in device, low in operation energy consumption, high in efficiency, difficult to generate toxic or carcinogenic byproducts and the like, is a practical sewage purification material, can be widely applied to the field of water treatment, and has certain practical popularization significance.
Description
Technical Field
The invention expands the application of the formed aluminum foil product in the fields of environmental protection, novel materials and the like, and particularly relates to a novel adsorption material for water treatment and a preparation method thereof.
Background
The conventional multiple adsorbing materials are high in price, complex in device, high in device operation energy consumption, low in efficiency, easy to generate toxic or carcinogenic byproducts and have certain limitations.
The active alumina is a porous medium with large specific surface area, the micropore surface of the active alumina has adsorption capacity, has selective adsorption capacity for gas, water vapor and water of certain liquid, can be used as a catalyst carrier and a chromatographic carrier, and has the characteristics of high mechanical strength, high temperature resistance, corrosion resistance and strong hygroscopicity.
The formed aluminum foil is a product which is formed by taking a special high-purity aluminum foil (the purity is more than or equal to 99.9%) as a raw material, expanding the surface area after electrochemical corrosion and forming a layer of compact oxide film on the surface through formation. The electron microscope analysis shows that the formed aluminum foil has the characteristics of high porosity, large number of pore diameters per square centimeter and nanoscale average diameter of the pores.
Aiming at the characteristic of the formed aluminum foil, a novel adsorption material for water treatment and a preparation method thereof are designed, the adsorption performance of the novel adsorption material is further improved under the existing performance, and the problem to be solved is urgently needed.
Disclosure of Invention
The invention aims to provide a novel adsorbing material for water treatment and a preparation method thereof, which take formed aluminum foil as an important component and are practical, simple and convenient to operate and good in performance.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a novel adsorption material is used in water treatment, novel adsorption material uses high-purity aluminium foil as raw and other materials, forms the hole after electrochemical corrosion, enlarges the surface area, becomes to act on again and forms the fine and close oxide film of one deck on the surface, becomes the aluminium foil with acquireing and finally makes the novel material that is used for adsorbing water pollutant through high temperature sintering.
The technical scheme designs a novel adsorbing material for water treatment and a preparation method thereof, and takes formed aluminum foil as an important component; the formed aluminum foil produced by a plurality of working procedures has the surface aperture number of more than or equal to 20 ten thousand/cm2The porosity is more than or equal to 60 percent, the average value of the diameters of the holes with the diameter of 800Vf or more is about 1 mu m, and the average value of 200Vf is about 100 nm. The final specific surface area of the novel adsorbing material for water treatment prepared by the technical scheme can reach 360m2/g~400m2The per gram can completely meet the adsorption requirement of the activated alumina adsorption material.
Preferably, the corrosive acid solution is one or a mixture of hydrochloric acid, nitric acid, sulfuric acid and phosphoric acid, and is more favorable for forming corrosive holes compared with other corrosive solutions, so that the pore size and the pore density are improved, and the pore distribution is more concentrated.
Preferably, the formation acid solution is one or a mixture of more of ammonium adipate, boric acid and azelaic acid, so that the formation of a high-density oxide film is facilitated, the stability is improved, and the damage resistance and the repairing capacity are better.
Preferably, the novel material is a product prepared by high-temperature sintering of formed aluminum foil.
Preferably, the novel adsorbing material for water treatment and the preparation method thereof comprise the following steps:
1) firstly, placing high-purity aluminum foil into a corrosive acid solution with limited concentration at a certain temperature and under a certain current environment for electrochemical corrosion, and drying for later use;
2) secondly, placing the corrosion foil obtained in the step 1) into a formation acid solution with a certain concentration under a certain temperature and voltage environment for formation treatment and drying for later use;
3) sintering the formed aluminum foil obtained in the step 2) under specific conditions, cooling, taking out and storing to obtain the novel adsorbing material.
