ZA200101901B - Process for removing ionizable species from catalyst surface to improve catalytic properties. - Google Patents
Process for removing ionizable species from catalyst surface to improve catalytic properties. Download PDFInfo
- Publication number
- ZA200101901B ZA200101901B ZA200101901A ZA200101901A ZA200101901B ZA 200101901 B ZA200101901 B ZA 200101901B ZA 200101901 A ZA200101901 A ZA 200101901A ZA 200101901 A ZA200101901 A ZA 200101901A ZA 200101901 B ZA200101901 B ZA 200101901B
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- ZA
- South Africa
- Prior art keywords
- carrier
- process according
- catalyst
- solution
- concentration
- Prior art date
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- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000005622 tetraalkylammonium hydroxides Chemical class 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/06—Washing
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/48—Silver or gold
- B01J23/50—Silver
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
- C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
- C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10019498P | 1998-09-14 | 1998-09-14 |
Publications (1)
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ZA200101901B true ZA200101901B (en) | 2002-08-19 |
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ID=22278549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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ZA200101901A ZA200101901B (en) | 1998-09-14 | 2001-03-07 | Process for removing ionizable species from catalyst surface to improve catalytic properties. |
Country Status (18)
Country | Link |
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US (1) | US6368998B1 (pt) |
EP (1) | EP1115485A1 (pt) |
JP (1) | JP4698835B2 (pt) |
KR (1) | KR100572966B1 (pt) |
CN (1) | CN1167500C (pt) |
AU (1) | AU750895B2 (pt) |
BR (1) | BR9913600A (pt) |
CA (1) | CA2343783C (pt) |
GC (1) | GC0000069A (pt) |
ID (1) | ID28550A (pt) |
IN (1) | IN218010B (pt) |
MX (1) | MXPA01002590A (pt) |
MY (1) | MY121089A (pt) |
RU (1) | RU2232049C2 (pt) |
TR (1) | TR200100748T2 (pt) |
TW (1) | TWI232133B (pt) |
WO (1) | WO2000015333A1 (pt) |
ZA (1) | ZA200101901B (pt) |
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-
1999
- 1999-09-09 RU RU2001110169/04A patent/RU2232049C2/ru not_active IP Right Cessation
- 1999-09-09 KR KR1020017003171A patent/KR100572966B1/ko not_active IP Right Cessation
- 1999-09-09 ID IDW20010578A patent/ID28550A/id unknown
- 1999-09-09 EP EP99944639A patent/EP1115485A1/en not_active Withdrawn
- 1999-09-09 AU AU57469/99A patent/AU750895B2/en not_active Ceased
- 1999-09-09 TR TR2001/00748T patent/TR200100748T2/xx unknown
- 1999-09-09 CA CA002343783A patent/CA2343783C/en not_active Expired - Fee Related
- 1999-09-09 CN CNB998108952A patent/CN1167500C/zh not_active Expired - Lifetime
- 1999-09-09 WO PCT/EP1999/006721 patent/WO2000015333A1/en active IP Right Grant
- 1999-09-09 JP JP2000569912A patent/JP4698835B2/ja not_active Expired - Lifetime
- 1999-09-09 US US09/392,523 patent/US6368998B1/en not_active Expired - Lifetime
- 1999-09-09 BR BR9913600-7A patent/BR9913600A/pt not_active Application Discontinuation
- 1999-09-13 GC GCP1999282 patent/GC0000069A/xx active
- 1999-09-14 MY MYPI99003960A patent/MY121089A/en unknown
- 1999-10-19 TW TW088118047A patent/TWI232133B/zh not_active IP Right Cessation
-
2001
- 2001-02-26 IN IN171DE2001 patent/IN218010B/en unknown
- 2001-03-07 ZA ZA200101901A patent/ZA200101901B/en unknown
- 2001-03-12 MX MXPA01002590 patent/MXPA01002590A/es not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
TR200100748T2 (tr) | 2001-08-21 |
US6368998B1 (en) | 2002-04-09 |
EP1115485A1 (en) | 2001-07-18 |
KR100572966B1 (ko) | 2006-04-24 |
KR20010079796A (ko) | 2001-08-22 |
CA2343783A1 (en) | 2000-03-23 |
IN2001DE00171A (pt) | 2007-09-28 |
GC0000069A (en) | 2004-06-30 |
JP4698835B2 (ja) | 2011-06-08 |
CN1167500C (zh) | 2004-09-22 |
RU2232049C2 (ru) | 2004-07-10 |
TWI232133B (en) | 2005-05-11 |
AU5746999A (en) | 2000-04-03 |
MXPA01002590A (es) | 2001-08-01 |
JP2002524245A (ja) | 2002-08-06 |
ID28550A (id) | 2001-05-31 |
MY121089A (en) | 2005-12-30 |
BR9913600A (pt) | 2001-05-22 |
WO2000015333A1 (en) | 2000-03-23 |
AU750895B2 (en) | 2002-08-01 |
CN1317990A (zh) | 2001-10-17 |
IN218010B (pt) | 2008-06-13 |
CA2343783C (en) | 2008-02-12 |
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