RU2019132245A - Способ получения устойчивого к истиранию гранулированного материала - Google Patents
Способ получения устойчивого к истиранию гранулированного материала Download PDFInfo
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- RU2019132245A RU2019132245A RU2019132245A RU2019132245A RU2019132245A RU 2019132245 A RU2019132245 A RU 2019132245A RU 2019132245 A RU2019132245 A RU 2019132245A RU 2019132245 A RU2019132245 A RU 2019132245A RU 2019132245 A RU2019132245 A RU 2019132245A
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- fluidized bed
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- 238000000034 method Methods 0.000 title claims 19
- 239000008187 granular material Substances 0.000 title claims 2
- 239000002612 dispersion medium Substances 0.000 claims 11
- 238000005469 granulation Methods 0.000 claims 8
- 230000003179 granulation Effects 0.000 claims 8
- 239000010954 inorganic particle Substances 0.000 claims 7
- 239000002245 particle Substances 0.000 claims 6
- 239000000203 mixture Substances 0.000 claims 3
- 239000011148 porous material Substances 0.000 claims 3
- 239000003381 stabilizer Substances 0.000 claims 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 2
- 229910001593 boehmite Inorganic materials 0.000 claims 2
- 238000001354 calcination Methods 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 239000006185 dispersion Substances 0.000 claims 2
- 238000000227 grinding Methods 0.000 claims 2
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 1
- 238000005299 abrasion Methods 0.000 claims 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229910001680 bayerite Inorganic materials 0.000 claims 1
- 150000001720 carbohydrates Chemical class 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 150000004677 hydrates Chemical class 0.000 claims 1
- 229910052738 indium Inorganic materials 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 229910052758 niobium Inorganic materials 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 1
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 1
- 239000011164 primary particle Substances 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
- 229910052702 rhenium Inorganic materials 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 229910052718 tin Inorganic materials 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
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Claims (19)
1. Способ получения гранулированных частиц в грануляционном реакторе с псевдоожиженным слоем, который включает подачу неорганических частиц, диспергированных в дисперсионной среде, в грануляционный реактор с псевдоожиженным слоем, причем неорганические частицы в дисперсионной среде имеют значение D90, лежащее в диапазоне от 1 мкм до 15 мкм.
2. Способ по п. 1, отличающийся тем, что дисперсионную среду, содержащую диспергированные в ней частицы, распыляют в технологическую камеру грануляционного реактора с псевдоожиженным слоем, причем нагретый технологический газ течет через технологическую камеру снизу вверх, и нагретый газ при поступлении в технологическую камеру предпочтительно имеет входную температуру, лежащую в диапазоне от 0°С до 550°С, более предпочтительно - от 50°С до 550°С, и наиболее предпочтительно - от 100°С до 400°С.
3. Способ по п. 1 или 2, отличающийся тем, что значение D90 неорганических частиц в дисперсионной среде, подаваемой в грануляционный реактор с псевдоожиженным слоем, лежит в диапазоне от 1 мкм до 10 мкм, и предпочтительно - в диапазоне от 1 мкм до 5 мкм.
4. Способ по любому из пп. 1-3, отличающийся тем, что неорганические частицы содержат соединения щелочноземельных металлов, редкоземельных элементов, элементов группы платины, элементов группы железа, Cu, Ag, Au, Zn, Al, In, Sn, Si, Р, V, Nb, Mo, W, Mn, Re, Ti, Zr или их смеси, причем соединения предпочтительно являются оксидами, или гидратами оксидов, или их смесями.
5. Способ по любому из предыдущих пунктов, отличающийся тем, что неорганические частицы являются частицами оксида алюминия, диоксида кремния или их смесью, причем предпочтительными являются гидратированный оксид алюминия, бемит и/или байерит, и в частности - бемит.
6. Способ по любому из предыдущих пунктов, отличающийся тем, что дисперсионная среда содержит воду или состоит из воды.
7. Способ по любому из предыдущих пунктов, отличающийся тем, что к дисперсионной среде добавляют стабилизатор, причем стабилизатор предпочтительно является поливиниловым спиртом или углеводом.
