RU2020132505A - Адсорбирующие композиции для удаления монооксида углерода - Google Patents

Адсорбирующие композиции для удаления монооксида углерода Download PDF

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RU2020132505A
RU2020132505A RU2020132505A RU2020132505A RU2020132505A RU 2020132505 A RU2020132505 A RU 2020132505A RU 2020132505 A RU2020132505 A RU 2020132505A RU 2020132505 A RU2020132505 A RU 2020132505A RU 2020132505 A RU2020132505 A RU 2020132505A
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RU2020132505A
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Артем Д. ВИТЮК
Линда ХРАТКО
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Басф Корпорейшн
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Claims (34)

1. Адсорбирующая композиция, способная удалять СО из технологического потока при температуре ниже 100°C, при этом композиция содержит один или несколько оксидов меди и один или несколько оксидов железа.
2. Композиция по п. 1, отличающаяся тем, что массовое соотношение одного или нескольких оксидов меди к одному или нескольким оксидам железа составляет от около 20/80 до около 80/20.
3. Композиция по п. 1, содержащая от около 0,2 мас.% до около 99,8 мас.% одного или нескольких оксидов меди в расчете на общую массу композиции.
4. Композиция по п. 1, содержащая от около 0,2 мас.% до около 99,8 мас.% одного или нескольких оксидов железа в расчете на общую массу композиции.
5. Композиция по п. 1, дополнительно содержащая носитель или наполнитель.
6. Композиция по п. 5, отличающаяся тем, что носитель или наполнитель выбран из группы, состоящей из оксида алюминия, диоксида кремния, оксида магния, диоксида циркония, алюмосиликатов, глин, молекулярных сит, активированных углей и их комбинаций.
7. Композиция по п. 1, дополнительно содержащая от около 0,1 мас.% до около 10,0 мас.% ZnO в расчете на общую массу композиции.
8. Композиция по п. 1, при этом композиция по существу не содержит ZnO.
9. Композиция по п. 1, дополнительно содержащая один или несколько промоторов, выбранных из группы, состоящей из калия, натрия, марганца, хрома, кобальта, вольфрама, молибдена, никеля, магния и кальция.
10. Композиция по п. 9, отличающаяся тем, что один или несколько промоторов присутствуют в количестве от около 0,05 мас.% до около 5,0 мас.% в расчете на общую массу композиции.
11. Композиция по п. 1, отличающаяся тем, что композиция находится в форме, выбранной из группы, состоящей из таблеток, брикетов, колец, звездочек, вагонных колес, экструдатов, стержней, цилиндров и гранул.
12. Композиция по п. 1, отличающаяся тем, что композиция находится в форме, выбранной из группы, состоящей из таблеток, брикетов, цилиндров и гранул, имеющих средний наибольший диаметр от около 1 мм до около 25 мм.
13. Композиция по любому из пп. 1-12, отличающаяся тем, что эффективность удаления СО композицией в ≥1,5 раза выше, чем у адсорбирующей композиции, содержащей 40 мас.% CuO, 40 мас.% ZnO и 19,9 мас.% оксида алюминия, при введении в контакт технологического потока, содержащего СО с композициями при температуре около 30°С в идентичных условиях.
14. Способ получения композиции по любому из пп. 1-13, включающий:
приготовление раствора, содержащего соли меди и железа;
осаждение твердых частиц из раствора;
выделение и сушку твердых частиц; и
прокаливание высушенных твердых веществ.
15. Способ по п. 14, дополнительно включающий последующую формовку высушенных прокаленных твердых частиц.
16. Способ по п. 14, дополнительно включающий формовку высушенных твердых частиц перед стадией прокаливания.
17. Способ по п. 14, дополнительно включающий последующую формовку высушенных прокаленных твердых частиц с образованием формованных твердых частиц и прокаливание формованных твердых частиц.
18. Способ по п. 14, отличающийся тем, что стадию или стадии прокаливания проводят при температуре от около 250°С до около 700°С в течение периода времени от около 0,1 ч до около 12 ч.
19. Способ по п. 15, отличающийся тем, что стадия формовки включает экструзию, таблетирование или гранулирование.
20. Способ по любому из пп. 14-19, дополнительно включающий добавление носителя к раствору, содержащему соли меди и железа.
21. Способ удаления СО из газообразного или жидкого технологического потока, включающий контактирование потока с адсорбирующей композицией по любому из пп. 1-13.
22. Способ по п. 21, отличающийся тем, что технологический поток представляет собой углеводородный поток.
23. Способ по п. 21, отличающийся тем, что технологический поток представляет собой поток олефинов.
24. Способ по п. 21, отличающийся тем, что технологический поток представляет собой поток пропилена или этилена.
25. Способ по п. 21, отличающийся тем, что контактирование проводят при температуре от около 0°C до около 110°C.
26. Способ по п. 21, отличающийся тем, что контактирование проводят при давлении от около 1 бар до около 80 бар.
27. Способ по п. 21, отличающийся тем, что скорость течения газообразного технологического потока над адсорбирующей композицией во время контактирования составляет от около 1000 ч-1 до около 5000 ч-1, а скорость течения жидкого технологического потока над адсорбирующей композицией составляет от около 1 ч-1 до около 10 ч-1.
28. Способ по п. 21, отличающийся тем, что технологический пар представляет собой поток олефинов, в котором во время контактирования окисляется ≤1000 ppm по массе олефинов.
29. Способ по любому из пп. 21-28, отличающийся тем, что эффективность удаления СО из технологического потока при температуре контактирования около 30°С в ≥1,5 раза выше, чем у адсорбирующей композиции, содержащей 40 мас.% CuO, 40 мас.% ZnO и 19,9 мас.% оксида алюминия, в идентичных условиях.
30. Способ по п. 29, отличающийся тем, что адсорбирующая композиция, содержащая оксиды меди и оксиды железа, и адсорбирующая композиция, содержащая 40 мас.% CuO, 40 мас.%, ZnO и 19,9 мас.% оксида алюминия, имеют одинаковую форму.
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