CN111362294A - Method for treating terbium target material waste, terbium oxide and preparation method thereof - Google Patents
Method for treating terbium target material waste, terbium oxide and preparation method thereof Download PDFInfo
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- CN111362294A CN111362294A CN202010288832.3A CN202010288832A CN111362294A CN 111362294 A CN111362294 A CN 111362294A CN 202010288832 A CN202010288832 A CN 202010288832A CN 111362294 A CN111362294 A CN 111362294A
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- terbium
- target material
- material waste
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- terbium target
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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Abstract
The invention relates to a method for treating terbium target material waste, namely the terbium target material waste is used for preparing a terbium oxide product, and a new idea for treating the terbium target material waste is created; the preparation method of the terbium oxide is provided, and has short treatment process flow; acid and alkali are not consumed; the recovery rate is high and reaches more than 95 percent; the energy consumption for producing products with unit weight is low, and the comprehensive cost is low; can be directly prepared into terbium oxide products, and has the advantages of high utilization value of waste materials and the like.
Description
Technical Field
The invention relates to the technical field of terbium materials, in particular to a method for treating terbium target material waste and a preparation method of terbium oxide.
Background
With the development of science and technology, materials applied to high technology fields have been developed from blocks to films, and the coating technology is more and more paid attention by technical developers in related fields. The coating technology comprises laser pulse deposition, molecular beam deposition, electron gun evaporation, magnetron sputtering and the like. The core of the magnetron sputtering is a target material, and the high-purity terbium target material is mainly used for coating a high-performance rare earth permanent magnetic material and a magnetic storage material. The actual utilization rate of the magnetron sputtering target material is 30-50%, and the rest more than 50% of the material becomes small-particle waste. How to utilize the generated waste materials is a problem which is always explored by target material using enterprises.
The prior art does not report how to treat the terbium target material waste. However, most enterprises entrust the rare earth target material waste to downstream separation enterprises for recycling treatment, and the adopted process is to dissolve the target material waste in acid and then add the solution into an extraction tank for extraction and separation; however, the process flow is long, a large amount of acid and carbonate are consumed, a large amount of acid wastewater is generated, and rare earth carbonate or rare earth oxalate is prepared by separation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for treating terbium target material waste, which can be used for preparing terbium oxide products and has high recycling value. Meanwhile, the invention also provides terbium oxide and a preparation method thereof.
In order to solve the technical problems, the invention provides the following technical scheme: a method for treating terbium target material waste is used for preparing terbium oxide products.
As an option of a method for treating terbium target material waste, the method comprises the following technical steps:
(1) adding the powdery terbium target material waste into water with the temperature of 80-100 ℃, and filling air for 30-60 min; then, removing water to obtain jelly;
(2) burning the jelly, wherein the burning standard temperature is 500-1000 ℃, the heating speed from room temperature to the burning standard temperature is 10 ℃/min, and the burning time at the burning standard temperature is 30-120 min; and naturally cooling to obtain the terbium oxide.
On the basis of the technical scheme, before the step (1), standing the powdery terbium target material waste in humid air for at least 7 days; the humid air refers to an environment with air humidity of 50% -90%, and is left standing in the humid air for 7 days to help the decomposition and make the powder particles smaller.
On the basis of the scheme, the granular terbium target material waste is crushed into 60-100 meshes to obtain powdery terbium target material waste before the step (1).
As one mode of the pulverization method, a hammer mill method is used as a pulverization method for pulverizing the particulate terbium target material waste.
As one mode of the pulverization method, a jet milling method is used for pulverizing the granular terbium target material waste, and carbon dioxide, nitrogen or argon is used as a medium.
As one mode of the pulverization method, an extrusion pulverization method is used as a pulverization method for pulverizing the particulate terbium target material waste.
Terbium oxide is a product prepared by taking terbium target material waste as a raw material and adopting the technical steps (1) and (2).
A preparation method of terbium oxide is carried out according to the technical steps (1) and (2).
Compared with the prior art, the invention has the beneficial effects that: the invention uses the terbium target material waste material for preparing the terbium oxide product, has high recycling value and develops a new idea of recycling the terbium target material waste material.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a method for treating terbium target material waste, which is used for preparing a terbium oxide product and creates a new idea of recycling terbium target material waste with high recycling value.
