RU2012137266A - Способ получения водного потока при получении эталона - Google Patents
Способ получения водного потока при получении эталона Download PDFInfo
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- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
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Abstract
1. Способ получения водного потока, при этом способ включает:гидрирование потока подаваемого материала уксусной кислоты для получения сырого этанольного продукта; иразделение, по меньшей мере, части сырого этанольного продукта, по меньшей мере, в одной колонне из множества колонн на дистиллят, содержащий этанол, и кубовый остаток, содержащий водный поток;где водный поток по существу свободен от органических примесей, отличных от уксусной кислоты и этанола.2. Способ по п.1, где гидрирование проводят на катализаторе, содержащем комбинацию металлов, выбираемую из группы, состоящей из платины/олова, платины/рутения, платины/рения, палладия/рутения, палладия/рения, кобальта/палладия, кобальта/платины, кобальта/хрома, кобальта/рутения, серебра/палладия, меди/палладия, никеля/палладия, золота/палладия, рутения/рения и рутения/железа.3. Способ получения водного потока, при этом способ включает:получение сырого этанольного продукта, содержащего этанол, воду, этилацетат и уксусную кислоту; иразделение, по меньшей мере, части сырого этанольного продукта, по меньшей мере, в одной колонне из множества колонн на дистиллят, содержащий этанол, и кубовый остаток, содержащий водный поток;где водный поток по существу свободен от органических примесей, отличных от уксусной кислоты и этанола.4. Способ по п.1 или 3, где сырой этанольный продукт содержит этанол в количестве в диапазоне от 5 до 70 мас.%, воду в количестве в диапазоне от 5 до 35 мас.%, уксусную кислоту в количестве в диапазоне от 0 до 90 мас.% и этилацетат в количестве в диапазоне от 0 до 20 мас.%.5. Способ по п.1 или 3, где водный поток содержит:по меньшей мере, 97 мас.% воды;менее чем 0,5 мас.% у�
Claims (27)
1. Способ получения водного потока, при этом способ включает:
гидрирование потока подаваемого материала уксусной кислоты для получения сырого этанольного продукта; и
разделение, по меньшей мере, части сырого этанольного продукта, по меньшей мере, в одной колонне из множества колонн на дистиллят, содержащий этанол, и кубовый остаток, содержащий водный поток;
где водный поток по существу свободен от органических примесей, отличных от уксусной кислоты и этанола.
2. Способ по п.1, где гидрирование проводят на катализаторе, содержащем комбинацию металлов, выбираемую из группы, состоящей из платины/олова, платины/рутения, платины/рения, палладия/рутения, палладия/рения, кобальта/палладия, кобальта/платины, кобальта/хрома, кобальта/рутения, серебра/палладия, меди/палладия, никеля/палладия, золота/палладия, рутения/рения и рутения/железа.
3. Способ получения водного потока, при этом способ включает:
получение сырого этанольного продукта, содержащего этанол, воду, этилацетат и уксусную кислоту; и
разделение, по меньшей мере, части сырого этанольного продукта, по меньшей мере, в одной колонне из множества колонн на дистиллят, содержащий этанол, и кубовый остаток, содержащий водный поток;
где водный поток по существу свободен от органических примесей, отличных от уксусной кислоты и этанола.
4. Способ по п.1 или 3, где сырой этанольный продукт содержит этанол в количестве в диапазоне от 5 до 70 мас.%, воду в количестве в диапазоне от 5 до 35 мас.%, уксусную кислоту в количестве в диапазоне от 0 до 90 мас.% и этилацетат в количестве в диапазоне от 0 до 20 мас.%.
5. Способ по п.1 или 3, где водный поток содержит:
по меньшей мере, 97 мас.% воды;
менее чем 0,5 мас.% уксусной кислоты;
менее чем 0,005 мас.% этанола; и
менее чем 0,001 мас.% этилацетата.
6. Способ по п.1 или 3, где водный поток характеризуется значением рН в диапазоне от 2,99 до 3,35.
7. Способ по п.1 или 3, где органические примеси выбирают из группы, состоящей из этилацетата, ацетальдегида, ацетона, ацеталя и их смесей.
8. Способ по п.1 или 3, где, по меньшей мере, одна колонна характеризуется температурой основания в диапазоне от 70 до 110°С.
9. Способ по п.1 или 3, где, по меньшей мере, одна колонна характеризуется температурой основания, равной, по меньшей мере, 102°С.
10. Способ по п.1 или 3, где разделение дополнительно включает:
разделение, по меньшей мере, части сырого этанольного продукта в первой колонне из множества колонн на первый дистиллят, содержащий этанол, воду и этилацетат, и первый кубовый остаток, содержащий уксусную кислоту;
разделение, по меньшей мере, части первого дистиллята во второй колонне из множества колонн на второй дистиллят, содержащий этилацетат, и второй кубовый остаток, содержащий этанол и воду; и
разделение, по меньшей мере, части второго кубового остатка в третьей колонне из множества колонн на третий дистиллят, содержащий этанол, и третий кубовый остаток, содержащий водный поток.
11. Способ по п.10, где второй колонной является колонна экстракционной дистилляции, в которой используют экстрагирующий агент.
12. Способ по п.10, где, по меньшей мере, часть водного потока направляют во вторую колонну.
13. Способ по п.10, где одна из множества колонн представляет собой скруббер.
14. Способ по п.13, где водный поток направляют в скруббер.