Preferably, the corrosive acid solution is one or a mixture of hydrochloric acid, nitric acid, sulfuric acid and phosphoric acid, the solubility is 5-30%, the reaction temperature is 45-80 ℃, and the current is 0.5A/cm2~10A/cm2。
The solubility is 15-25%, the reaction temperature is 65-75 ℃, the current is 5A/cm 2-8A/cm 2, the pore size and the pore density are effectively improved, the surface pore size is more than or equal to 20 ten thousand/cm 2, the porosity is more than or equal to 60%, and the average diameter of the pores reaches 100 nm.
Preferably, the formed acid solution is one or a mixture of more of ammonium adipate, boric acid and azelaic acid, the solubility is 4-10%, the reaction temperature is 85-100 ℃, and the voltage is 400-800V.
Wherein the solubility is 5-9%, the reaction temperature is 90-95 ℃, the current is 480-620V, the crystallinity of alumina in the oxidation film is high, and the stability and the restoring force are better.
Optimally, the sintering temperature is set to be 400-1300 ℃, hot pressing is carried out for 20-50mpa, sintering is completed in a reduction environment, and the sintering time is 2.5-4 h.
The sintering temperature is 800-1000 ℃, the hot pressing is 30-40mpa, the time is 3-3.5 h, the obtained material is low in pressure, small in deformation resistance and excellent in comprehensive performance, the specific surface area is more than or equal to 360m2/g, and the static adsorption capacity is more than or equal to 5 mg/g.
Compared with the prior art, the invention has the beneficial effects that:
1. the whole preparation process of the invention takes the high-purity aluminum foil as a raw material, is convenient to obtain, is non-toxic and harmless, and has low production cost.
2. The formed aluminum foil formed after the electrochemical corrosion and formation process has the characteristics of high porosity, large number of pore diameters per square centimeter and nanoscale average diameter, and is an optimal raw material for preparing the novel adsorption material.
3. The finally prepared material is a porous medium with a large specific surface area, the surface of the micropore has strong adsorption capacity, and meanwhile, the material has the characteristics of high mechanical strength, high temperature resistance, corrosion resistance and strong hygroscopicity, and is an adsorption material with huge potential;
4. the preparation method is simple and operable, reasonable in process design, easy in obtaining of production equipment and easy in industrial preparation.
5. The effect of removing phosphate in the acidic wastewater by using the novel adsorbing material prepared by the invention is higher than that of activated carbon, and the maximum adsorption capacity of the novel adsorbing material is 1.5-4 times that of the activated carbon. Compared with other adsorbing materials, the material has the advantages of low price, simple device, low operation energy consumption, high efficiency, difficult generation of toxic or carcinogenic by-products and the like, thereby being a practical sewage purifying material, being widely applied to the field of water treatment and having certain practical popularization significance.
6. Meanwhile, after the novel material prepared by the invention reaches the adsorption saturation, the adsorption capacity can be recovered by a desorption method under the condition of not changing the structure or slightly changing the structure, the generation of waste is reduced, the treatment cost is reduced, the requirement of clean production is met, and the sustainable cyclic utilization is realized.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described and illustrated below, but the scope of the present invention is not limited thereto.
Example 1
Firstly, placing high-purity aluminum foil into a corrosive acid solution with limited concentration for electrochemical corrosion at a certain temperature and under a certain current environment, and drying for later use. And then, placing the obtained corrosion foil into a formation acid solution with a certain concentration at a certain temperature and under a certain voltage environment for formation treatment, and drying for later use. And finally, sintering the formed aluminum foil under specific conditions, cooling, taking out and storing to obtain the novel adsorbing material.
In this embodiment, the corrosive acid solution is one or more of hydrochloric acid, nitric acid, sulfuric acid, and phosphoric acid, and has a solubility5%, the reaction temperature is 45 ℃, and the current is 0.5A/cm2. The resultant acid solution is one or more of ammonium adipate, boric acid and azelaic acid, the solubility is 4%, the reaction temperature is 85 ℃, and the voltage is 400V. The sintering temperature is set to be 400 ℃, hot pressing is carried out for 20mpa, sintering is completed under a reduction protection environment, and the sintering time is 2.5 hours.
