RU2006114748A - Носители из диоксида титана для катализаторов процесса фишера-тропша - Google Patents

Носители из диоксида титана для катализаторов процесса фишера-тропша Download PDF

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RU2006114748A
RU2006114748A RU2006114748/04A RU2006114748A RU2006114748A RU 2006114748 A RU2006114748 A RU 2006114748A RU 2006114748/04 A RU2006114748/04 A RU 2006114748/04A RU 2006114748 A RU2006114748 A RU 2006114748A RU 2006114748 A RU2006114748 A RU 2006114748A
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catalyst
titanium dioxide
compound
carrier
crystalline titanium
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RU2006114748/04A
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Рональд Ян ДОГТЕРОМ (NL)
Рональд Ян ДОГТЕРОМ
Маринус Йоханнес РЕЙНХОУТ (NL)
Маринус Йоханнес Рейнхоут
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Шелл Интернэшнл Рисерч Маатсаппий Б.В. (Nl)
Шелл Интернэшнл Рисерч Маатсаппий Б.В.
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Publication of RU2006114748A publication Critical patent/RU2006114748A/ru

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Claims (14)

1. Формованный носитель катализатора, содержащий кристаллический диоксид титана, в котором, по меньшей мере, 50 мас.% кристаллического диоксида титана присутствует в виде брукита, и в котором носитель включает в себя между 40 и 100 мас.% кристаллического диоксида титана, в расчете на суммарную массу носителя, предпочтительно между 70 и 100 мас.%, причем формованный носитель катализатора не представляет собой покрытый носитель катализатора.
2. Носитель по п.1, в котором, по меньшей мере, 60 мас.% кристаллического диоксида титана присутствуют в виде брукита.
3. Носитель по пп.1 и 2, в котором кристаллический диоксид титана имеет содержание брукита не более 90 мас.%, предпочтительно не более 80 мас.%.
4. Носитель по любому пп.1 и 2, в котором кристаллический диоксид титана присутствует в виде рутила в диапазоне от 0 до 50 мас.%, предпочтительно в диапазоне от 5 до 30 мас.%, и в котором кристаллический диоксид титана присутствует в виде анатаза в диапазоне от 0 до 10 мас.%, предпочтительно в диапазоне от 0 до 5 мас.%.
5. Носитель по любому пп.1 и 2, в котором размер первичных частиц брукита находится в диапазоне от 10 до 100 нм, предпочтительно от 20 до 70 нм.
6. Носитель по любому пп.1 и 2, в котором также присутствует связующий агент, предпочтительно диоксид кремния, оксид алюминия или их сочетание, и в котором связующий агент составляет от 0 до 20% от массы носителя, предпочтительно от 0 до 10 мас.%.
7. Катализатор или предшественник катализатора, содержащий металл VIII группы или соединение металла VIII группы, и носитель по пп.1-6, причем элемент VIII группы предпочтительно представляет собой Ru, Fe, Co или Ni, более предпочтительно Со.
8. Катализатор или предшественник катализатора по п.7, который дополнительно содержит один или несколько металлов или соединений металлов из групп IIa, IIIb, IVb, Vb и VIb, предпочтительно марганец и оксид циркония, или который дополнительно содержит один или несколько металлов из VIIb или VIII групп, предпочтительно рений, платину и палладий.
9. Способ получения формованного носителя катализатора по пп.1-6 путем распылительной сушки, прессования, экструзии или другого воздействия на гранулированный или порошкообразный материал катализатора с получением различных форм, предпочтительно путем экструзии.
10. Способ получения катализатора или предшественника катализатора по любому пп.7-8, путем пропитывания или осадительного покрытия формованного носителя катализатора по пп.1-9 из раствора одной или нескольких солей металла, с последующей сушкой и прокаливанием.
11. Способ получения катализатора или предшественника катализатора по п.7 или 8, который включает в себя стадии
(a) смешивание (1) диоксида титана, в котором, по меньшей мере, 50 мас.% кристаллического диоксида титана присутствует в виде брукита, (2) жидкости и
(3) соединения металла из группы VIII, которое, по меньшей мере, частично не растворимо в использованном количестве жидкости, с образованием смеси,
(b) формование и сушка полученной таким образом смеси, и
(c) прокаливание смеси, полученной таким образом.
12. Способ по п.11, в котором соединение металла из группы VIII представляет собой соединение, содержащее металлический кобальт, соединение, содержащее гидроксид кобальта или оксид кобальта, предпочтительно соединение, содержащее Со(ОН)2 или Со3O4, и в котором соединение, содержащее кобальт, дополнительно содержит соединение элемента из группы IVb и/или группы VIIb, предпочтительно соединение циркония, марганца или рения.
13. Активированный катализатор, подходящий для производства углеводородов, который получают путем восстановления водородом при повышенной температуре катализатора или предшественника катализатора по п.7 или 8.
14. Способ получения углеводородов, который включает в себя контактирование смеси монооксида углерода и водорода с катализатором по п.13, необязательно с последующей гидроизомеризацией/гидрокрекингом полученного углеводородного продукта, для того, чтобы получить продукты среднего дистиллята.
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