15. Способ получения водного потока, при этом способ включает:
гидрирование уксусной кислоты для получения сырого этанольного продукта; и
разделение, по меньшей мере, части сырого этанольного продукта, по меньшей мере, в одной колонне из множества колонн на дистиллят, содержащий этанол, и кубовый остаток, содержащий водный поток;
где водный поток содержит:
по меньшей мере, 97 мас.% воды;
менее чем 0,5 мас.% уксусной кислоты;
менее чем 0,005 мас.% этанола; и
менее чем 0,001 мас.% этилацетата.
16. Способ получения водного потока, при этом способ включает:
получение сырого этанольного продукта, содержащего этанол, воду, этилацетат и уксусную кислоту; и
разделение, по меньшей мере, части сырого этанольного продукта, по меньшей мере, в одной колонне из множества колонн на дистиллят, содержащий этанол, и кубовый остаток, содержащий водный поток;
где водный поток содержит:
по меньшей мере, 97 мас.% воды;
менее чем 0,5 мас.% уксусной кислоты;
менее чем 0,005 мас.% этанола; и
менее чем 0,001 мас.% этилацетата.
17. Способ по п.15 или 16, где сырой этанольный продукт содержит этанол в количестве в диапазоне от 5 до 70 мас.%, воду в количестве в диапазоне от 5 до 35 мас.%, уксусную кислоту в количестве в диапазоне от 0 до 90 мас.% и этилацетат в количестве в диапазоне от 0 до 20 мас.%.
18. Способ по п.15 или 16, где водный поток характеризуется значением рН в диапазоне от 2,99 до 3,35.
19. Способ по п.15 или 16, где органические примеси выбирают из группы, состоящей из этилацетата, ацетальдегида, ацетона, ацеталя и их смесей.
20. Способ по п.15 или 16, где, по меньшей мере, одна колонна характеризуется температурой основания в диапазоне от 70 до 110°С.
21. Способ по п.15 или 16, где, по меньшей мере, одна колонна характеризуется температурой основания, равной, по меньшей мере, 102°С.
22. Способ по п.15 или 16, где разделение дополнительно включает:
разделение, по меньшей мере, части сырого этанольного продукта в первой колонне из множества колонн на первый дистиллят, содержащий этанол, воду и этилацетат, и первый кубовый остаток, содержащий уксусную кислоту;
разделение, по меньшей мере, части первого дистиллята во второй колонне из множества колонн на второй дистиллят, содержащий этилацетат, и второй кубовый остаток, содержащий этанол и воду; и
разделение, по меньшей мере, части второго кубового остатка в третьей колонне из множества колонн на третий дистиллят, содержащий этанол, и третий кубовый остаток, содержащий водный поток.
23. Способ по п.22, где сырой этанольный продукт содержит этанол в количестве в диапазоне от 5 до 70 мас.%, воду в количестве в диапазоне от 5 до 35 мас.%, уксусную кислоту в количестве в диапазоне от 0 до 90 мас.% и этилацетат в количестве в диапазоне от 0 до 20 мас.%.
24. Способ по п.22, где водный поток характеризуется значением рН в диапазоне от 2,99 до 3,35.
25. Способ по п.22, где органические примеси выбирают из группы, состоящей из этилацетата, ацетальдегида, ацетона, ацеталя и их смесей.
26. Способ по п.22, где, по меньшей мере, одна колонна характеризуется температурой основания в диапазоне от 70 до 110°С.
27. Способ по п.22, где, по меньшей мере, одна колонна характеризуется температурой основания, равной, по меньшей мере, 102°С.
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Application Number | Priority Date | Filing Date | Title |
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US30081510P | 2010-02-02 | 2010-02-02 | |
US61/300,815 | 2010-02-02 | ||
US33269610P | 2010-05-07 | 2010-05-07 | |
US33272810P | 2010-05-07 | 2010-05-07 | |
US33269910P | 2010-05-07 | 2010-05-07 | |
US61/332,728 | 2010-05-07 | ||
US61/332,699 | 2010-05-07 | ||
US61/332,696 | 2010-05-07 | ||
US34634410P | 2010-05-19 | 2010-05-19 | |
US61/346,344 | 2010-05-19 | ||
US12/852,297 | 2010-08-06 | ||
US12/852,297 US8222466B2 (en) | 2010-02-02 | 2010-08-06 | Process for producing a water stream from ethanol production |
PCT/US2011/023308 WO2011097211A2 (en) | 2010-02-02 | 2011-02-01 | Process for producing a water stream from ethanol production |
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RU2012137190/04A RU2012137190A (ru) | 2010-02-02 | 2011-02-01 | Способ получения этанола при использовании колонны экстракционной дистилляции |
RU2012137266/04A RU2012137266A (ru) | 2010-02-02 | 2011-02-01 | Способ получения водного потока при получении эталона |
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RU2702737C2 (ru) * | 2014-06-17 | 2019-10-10 | Бп Кемикэлз Лимитед | Способ и оборудование для обработки отходящих газов на установке получения уксусной кислоты |
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US9126125B2 (en) | 2010-07-09 | 2015-09-08 | Celanese International Corporation | Reduced energy alcohol separation process having water removal |
US8884080B2 (en) | 2010-07-09 | 2014-11-11 | Celanese International Corporation | Reduced energy alcohol separation process |
US8536384B2 (en) | 2010-07-09 | 2013-09-17 | Celanese International Corporation | Recovering ethanol sidedraw by separating crude product from hydrogenation process |
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