RU2014120466A - Способы и системы для раздельного, параллельного бромирования метана и высших алканов - Google Patents
Способы и системы для раздельного, параллельного бромирования метана и высших алканов Download PDFInfo
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Abstract
1. Способ, основанный на использовании брома для превращения алканов в жидкие углеводороды, включающий:бромирование потока метана, включающего метан и содержащего меньше, чем примерно 2 моль.% этана, с образованием продуктов бромирования метана, включающих бромированный метан и первую фракцию бромистого водорода;раздельное бромирование потока С2+ алканов, включающего алкан, имеющий 2 или больше атомов углерода, с образованием С2+ продуктов бромирования метана, включающих бромированные алканы, имеющие 2 или больше атомов углерода и вторую фракцию бромистого водорода; икаталитически взаимодействующую по меньшей мере часть бромированного метана и бромированных алканов с образованием высокомолекулярных углеводородов.2. Способ по п. 1, в котором стадия бромирования потока метана происходит при температуре выше, чем примерно 400ºC.3. Способ по п. 1, в котором стадия раздельного бромирования потока С2+ алканов происходит при температуре в диапазоне от примерно 250ºC до примерно 450ºC.4. Способ по п. 1, в котором стадия бромирования потока метана происходит при температуре в диапазоне от примерно 490ºC до примерно 570ºC и в котором стадия раздельного бромирования потока С2+ алканов происходит при температуре в диапазоне от примерно 250ºC до примерно 375ºC.5. Способ по п. 1, в котором бромирование потока метана приводит к селективности по моно-броммeтану для бромированных C1алканов по меньшей мере примерно 90 моль.%.6. Способ по п. 1, в котором отношение метана к брому на стадии бромирования потока метана составляет по меньшей мере примерно 2,5:1 и в котором отношение С2+ алкана к брому на стадии бромирования потока С2+ алканов находится в диапаз�
Claims (20)
1. Способ, основанный на использовании брома для превращения алканов в жидкие углеводороды, включающий:
бромирование потока метана, включающего метан и содержащего меньше, чем примерно 2 моль.% этана, с образованием продуктов бромирования метана, включающих бромированный метан и первую фракцию бромистого водорода;
раздельное бромирование потока С2+ алканов, включающего алкан, имеющий 2 или больше атомов углерода, с образованием С2+ продуктов бромирования метана, включающих бромированные алканы, имеющие 2 или больше атомов углерода и вторую фракцию бромистого водорода; и
каталитически взаимодействующую по меньшей мере часть бромированного метана и бромированных алканов с образованием высокомолекулярных углеводородов.
2. Способ по п. 1, в котором стадия бромирования потока метана происходит при температуре выше, чем примерно 400ºC.
3. Способ по п. 1, в котором стадия раздельного бромирования потока С2+ алканов происходит при температуре в диапазоне от примерно 250ºC до примерно 450ºC.
4. Способ по п. 1, в котором стадия бромирования потока метана происходит при температуре в диапазоне от примерно 490ºC до примерно 570ºC и в котором стадия раздельного бромирования потока С2+ алканов происходит при температуре в диапазоне от примерно 250ºC до примерно 375ºC.
5. Способ по п. 1, в котором бромирование потока метана приводит к селективности по моно-броммeтану для бромированных C1
алканов по меньшей мере примерно 90 моль.%.
6. Способ по п. 1, в котором отношение метана к брому на стадии бромирования потока метана составляет по меньшей мере примерно 2,5:1 и в котором отношение С2+ алкана к брому на стадии бромирования потока С2+ алканов находится в диапазоне от примерно 1,33:1 до примерно 2,5:1.
7. Способ по п. 1, в котором стадия раздельного бромирования потока С2+ алканов включает:
раздельное бромирование потока этана, содержащего этан, для образования потока бромированного этана, содержащего бромированный этан и третью фракцию бромистого водорода; и
раздельное бромирование потока С3+ алканов, содержащего пропан и бутан, для образования потока С2+ продукта бромирования метана, бромированные алканы, имеющие 2 или больше атомов углерода, содержащие бромированный пропан и бромированный бутан.