The specific implementation process of the terbium target material waste for preparing terbium oxide comprises the following technical steps: for the granular terbium target material waste, grinding 50kg of the granular terbium target material waste to 60 meshes by using a grinding disc grinder to obtain powdery terbium target material waste (certainly, the powdery terbium target material waste does not need to be subjected to the grinding process); then:
(1) standing the powdery terbium target material waste in air with the air humidity of 70% for 7 days, then adding the powdery terbium target material waste into a stainless steel barrel filled with hot water of 80 ℃, and filling air for 60 min; moreover, a gas collecting cover is covered at the opening of the stainless steel barrel, an exhaust fan is arranged in a collecting pipeline of the gas collecting cover, and the extracted gas is discharged into a dilute hydrochloric acid pool;
after reacting for 60min, removing water by suction filtration to obtain jelly;
(2) the jelly is contained in a corundum bowl and is put into a burning kiln to be burnt, the burning standard temperature is 980 ℃, the heating rate of the temperature rising from the room temperature to the burning standard temperature is 10 ℃/min, and the jelly is burnt for 120min at the temperature of 980 ℃; then, the mixture was naturally cooled to obtain 56.5kg of terbium oxide.
The terbium oxide provided by the invention is a product prepared by the method, and parameters detected by the product are shown in the following table:
the terbium oxide product prepared by the method has high product purity. Moreover, the mode for treating the terbium target material waste has short treatment process flow; acid and alkali are not consumed; the recovery rate is high and reaches more than 95 percent; the energy consumption for producing products with unit weight is low, and the comprehensive cost is low; can be directly prepared into terbium oxide products, and has the advantages of high utilization value of waste materials and the like.
Of course, the specific implementation process of how to prepare the terbium target material waste into the terbium oxide product is not limited to the above embodiment, and other methods can be adopted, which are not given as examples herein; however, it should be noted that all the technical means implemented under the teaching of the development idea of the invention of "terbium target material waste is prepared into terbium oxide product" should be within the scope of the present invention.
As for the crushing method for obtaining the powdery terbium target material waste by crushing the granular terbium target material waste, the millstone mill adopted in the above embodiment belongs to a technical means in an extrusion crushing method, wherein the extrusion crushing method is a method for converting granular materials into powder by adopting an extrusion means, and besides the extrusion crushing method, for example, a jet milling method can be adopted, carbon dioxide or nitrogen or argon is adopted as a medium, and for example, a hammer milling method and the like can be adopted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The method for treating the terbium target material waste is characterized in that the terbium target material waste is used for preparing a terbium oxide product.
2. The method for processing terbium target material waste according to claim 1, comprising the following technical steps:
(1) adding the powdery terbium target material waste into water with the temperature of 80-100 ℃, and filling air for 30-60 min; then, removing water to obtain jelly;
(2) burning the jelly, wherein the burning standard temperature is 500-1000 ℃, the heating speed from room temperature to the burning standard temperature is 10 ℃/min, and the burning time at the burning standard temperature is 30-120 min; and naturally cooling to obtain the terbium oxide.
3. The method for treating terbium target material waste according to claim 2, wherein the powdered terbium target material waste is left standing in a humid atmosphere for at least 7 days before step (1).
4. The method for treating terbium target material waste according to claim 2 or 3, wherein, before step (1), the granular terbium target material waste is pulverized to 60-100 mesh to obtain powdery terbium target material waste.
5. The method for treating terbium target material waste according to claim 4, wherein the pulverization method for pulverizing the particulate terbium target material waste employs a hammer mill.
6. The method for processing terbium target material waste as claimed in claim 4, wherein the pulverization method for pulverizing the particulate terbium target material waste employs a jet milling method and carbon dioxide or nitrogen or argon as a medium.
7. The method for treating terbium target material waste as claimed in claim 4, wherein the pulverization method for pulverizing the particulate terbium target material waste employs an extrusion pulverization method.
8. Terbium oxide, characterized in that it is a product obtained by using terbium target material waste as a raw material and using the technical steps of claim 2 or 3.
