RU2006147175A - METHOD FOR PRODUCING SMALL-CRYSTALLINE ALLOYED LANTANE ALUMINATE - Google Patents
METHOD FOR PRODUCING SMALL-CRYSTALLINE ALLOYED LANTANE ALUMINATE Download PDFInfo
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- RU2006147175A RU2006147175A RU2006147175/15A RU2006147175A RU2006147175A RU 2006147175 A RU2006147175 A RU 2006147175A RU 2006147175/15 A RU2006147175/15 A RU 2006147175/15A RU 2006147175 A RU2006147175 A RU 2006147175A RU 2006147175 A RU2006147175 A RU 2006147175A
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- treatment
- thermocouple
- aluminate
- temperature range
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
1. Способ получения мелкокристаллического легированного алюмината лантана путем термопаровой обработки смеси гидроксида алюминия, оксида лантана и легирующих добавок в автоклаве в до- и сверхкритических условиях, отличающийся тем, что термопаровую обработку осуществляют в два этапа.2. Способ по п.1, отличающийся тем, что первый этап температурной обработки в парах воды проводят в температурном интервале 180-250°С, а второй в температурном интервале 390-450°С.3. Способ по п.1, отличающийся тем, что легирующие добавки вводятся в реакционную среду перед началом термопаровой обработки.4. Способ по п.3, отличающийся тем, что в роли легирующих добавок используются оксиды, гидроксиды или соли щелочноземельных, переходных и редкоземельных элементов из ряда: Са, Mg, Sr, Cr, Mn, Co, Eu, Ce, Pr.5. Способ по п.4, отличающийся тем, что концентрации легирующих катионов составляют от 0,001 до 2 мас.% от массы синтезированного алюмината лантана.1. A method of producing fine-crystalline doped lanthanum aluminate by thermocouple treatment of a mixture of aluminum hydroxide, lanthanum oxide and alloying additives in an autoclave under sub- and supercritical conditions, characterized in that the thermocouple treatment is carried out in two stages. The method according to claim 1, characterized in that the first stage of temperature treatment in water vapor is carried out in a temperature range of 180-250 ° C, and the second in a temperature range of 390-450 ° C. The method according to claim 1, characterized in that the alloying additives are introduced into the reaction medium before the start of the thermocouple treatment. The method according to claim 3, characterized in that oxides, hydroxides or salts of alkaline earth, transition and rare earth elements from the series: Ca, Mg, Sr, Cr, Mn, Co, Eu, Ce, Pr. 5 are used as alloying additives. The method according to claim 4, characterized in that the concentration of doping cations is from 0.001 to 2 wt.% Based on the weight of the synthesized lanthanum aluminate.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2006147175/15A RU2340558C2 (en) | 2006-12-29 | 2006-12-29 | Method of obtaining fine crystalline alloyed lanthanum aluminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2006147175/15A RU2340558C2 (en) | 2006-12-29 | 2006-12-29 | Method of obtaining fine crystalline alloyed lanthanum aluminate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2006147175A true RU2006147175A (en) | 2008-07-10 |
| RU2340558C2 RU2340558C2 (en) | 2008-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2006147175/15A RU2340558C2 (en) | 2006-12-29 | 2006-12-29 | Method of obtaining fine crystalline alloyed lanthanum aluminate |
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| Country | Link |
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| RU (1) | RU2340558C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333009A (en) * | 2021-05-29 | 2021-09-03 | 安徽大学 | Nitrogen-doped gamma-Bi2MoO6Method for preparing photocatalyst |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110156073B (en) * | 2018-01-31 | 2021-09-17 | 安徽大学 | Preparation of TiO by steam hot solution evaporation2Method (2) |
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- 2006-12-29 RU RU2006147175/15A patent/RU2340558C2/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333009A (en) * | 2021-05-29 | 2021-09-03 | 安徽大学 | Nitrogen-doped gamma-Bi2MoO6Method for preparing photocatalyst |
| CN113333009B (en) * | 2021-05-29 | 2022-02-18 | 安徽大学 | Nitrogen-doped gamma-Bi2MoO6Method for preparing photocatalyst |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2340558C2 (en) | 2008-12-10 |
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| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20131230 |