8. Способ по п. 7, в котором поток этана включает алканы, имеющие 3 или больше атомов углерода в количестве меньше, чем примерно 1 моль.%.
9. Способ по п. 7, в котором время контакта в реакторе бромирования метана для стадии бромирования потока метана находится в диапазоне от примерно 15 с до примерно 60 с, время контакта в реакторе бромирования этана для стадии бромирования потока этана находится в диапазоне от примерно 15 с до примерно 45 с и время контакта в реакторе бромирования С3+ на стадии бромирования потока С3+ алканов находится в диапазоне от примерно 15 с до примерно 45 с.
10. Способ по п. 1, в котором поток С2+ алканов содержит пропан и бутан, и при этом этан отделяется от потока метана и потока С2+ алканов для использования в качестве топлива.
11. Способ по п. 1, в котором более высокомолекулярные углеводороды содержат углеводороды, имеющие 5 или больше атомов углерода.
12. Способ по п. 1, включающий получение элементарного брома из первой, второй и третьей фракций бромистого водорода, при этом элементарный бром направляется в рецикл для использования на стадии бромирования потока метана и бромирования потока С2+ алканов.
13. Способ по п. 1, в котором стадия получения элементарного брома включает адсорбирование первой, второй и третьей фракций бромистого водорода водным потоком и окисление получающегося потока для образования элементарного брома.
14. Способ по п. 1, дополнительно включающий отделение потока С2+ алканов от потока, включающего более высокомолекулярные углеводороды.
15. Способ превращения алканов в жидкие углеводороды, основанный на использовании брома, включающий:
бромирование потока метана в реакторе бромирования для образования продуктов бромирования метана, включающих бромированный метан и первую фракцию бромистого водорода, поток метана, включающий метан и содержащий меньше, чем примерно 1 моль.% этана, и меньше, чем примерно 0,10 моль.% углеводородов, имеющих 3 или больше атомов углерода;
раздельное бромирование потока С2+ алканов в реакторе бромирования С2+ для образования продуктов бромирования С2+
метана, содержащего бромированные алканы, имеющие 2 или больше атомов углерода, и вторую фракцию бромистого водорода, поток С2+ алканов, включающий этан, пропан и бутан; и
каталитически взаимодействующую по меньшей мере часть бромированного метана и бромированных алканов в реакторе синтеза для образования более высокомолекулярных углеводородов и третью фракцию бромистого водорода.
16. Способ по п. 15, дополнительно включающий:
подачу газового потока реакционной смеси и потока, выходящего из реактора синтеза, в установку удаления HBr, газовый поток реакционной смеси, включающий более низкомолекулярные углеводороды, выходящий поток, включающий более высокомолекулярные углеводороды и первую, вторую и третью фракции бромистого водорода;
извлечение метана из установки удаления HBr и рециркулирование по меньшей мере части метана в реактор бромирования через поток метана;
извлечение этана и пропана из установки удаления HBr и рециркулирование по меньшей мере части этана и пропана в реактор бромирования С2+ через поток бромирования С2+;
извлечение потока жидкого продукта из установки удаления HBr, поток жидкого продукта, включающий углеводороды, имеющие 4 или больше атомов углерода; и
извлечение потока HBr из установки удаления HBr, поток HBr, включающий первую, вторую и третью фракции бромистого водорода.
17. Способ по п. 16, дополнительно включающий окисление потока HBr для образования элементарного брома и рециркуляцию элементарного брома в реактор бромирования и реактор бромирования С2+.
18. Способ по п. 15, в котором стадия бромирования потока метана происходит при температуре в диапазоне от примерно 490ºC до примерно 570ºC, в котором стадия отдельного бромирования потока С2+ алканов происходит при температуре в диапазоне от примерно 250ºC до примерно 375ºC, при этом в результате бромирования потока метана селективность образования моно-бромметана для бромированных алканов составляет по меньшей мере примерно 90 моль.%, при этом отношение метана к брому на стадии бромирования потока метана по меньшей мере примерно 2,5:1, и при этом отношение С2+ алкана к брому на стадии бромирования потока С2+ алканов находится в диапазоне от примерно 1,33:1 до примерно 2,5:1.