The adsorption material prepared in the embodiment is placed in acidic production wastewater for adsorption test, and the test proves that the adsorption material is not easy to adsorb phosphate in acidic water environment, and the static adsorption capacity is only 0.7 mg/g.
Example 2
Firstly, placing high-purity aluminum foil into a corrosive acid solution with limited concentration for electrochemical corrosion at a certain temperature and under a certain current environment, and drying for later use. And then, placing the obtained corrosion foil into a formation acid solution with a certain concentration at a certain temperature and under a certain voltage environment for formation treatment, and drying for later use. And finally, sintering the formed aluminum foil under specific conditions, cooling, taking out and storing to obtain the novel adsorbing material.
In this embodiment, the corrosive acid solution is one or more of hydrochloric acid, nitric acid, sulfuric acid, and phosphoric acid, the solubility is 15%, the reaction temperature is 65 ℃, and the current is 5A/cm2. The resultant acid solution is one or more of ammonium adipate, boric acid and azelaic acid, the solubility is 5%, the reaction temperature is 90 ℃, and the voltage is 480V. The sintering temperature is set to 800 ℃, hot pressing is carried out for 30mpa, sintering is completed in a reduction environment, and the sintering time is 3 hours.
The adsorption material prepared in the embodiment is placed in acidic production wastewater for adsorption test, and the test proves that the adsorption material is easy to adsorb phosphate in an acidic water environment, and the static adsorption capacity reaches 5.5 mg/g.
Example 3
Firstly, placing high-purity aluminum foil into a corrosive acid solution with limited concentration for electrochemical corrosion at a certain temperature and under a certain current environment, and drying for later use. And then, placing the obtained corrosion foil into a formation acid solution with a certain concentration at a certain temperature and under a certain voltage environment for formation treatment, and drying for later use. And finally, sintering the formed aluminum foil under specific conditions, cooling, taking out and storing to obtain the novel adsorbing material.
In this embodiment, the corrosive acid solution is one or more of hydrochloric acid, nitric acid, sulfuric acid, and phosphoric acid, the solubility is 25%, the reaction temperature is 75 ℃, and the current is 8A/cm2. The resultant acid solution is one or more of ammonium adipate, boric acid and azelaic acid, the solubility is 9%, the reaction temperature is 95 ℃, and the voltage is 620V. The sintering temperature is set to 1000 ℃, hot pressing is carried out for 40mpa, sintering is completed under a reduction protection environment, and the sintering time is 3.5 hours.
The adsorption material prepared in the embodiment is placed in acidic production wastewater for adsorption test, and the test proves that the adsorption material is easy to adsorb phosphate in an acidic water environment, and the static adsorption capacity reaches 5.8 mg/g.
Example 4
Firstly, placing high-purity aluminum foil into a corrosive acid solution with limited concentration for electrochemical corrosion at a certain temperature and under a certain current environment, and drying for later use. And then, placing the obtained corrosion foil into a formation acid solution with a certain concentration at a certain temperature and under a certain voltage environment for formation treatment, and drying for later use. And finally, sintering the formed aluminum foil under specific conditions, cooling, taking out and storing to obtain the novel adsorbing material.
In this embodiment, the corrosive acid solution is one or more of hydrochloric acid, nitric acid, sulfuric acid, and phosphoric acid, the solubility of the corrosive acid solution is 30%, the reaction temperature is 80 ℃, and the current is 10A/cm2. The formation acid solution is one or a mixture of more of ammonium adipate, boric acid and azelaic acid, the solubility is 10%, the reaction temperature is 100 ℃, and the voltage is 800V. The sintering temperature is set to 1300 ℃, hot pressing is carried out at 50mpa, sintering is completed in a reduction environment, and the sintering time is 4 hours.
