RU2001110169A - Способ удаления ионизируемых частиц с поверхности катализатора для улучшения каталитических свойств - Google Patents
Способ удаления ионизируемых частиц с поверхности катализатора для улучшения каталитических свойствInfo
- Publication number
- RU2001110169A RU2001110169A RU2001110169/04A RU2001110169A RU2001110169A RU 2001110169 A RU2001110169 A RU 2001110169A RU 2001110169/04 A RU2001110169/04 A RU 2001110169/04A RU 2001110169 A RU2001110169 A RU 2001110169A RU 2001110169 A RU2001110169 A RU 2001110169A
- Authority
- RU
- Russia
- Prior art keywords
- catalyst
- carrier
- carried out
- epoxidation
- treatment
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims 6
- 239000002245 particle Substances 0.000 title claims 5
- 230000003197 catalytic Effects 0.000 title claims 2
- 239000000969 carrier Substances 0.000 claims 7
- 238000006735 epoxidation reaction Methods 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 3
- 229910052751 metal Inorganic materials 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitrogen oxide Substances O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims 2
- 150000001336 alkenes Chemical class 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 2
- 239000000243 solution Substances 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 239000005695 Ammonium acetate Substances 0.000 claims 1
- 229940112016 Barium Acetate Drugs 0.000 claims 1
- ITHZDDVSAWDQPZ-UHFFFAOYSA-L Barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 229940008015 Lithium Carbonate Drugs 0.000 claims 1
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 claims 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims 1
- 229940043376 ammonium acetate Drugs 0.000 claims 1
- 235000019257 ammonium acetate Nutrition 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 125000004429 atoms Chemical group 0.000 claims 1
- 238000010668 complexation reaction Methods 0.000 claims 1
- 150000003983 crown ethers Chemical class 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- -1 hydrogen ions Chemical class 0.000 claims 1
- 238000005470 impregnation Methods 0.000 claims 1
- 238000005342 ion exchange Methods 0.000 claims 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims 1
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 229910052813 nitrogen oxide Inorganic materials 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N oxane Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- 230000001737 promoting Effects 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- RXSHXLOMRZJCLB-UHFFFAOYSA-L strontium;diacetate Chemical compound [Sr+2].CC([O-])=O.CC([O-])=O RXSHXLOMRZJCLB-UHFFFAOYSA-L 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 claims 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (11)
1. Способ улучшения свойств носителя для катализатора при обработке, причем эту обработку осуществляют на одном или более материалах, из которых получают носитель, и/или на готовом носителе, при этом обработка эффективна для снижения концентрации одной или более ионизуемых частиц, находящихся на поверхности готового носителя, при этом снижение выражают в виде уменьшения относительной концентрации атомов Na и/или Si, определенной рентгеновской фотоэлектронной спектроскопией (РФС), которую проводят на необработанном и обработанном носителе, по меньшей мере, на 5%.
2. Способ по п.1, отличающийся тем, что обработку осуществляют методом, эффективным для перевода ионизуемых частиц в ионное состояние, или перевода ионизуемых частиц в нерастворимое состояние, или перевода ионизуемых частиц в стационарное состояние.
3. Способ по п.2, отличающийся тем, что упомянутый метод выбирают из промывания, ионного обмена, испарения, осаждения, комплексообразования и их сочетания.
4. Способ по п.3, отличающийся тем, что упомянутое промывание проводят с использованием водного раствора, и/или раствора на основе органического растворителя, выбранного из воды, гидроксида тетраэтиламмония, ацетата аммония, карбоната лития, ацетата бария, ацетата стронция, краун-эфира, метанола, этанола, диметилформамида и их смесей.
5. Способ по любому из пп.1-4, отличающийся тем, что обработку для снижения концентрации сопровождают стадией сушки.
6. Способ получения катализатора путем нанесения каталитически эффективного количества одного или более каталитически активных металлов и, необязательно, одного или более промотирующих веществ на носитель, полученный по способу по любому из пп.1-5.
7. Способ по п.6, отличающийся тем, что нанесение упомянутых каталитически активного металла и необязательного промотирующего вещества достигают путем погружения упомянутого носителя в раствор для пропитки, в котором активность водородных ионов снижена.
8. Способ по п.6 или 7, отличающийся тем, что катализатор пригоден для эпоксидирования алкена в газовой фазе.
9. Способ по п.8, отличающийся тем, что катализатор пригоден для эпоксидирования этилена в оксид этилена, содержит серебро в качестве основного каталитически активного металла на носителе на основе оксида алюминия.
10. Способ каталитического эпоксидирования алкена кислородсодержащим газом, в котором используют катализатор, полученный по п.6 или 7.
11. Способ по п.10, отличающийся тем, что к кислородсодержащему газу добавляют, по меньшей мере, один из оксидов азота.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10019498P | 1998-09-14 | 1998-09-14 | |
US60/100,194 | 1998-09-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2001110169A true RU2001110169A (ru) | 2003-07-10 |
RU2232049C2 RU2232049C2 (ru) | 2004-07-10 |
Family
ID=22278549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2001110169/04A RU2232049C2 (ru) | 1998-09-14 | 1999-09-09 | Способ удаления ионизируемых частиц с поверхности катализатора для улучшения каталитических свойств |
Country Status (18)
Country | Link |
---|---|
US (1) | US6368998B1 (ru) |
EP (1) | EP1115485A1 (ru) |
JP (1) | JP4698835B2 (ru) |
KR (1) | KR100572966B1 (ru) |
CN (1) | CN1167500C (ru) |
AU (1) | AU750895B2 (ru) |
BR (1) | BR9913600A (ru) |
CA (1) | CA2343783C (ru) |
GC (1) | GC0000069A (ru) |
ID (1) | ID28550A (ru) |
IN (1) | IN218010B (ru) |
MX (1) | MXPA01002590A (ru) |
MY (1) | MY121089A (ru) |
RU (1) | RU2232049C2 (ru) |
TR (1) | TR200100748T2 (ru) |
TW (1) | TWI232133B (ru) |
WO (1) | WO2000015333A1 (ru) |
ZA (1) | ZA200101901B (ru) |
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- 1999-09-09 BR BR9913600-7A patent/BR9913600A/pt not_active Application Discontinuation
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- 1999-09-09 JP JP2000569912A patent/JP4698835B2/ja not_active Expired - Lifetime
- 1999-09-09 TR TR2001/00748T patent/TR200100748T2/xx unknown
- 1999-09-09 RU RU2001110169/04A patent/RU2232049C2/ru not_active IP Right Cessation
- 1999-09-09 ID IDW20010578A patent/ID28550A/id unknown
- 1999-09-09 CA CA002343783A patent/CA2343783C/en not_active Expired - Fee Related
- 1999-09-09 EP EP99944639A patent/EP1115485A1/en not_active Withdrawn
- 1999-09-09 CN CNB998108952A patent/CN1167500C/zh not_active Expired - Lifetime
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- 1999-10-19 TW TW088118047A patent/TWI232133B/zh not_active IP Right Cessation
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2001
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