9. A method for preparing terbium oxide, characterized by comprising the steps of claim 2 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010288832.3A CN111362294B (en) | 2020-04-14 | 2020-04-14 | Method for treating terbium target material waste, terbium oxide and preparation method thereof |
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| CN202010288832.3A CN111362294B (en) | 2020-04-14 | 2020-04-14 | Method for treating terbium target material waste, terbium oxide and preparation method thereof |
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| CN111362294A true CN111362294A (en) | 2020-07-03 |
| CN111362294B CN111362294B (en) | 2022-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112725675A (en) * | 2020-12-23 | 2021-04-30 | 苏州希镝瑞新材料科技有限公司 | Method for manufacturing dysprosium/terbium target |
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| JPS60161330A (en) * | 1984-01-31 | 1985-08-23 | Kasei Optonix Co Ltd | Recovery of rare earth metal oxide having high purity from waste rare earth metal phosphor |
| US5258103A (en) * | 1991-01-17 | 1993-11-02 | Mitsubishi Kasei Corporation | Process for producing terbium alloy or terbium metal |
| JPH11323452A (en) * | 1998-05-15 | 1999-11-26 | Mitsubishi Materials Corp | Method for recovering terbium |
| CN1605638A (en) * | 2004-06-28 | 2005-04-13 | 辽宁美宝稀土材料有限公司 | Process for recovering rare earth from neodymium-ion-boron waste materials |
| JPWO2009087908A1 (en) * | 2008-01-10 | 2011-05-26 | 学校法人 芝浦工業大学 | How to recycle useful metals |
| US20170022071A1 (en) * | 2015-06-25 | 2017-01-26 | Iowa State University Research Foundation, Inc. | Separation of terbium(iii,iv) oxide |
| JP2018053326A (en) * | 2016-09-29 | 2018-04-05 | 日立金属株式会社 | METHOD FOR SEPARATING Dy AND Tb FROM PROCESSING OBJECT INCLUDING BOTH OF THEM |
| CN110373642A (en) * | 2019-08-01 | 2019-10-25 | 包头金山磁材有限公司 | A kind of heavy rare earth metal target restorative procedure |
| CN110983277A (en) * | 2019-12-30 | 2020-04-10 | 广州市尤特新材料有限公司 | Rotary rare earth target material for neodymium iron boron permanent magnet material, and preparation method and repair method thereof |
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2020
- 2020-04-14 CN CN202010288832.3A patent/CN111362294B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60161330A (en) * | 1984-01-31 | 1985-08-23 | Kasei Optonix Co Ltd | Recovery of rare earth metal oxide having high purity from waste rare earth metal phosphor |
| US5258103A (en) * | 1991-01-17 | 1993-11-02 | Mitsubishi Kasei Corporation | Process for producing terbium alloy or terbium metal |
| JPH11323452A (en) * | 1998-05-15 | 1999-11-26 | Mitsubishi Materials Corp | Method for recovering terbium |
| CN1605638A (en) * | 2004-06-28 | 2005-04-13 | 辽宁美宝稀土材料有限公司 | Process for recovering rare earth from neodymium-ion-boron waste materials |
| JPWO2009087908A1 (en) * | 2008-01-10 | 2011-05-26 | 学校法人 芝浦工業大学 | How to recycle useful metals |
| US20170022071A1 (en) * | 2015-06-25 | 2017-01-26 | Iowa State University Research Foundation, Inc. | Separation of terbium(iii,iv) oxide |
| JP2018053326A (en) * | 2016-09-29 | 2018-04-05 | 日立金属株式会社 | METHOD FOR SEPARATING Dy AND Tb FROM PROCESSING OBJECT INCLUDING BOTH OF THEM |
| CN110373642A (en) * | 2019-08-01 | 2019-10-25 | 包头金山磁材有限公司 | A kind of heavy rare earth metal target restorative procedure |
| CN110983277A (en) * | 2019-12-30 | 2020-04-10 | 广州市尤特新材料有限公司 | Rotary rare earth target material for neodymium iron boron permanent magnet material, and preparation method and repair method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112725675A (en) * | 2020-12-23 | 2021-04-30 | 苏州希镝瑞新材料科技有限公司 | Method for manufacturing dysprosium/terbium target |
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