The adsorption material prepared in the embodiment is placed in acidic production wastewater for adsorption test, and the test proves that the adsorption material is easier to adsorb phosphate in acidic water environment, and the static adsorption capacity is 2.6 mg/g.
The whole preparation process of the invention takes the high-purity aluminum foil as a raw material, is convenient to obtain, is non-toxic and harmless, and has low production cost. The formed aluminum foil formed after the electrochemical corrosion and formation process has the characteristics of high porosity, large number of pore diameters per square centimeter and nanoscale average diameter, and is an optimal raw material for preparing the novel adsorption material. The material finally prepared by the invention is a porous medium with larger specific surface area, the surface of the micropore has stronger adsorption capacity, and meanwhile, the material has the characteristics of high mechanical strength, high temperature resistance, corrosion resistance and strong hygroscopicity, and is an adsorption material with huge potential. The preparation method is simple and operable, reasonable in process design, easy in obtaining of production equipment and easy in industrial preparation. The effect of removing phosphate in the acidic wastewater by using the novel adsorbing material prepared by the invention is higher than that of activated carbon, and the maximum adsorption capacity of the novel adsorbing material is 1.5-4 times that of the activated carbon. Compared with other adsorbing materials, the material has the advantages of low price, simple device, low operation energy consumption, high efficiency, difficult generation of toxic or carcinogenic by-products and the like, thereby being a practical sewage purifying material, being widely applied to the field of water treatment and having certain practical popularization significance. Meanwhile, after the novel material prepared by the invention reaches the adsorption saturation, the adsorption capacity can be recovered by a desorption method under the condition of not changing the structure or slightly changing the structure, the generation of waste is reduced, the treatment cost is reduced, the requirement of clean production is met, and the sustainable cyclic utilization is realized.
The applicant further states that the present invention is described in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the implementation of alternative equivalent substitutions and additions of steps, the selection of specific modes, etc., are within the scope and disclosure of the present invention.
The present invention is not limited to the above embodiments, and all the ways of achieving the objects of the present invention by using the structure and the method similar to the present invention are within the protection scope of the present invention.
Claims (9)
1. A novel adsorption material for water treatment is characterized in that: the novel adsorption material takes high-purity aluminum foil (the purity is more than or equal to 99.9%) as a raw material, holes are formed after electrochemical corrosion, the surface area is enlarged, a layer of compact oxidation film is formed on the surface of the novel adsorption material through formation, and the formed aluminum foil is sintered at high temperature to finally prepare the novel material for adsorbing water pollutants.
2. A novel adsorbent material for water treatment according to claim 1, characterized in that: the aperture number of the surface of the novel adsorption material is more than or equal to 20 ten thousand per cm2。
3. A novel adsorbent material for water treatment according to claim 1, characterized in that: the porosity of the surface of the novel adsorbing material is more than or equal to 60 percent.
4. A novel adsorbent material for water treatment according to claim 1, characterized in that: the average value of the diameters of the holes of the novel adsorbing material 800Vf and above is about 1 μm, and the average value of 200Vf is about 100 nm.
5. A novel adsorbent material for water treatment according to claim 1, characterized in that: the specific surface area of the novel adsorbing material is 360m2/g~400m2/g。
6. A novel adsorption material for water treatment and a preparation method thereof are characterized in that: the method comprises the following steps:
1) firstly, placing high-purity aluminum foil into a corrosive acid solution with a limited concentration for electrochemical corrosion, and drying for later use;
2) secondly, placing the etched foil obtained in the step 1) in a formation acid solution for formation treatment and drying for later use;
3) sintering the formed aluminum foil obtained in the step 2), cooling, taking out and storing to obtain the novel adsorbing material.
7. The novel adsorbing material for water treatment as claimed in claim 6, wherein: the corrosive acid solution is one or a mixture of hydrochloric acid, nitric acid, sulfuric acid and phosphoric acid, the solubility is 5-30%, the reaction temperature is 45-80 ℃, and the current is 0.5A/cm2~10A/cm2。
8. The novel adsorbing material for water treatment as claimed in claim 6, wherein: the formed acid solution is one or a mixture of more of ammonium adipate, boric acid and azelaic acid, the solubility is 4-10%, the reaction temperature is 85-100 ℃, and the voltage is 400-800V.