8. Способ по любому из предыдущих пунктов, отличающийся тем, что он включает начальную стадию размола неорганических частиц в дисперсионной среде до значения D90, лежащего в диапазоне от 1 мкм до 15 мкм, предпочтительно - от 1 мкм до 10 мкм, и наиболее предпочтительно - от 1 мкм до 5 мкм, до их поступления в грануляционный реактор с псевдоожиженным слоем.
9. Способ по п. 7 или 8, отличающийся тем, что стабилизатор добавляют в дисперсионную среду только после стадии размола.
10. Способ по любому из предыдущих пунктов, отличающийся тем, что дисперсионная среда содержит от 5 масс. % до 60 масс. % неорганических частиц в пересчете на общее количество дисперсионной среды.
11. Способ по любому из предыдущих пунктов, отличающийся тем, что дисперсионная среда имеет значение рН, лежащее в диапазоне от 2 до 12.
12. Способ по любому из предыдущих пунктов, отличающийся тем, что он включает стадию кальцинирования, причем кальцинирование проводят при температуре, лежащей в диапазоне от 350°С до 1600°С, в течение периода, лежащего в диапазоне от 30 минут до 5 часов.
13. Способ по п. 1, отличающийся тем, что затравочный материал, содержащий первичные частицы, имеющие значение D50, лежащее в диапазоне от 5 мкм до 200 мкм, предпочтительно - от 50 мкм до 80 мкм, дополнительно включают в дисперсию, подаваемую в грануляционный реактор с псевдоожиженным слоем, и/или он уже присутствует в грануляционном реакторе с псевдоожиженным слоем, когда дисперсию подают в грануляционный реактор с псевдоожиженным слоем.
14. Сферические кальцинированные гранулированные частицы, полученные способом по любому из пп 1-12, которые имеют значение D50, лежащее в диапазоне от 100 мкм до 5000 мкм, предпочтительно - от 400 мкм до 1000 мкм.
15. Сферические кальцинированные гранулированные частицы, имеющие значение D50, лежащее в диапазоне от 100 мкм до 5000 мкм, предпочтительно - от 400 мкм до 1000 мкм, значение объемной сферичности частиц гранулированного материала, лежащее в диапазоне от 0,900 до 1,00, и показатель истираемости меньше 5%, предпочтительно - меньше 2%, дополнительно характеризующиеся более чем одной или всеми, предпочтительно - всеми следующими характеристиками:
i) свободная насыпная плотность, лежащая в диапазоне от 0,3 г/см3 до 2,5 г/см3, предпочтительно - от 0,5 г/см3 до 2,0 г/см3, наиболее предпочтительно - от 0,5 г/см3 до 1 г/см3;
ii) удельная площадь поверхности, лежащая в диапазоне от 0,1 м2/г до 500 м2/г, предпочтительно - от 150 м2/г до 300 м2/г, наиболее предпочтительно - от 150 м2/г до 250 м2/г;
iii) объем пор, лежащий в диапазоне от 0,01 см3/г до 2,0 см3/г, предпочтительно - от 0,1 см3/г до 1 см3/г; или
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EP17165384.3 | 2017-04-06 | ||
EP17165384.3A EP3384980A1 (en) | 2017-04-06 | 2017-04-06 | Process for production of attrition stable granulated material |
PCT/EP2018/058656 WO2018185194A1 (en) | 2017-04-06 | 2018-04-04 | Process for production of attrition stable granulated material |
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US (1) | US11559798B2 (ru) |
EP (2) | EP3384980A1 (ru) |
JP (1) | JP7182557B2 (ru) |
KR (1) | KR102550130B1 (ru) |
CN (1) | CN110461461A (ru) |
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KR20190137081A (ko) | 2019-12-10 |
US20210046468A1 (en) | 2021-02-18 |
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CA3054853A1 (en) | 2018-10-11 |
EP3606655A1 (en) | 2020-02-12 |
WO2018185194A1 (en) | 2018-10-11 |
RU2762462C2 (ru) | 2021-12-21 |
JP7182557B2 (ja) | 2022-12-02 |
JP2020518430A (ja) | 2020-06-25 |
KR102550130B1 (ko) | 2023-07-03 |
US11559798B2 (en) | 2023-01-24 |
RU2019132245A3 (ru) | 2021-05-26 |
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