RU2005102076A - Способ улучшения селективности катализатора и способ эпоксидирования олефина - Google Patents

Способ улучшения селективности катализатора и способ эпоксидирования олефина Download PDF

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RU2005102076A
RU2005102076A RU2005102076/04A RU2005102076A RU2005102076A RU 2005102076 A RU2005102076 A RU 2005102076A RU 2005102076/04 A RU2005102076/04 A RU 2005102076/04A RU 2005102076 A RU2005102076 A RU 2005102076A RU 2005102076 A RU2005102076 A RU 2005102076A
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Prior art keywords
catalyst
silver
olefin
carrier
oxygen
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RU2005102076/04A
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RU2314156C2 (ru
Inventor
Джон Роберт ЛОКМЕЙЕР (US)
Джон Роберт Локмейер
Доналд РЕЙНАЛДА (NL)
Доналд РЕЙНАЛДА
Рэндалл Клейтон ЙЕТС (US)
Рэндалл Клейтон ЙЕТС
Original Assignee
Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL)
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
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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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0213—Preparation of the impregnating solution
    • 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
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/66—Silver or gold
    • B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/66—Silver or gold
    • B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/688—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with manganese, technetium or rhenium
    • 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
    • B01J37/08—Heat treatment
    • 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
    • B01J37/12—Oxidising
    • B01J37/14—Oxidising with gases containing free oxygen
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Epoxy Compounds (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Claims (12)

1. Способ улучшения селективности высокоселективного катализатора эпоксидирования на носителе, содержащего серебро в количестве, самое большее, 0,19 г на м2 площади поверхности носителя, и, помимо серебра, одну или несколько повышающих селективность легирующих добавок, выбранных из рения, молибдена и вольфрама, включающий приведение катализатора или его предшественника, содержащего серебро в катионной форме, в контакт с содержащим кислород сырьем при температуре катализатора выше 250°С в течение, по меньшей мере, от 0,5 до 150 ч, и
последующее снижение температуры катализатора до величины самое большее 250°С.
2. Способ по п.1, в котором катализатор содержит носитель из оксида алюминия, имеющий площадь поверхности, составляющую, по меньшей мере, 1 м2/г, и такое распределение по размерам пор, что поры диаметром в интервале от 0,2 до 10 мкм составляют, по меньшей мере, 70% от общего объема пор, и такие поры вместе обеспечивают объем пор, составляющий, по меньшей мере, 0,25 мл/г в расчете на массу носителя.
3. Способ по п.1, в котором катализатор содержит, помимо серебра, металл группы IA и одну или несколько повышающих селективность легирующих добавок, выбранных из рения, молибдена и вольфрама.
4. Способ по п.3, в котором катализатор содержит, помимо серебра, рений или его соединение, дополнительный металл или его соединение, выбранные из группы металлов IA, группы металлов IIA, молибдена, вольфрама, хрома, титана, гафния, циркония, таллия, тория, тантала, ниобия, галлия и германия и их смесей, и, необязательно, рениевый сопромотор, который может быть выбран из одного или нескольких из следующих соединений: сера, фосфор, бор и их соединения, на материале-носителе.
5. Способ по п.1, в котором катализатор содержит носитель из оксида алюминия, а количество серебра относительно площади поверхности носителя составляет самое большее 0,17 г/м2, в частности от 0,01 до 0,15 г/м2, более конкретно от 0,02 до 0,12 г/м2.
6. Способ по п.5, в котором катализатор содержит серебро в количестве от 50 до 250 г/кг от общей массы катализатора, а носитель имеет площадь поверхности от 1 до 5 м2/г.
7. Способ по п.1, в котором катализатор приводит в контакт с содержащим кислород сырьем в количестве от 1 до 30 об.% от общей массы сырья при температуре в интервале от 250 до 320°С.
8. Способ по п.1, в котором, в дополнение к кислороду, сырье включает олефин.
9. Способ эпоксидирования олефина, включающий приведение в контакт высокоселективного катализатора для эпоксидирования на носителе, содержащего серебро в количестве, самое большее, 0,19 г на м2 площади поверхности носителя, и, помимо серебра, одну или несколько повышающих селективность легирующих добавок, выбранных из рения, молибдена и вольфрама, или предшественника катализатора, содержащего серебро в катионной форме, с содержащим кислород сырьем при температуре катализатора выше 250°С в течение, по меньшей мере, от 0,5 до 150 ч, и
последующее снижение температуры катализатора до величины, самое большее, 250°С и приведение катализатора в контакт с сырьем, содержащим олефин и кислород.
10. Способ по п.9, в котором олефин представляет собой этилен.
11. Способ по п.9, в котором сырье, содержащее олефин и кислород, дополнительно содержит в качестве реакционного модификатора, органический хлорид и, необязательно, нитрато- или нитритообразующее соединение.
12. Способ получения 1,2-диола, простого эфира 1,2-диола или алканоламина, включающий получение оксида олефина способом эпоксидирования олефина по п.9, и превращение оксида олефина в 1,2-диол, простой эфир 1,2-диола или алканоламин.
RU2005102076/04A 2002-06-28 2003-06-24 Способ улучшения селективности катализатора и способ эпоксидирования олефина RU2314156C2 (ru)

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US39265702P 2002-06-28 2002-06-28
US60/392,657 2002-06-28

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US (1) US7485597B2 (ru)
EP (1) EP1517751B2 (ru)
JP (1) JP4537848B2 (ru)
KR (1) KR100980123B1 (ru)
CN (1) CN100512966C (ru)
AU (1) AU2003243757A1 (ru)
BR (1) BR0312244B1 (ru)
CA (1) CA2491523C (ru)
DE (1) DE60332457D1 (ru)
IN (2) IN2004DE03876A (ru)
MX (1) MX256050B (ru)
RU (1) RU2314156C2 (ru)
TW (1) TWI317651B (ru)
WO (1) WO2004002954A2 (ru)

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