9. The novel adsorbing material for water treatment as claimed in claim 6, wherein: the sintering temperature is set to be 400-1300 ℃, hot pressing is carried out for 20-50mpa, sintering is completed in a reduction environment, and the sintering time is 2.5-4 h.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1585059A (en) * | 2004-06-16 | 2005-02-23 | 北京科技大学 | Method for chemically producing anode Al foils of Al electrolytic capacitors with high specific capacity |
| CN101034625A (en) * | 2007-04-19 | 2007-09-12 | 朱健雄 | Making method for a class of high-voltage large ripple resistance aluminum electrolysis capacitance cathode foil |
| CN101034626A (en) * | 2007-04-19 | 2007-09-12 | 朱健雄 | Making method for the energy-storage aluminum electrolysis capacitance cathode foil |
| CN105200509A (en) * | 2015-09-01 | 2015-12-30 | 广西贺州市桂东电子科技有限责任公司 | Cleaning method of electronic energy storage materials |
| CN105702465A (en) * | 2016-01-18 | 2016-06-22 | 南通海星电子股份有限公司 | Method for manufacturing electrode foil of UPS |
| CN107287639A (en) * | 2017-07-11 | 2017-10-24 | 新疆金泰新材料技术有限公司 | A kind of Fabrication of High Specific Capacitance, high warpage, the chemical synthesizing method of Low dark curient electrode foil |
| CN108172402A (en) * | 2017-12-07 | 2018-06-15 | 四川中雅科技有限公司 | The preparation method of aluminium electrolutic capacitor high voltage anodization film |
| CN108183034A (en) * | 2017-12-07 | 2018-06-19 | 四川中雅科技有限公司 | The preparation method of aluminium electrolutic capacitor high voltage anodization film |
| CN108221024A (en) * | 2017-12-07 | 2018-06-29 | 四川中雅科技有限公司 | The preparation method of aluminium electrolutic capacitor high voltage anodization film |
-
2020
- 2020-03-25 CN CN202010219553.1A patent/CN111330535A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1585059A (en) * | 2004-06-16 | 2005-02-23 | 北京科技大学 | Method for chemically producing anode Al foils of Al electrolytic capacitors with high specific capacity |
| CN101034625A (en) * | 2007-04-19 | 2007-09-12 | 朱健雄 | Making method for a class of high-voltage large ripple resistance aluminum electrolysis capacitance cathode foil |
| CN101034626A (en) * | 2007-04-19 | 2007-09-12 | 朱健雄 | Making method for the energy-storage aluminum electrolysis capacitance cathode foil |
| CN105200509A (en) * | 2015-09-01 | 2015-12-30 | 广西贺州市桂东电子科技有限责任公司 | Cleaning method of electronic energy storage materials |
| CN105702465A (en) * | 2016-01-18 | 2016-06-22 | 南通海星电子股份有限公司 | Method for manufacturing electrode foil of UPS |
| CN107287639A (en) * | 2017-07-11 | 2017-10-24 | 新疆金泰新材料技术有限公司 | A kind of Fabrication of High Specific Capacitance, high warpage, the chemical synthesizing method of Low dark curient electrode foil |
| CN108172402A (en) * | 2017-12-07 | 2018-06-15 | 四川中雅科技有限公司 | The preparation method of aluminium electrolutic capacitor high voltage anodization film |
| CN108183034A (en) * | 2017-12-07 | 2018-06-19 | 四川中雅科技有限公司 | The preparation method of aluminium electrolutic capacitor high voltage anodization film |
| CN108221024A (en) * | 2017-12-07 | 2018-06-29 | 四川中雅科技有限公司 | The preparation method of aluminium electrolutic capacitor high voltage anodization film |
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