19. Система для превращения алканов в жидкие углеводороды, включающая:
первый реактор бромирования, спроектированный для бромирования метана для получения потока продукта бромирования метана, включающего бромированный метан и первую фракцию бромистого водорода;
второй реактор бромирования, спроектированный для бромирования С2+ углеводородов для получения потока продукта бромирования С2+, включающего бромированные углеводороды, содержащие 2 или больше алканов, и бромистый водород; и
реактор синтеза, спроектированный для каталитического взаимодействия бромированного метана и бромированных углеводородов для получения высокомолекулярных углеводородов и третьей фракции бромистого водорода.
20. Система по п. 19, дополнительно включающая:
установку разделения HBr, спроектированную для отделения первой, второй и третьей фракций HBr от высокомолекулярных углеводородов; и
установку окисления, спроектированную для окисления HBr с получением элементарного брома.
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US201161550059P | 2011-10-21 | 2011-10-21 | |
US61/550,059 | 2011-10-21 | ||
US13/647,002 US8802908B2 (en) | 2011-10-21 | 2012-10-08 | Processes and systems for separate, parallel methane and higher alkanes' bromination |
US13/647,002 | 2012-10-08 | ||
PCT/US2012/060258 WO2013059124A1 (en) | 2011-10-21 | 2012-10-15 | Processes and systems for separate, parallel methane and higher alkanes' bromination |
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US8829256B2 (en) | 2011-06-30 | 2014-09-09 | Gtc Technology Us, Llc | Processes and systems for fractionation of brominated hydrocarbons in the conversion of natural gas to liquid hydrocarbons |
US9193641B2 (en) | 2011-12-16 | 2015-11-24 | Gtc Technology Us, Llc | Processes and systems for conversion of alkyl bromides to higher molecular weight hydrocarbons in circulating catalyst reactor-regenerator systems |
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-
2012
- 2012-10-08 US US13/647,002 patent/US8802908B2/en active Active
- 2012-10-15 JP JP2014537140A patent/JP2014530858A/ja active Pending
- 2012-10-15 RU RU2014120466/04A patent/RU2014120466A/ru not_active Application Discontinuation
- 2012-10-15 WO PCT/US2012/060258 patent/WO2013059124A1/en active Application Filing
- 2012-10-15 CA CA2853069A patent/CA2853069A1/en not_active Abandoned
- 2012-10-15 AU AU2012326406A patent/AU2012326406A1/en not_active Abandoned
- 2012-10-15 CN CN201280062005.6A patent/CN104160001A/zh active Pending
- 2012-10-15 SG SG11201401652VA patent/SG11201401652VA/en unknown
- 2012-10-15 MX MX2014004854A patent/MX2014004854A/es unknown
- 2012-10-15 EP EP12841904.1A patent/EP2768929A4/en not_active Withdrawn
- 2012-10-15 KR KR20147013381A patent/KR20150000460A/ko not_active Application Discontinuation
- 2012-10-15 BR BR112014009625A patent/BR112014009625A2/pt not_active Application Discontinuation
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WO2013059124A1 (en) | 2013-04-25 |
JP2014530858A (ja) | 2014-11-20 |
BR112014009625A2 (pt) | 2017-05-09 |
ZA201403474B (en) | 2015-07-29 |
EP2768929A1 (en) | 2014-08-27 |
US20130102821A1 (en) | 2013-04-25 |
US8802908B2 (en) | 2014-08-12 |
SG11201401652VA (en) | 2014-05-29 |
KR20150000460A (ko) | 2015-01-02 |
AU2012326406A1 (en) | 2014-06-05 |
CN104160001A (zh) | 2014-11-19 |
CA2853069A1 (en) | 2013-04-25 |
EP2768929A4 (en) | 2015-06-24 |
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