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 PDF

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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
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ZA200101901A
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English (en)
Inventor
John Robert Lockemeyer
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Shell Int Research
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Publication of ZA200101901B publication Critical patent/ZA200101901B/en

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    • 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

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  • 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)
ZA200101901A 1998-09-14 2001-03-07 Process for removing ionizable species from catalyst surface to improve catalytic properties. ZA200101901B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10019498P 1998-09-14 1998-09-14

Publications (1)

Publication Number Publication Date
ZA200101901B true ZA200101901B (en) 2002-08-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
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
US (1) US6368998B1 (cs)
EP (1) EP1115485A1 (cs)
JP (1) JP4698835B2 (cs)
KR (1) KR100572966B1 (cs)
CN (1) CN1167500C (cs)
AU (1) AU750895B2 (cs)
BR (1) BR9913600A (cs)
CA (1) CA2343783C (cs)
GC (1) GC0000069A (cs)
ID (1) ID28550A (cs)
IN (1) IN218010B (cs)
MX (1) MXPA01002590A (cs)
MY (1) MY121089A (cs)
RU (1) RU2232049C2 (cs)
TR (1) TR200100748T2 (cs)
TW (1) TWI232133B (cs)
WO (1) WO2000015333A1 (cs)
ZA (1) ZA200101901B (cs)

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US6368998B1 (en) 2002-04-09
JP4698835B2 (ja) 2011-06-08
CN1167500C (zh) 2004-09-22
CA2343783C (en) 2008-02-12
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GC0000069A (en) 2004-06-30
RU2232049C2 (ru) 2004-07-10
TWI232133B (en) 2005-05-11
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AU750895B2 (en) 2002-08-01
BR9913600A (pt) 2001-05-22

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