RU2016111731A - Способ получения синтез-газа из углеводородсодержащего сырьевого газа обогащенного co2 - Google Patents
Способ получения синтез-газа из углеводородсодержащего сырьевого газа обогащенного co2 Download PDFInfo
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- RU2016111731A RU2016111731A RU2016111731A RU2016111731A RU2016111731A RU 2016111731 A RU2016111731 A RU 2016111731A RU 2016111731 A RU2016111731 A RU 2016111731A RU 2016111731 A RU2016111731 A RU 2016111731A RU 2016111731 A RU2016111731 A RU 2016111731A
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- Prior art keywords
- gas
- synthesis gas
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- partial
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- 230000015572 biosynthetic process Effects 0.000 title claims 33
- 238000003786 synthesis reaction Methods 0.000 title claims 33
- 238000004519 manufacturing process Methods 0.000 title claims 4
- 239000002994 raw material Substances 0.000 title claims 4
- 239000007789 gas Substances 0.000 claims 41
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 18
- 238000000034 method Methods 0.000 claims 16
- 229930195733 hydrocarbon Natural products 0.000 claims 7
- 150000002430 hydrocarbons Chemical class 0.000 claims 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 7
- 239000012043 crude product Substances 0.000 claims 6
- 238000005406 washing Methods 0.000 claims 6
- 238000010926 purge Methods 0.000 claims 4
- 238000000629 steam reforming Methods 0.000 claims 4
- 239000004215 Carbon black (E152) Substances 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 3
- 229910052739 hydrogen Inorganic materials 0.000 claims 3
- 239000001257 hydrogen Substances 0.000 claims 3
- 230000003647 oxidation Effects 0.000 claims 3
- 238000007254 oxidation reaction Methods 0.000 claims 3
- 239000000047 product Substances 0.000 claims 3
- 238000001179 sorption measurement Methods 0.000 claims 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 2
- 239000000446 fuel Substances 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229910052717 sulfur Inorganic materials 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000013021 overheating Methods 0.000 claims 1
- 239000007800 oxidant agent Substances 0.000 claims 1
- 150000003464 sulfur compounds Chemical class 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
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- C01B3/48—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents followed by reaction of water vapour with carbon monoxide
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- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
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Claims (15)
1. Способ получения синтез-газа из углеводородсодержащего сырьевого газа (NG) обогащенного CO2,
в котором обеспечивают углеводородсодержащий сырьевой газ (NG) обогащенный CO2,
и на стадии получения синтез-газа (50) путем частичного окисления (50) и/или парового риформинга (50) превращают в синтез-газ, содержащий H2 и CO, отличающийся тем, что до подачи сырьевого газа (NG) на стадию получения синтез-газа (50) из него удаляют по меньшей мере CO2 путем промывки (10) сырьевого газа промывным агентом, причем при промывке (10) получают поток (K), обогащенный CO2, имеющий давление в диапазоне от 20 бар до 100 бар, и причем поток, обогащенный CO2, используют как сырье для синтеза и/или используют для стимуляции добычи нефти, причем поток (K), обогащенный CO2, закачивают в нефтяное месторождение (E) для повышения давления в нефтяном месторождении (E).
2. Способ по п.1, отличающийся тем, что сырьевой газ (NG) пропускают через адсорбционную установку (30) ниже по потоку стадии промывки (10), причем одно или несколько соединений серы, еще присутствующих в сырьевом газе (NG), адсорбируют в адсорбционной установке (30) и тем самым удаляют их из сырьевого газа (NG).
3. Способ по любому из пп.1-2, отличающийся тем, что полученный синтез-газ (50) разделяют на первый и второй частичный потоки (S, S'), причем первый частичный поток синтез-газа (S) используют как сырье для синтеза (80, 81), а второй частичный поток синтез-газа (S') подвергают реакции сдвига водяного газа (120), при этом CO из второго частичного потока синтез-газа (S') подвергают взаимодействию с H2O с образованием H2 и CO2 для снижения содержания CO во втором частичном потоке синтез-газа (S') и повышения содержания водорода во втором частичном потоке синтез-газа (S').
4. Способ по по любому из пп.1-2, отличающийся тем, что величину снижения содержания CO2 в сырьевом газе (NG) при промывке (10) устанавливают в зависимости от дальнейшего применения синтез-газа (80, 81), предусмотренного после получения синтез-газа (50), и/или в зависимости от желаемого отношения количества CO к H2 в синтез-газе.
5. Способ по п. 3, отличающийся тем, что второй частичный поток синтез-газа (S1) после реакции сдвига водяного газа (120) подвергают адсорбции при переменном давлении (121), где CO2, содержащийся во втором частичном потоке синтез-газа (S'), адсорбируют в адсорбере (122) при первом значении давлении и формируют поток (W), содержащий H2, причем регенерацию адсорбера (122) проводят при втором значении давлении, которое ниже первого значения давления, при этом адсорбированный CO2 десорбируют, и где адсорбер (122) для удаления десорбированного CO2 продувают водородом с образованием содержащего H2 потока продувочного газа (T).
6. Способ по п. 5, отличающийся тем, что поток продувочного газа (T) использует в качестве топливо, где продувочный газ (T) сжигают в печи (51) для осуществления парового риформинга (50) и/или где продувочный газ (T) сжигают в сжигательной печи (52) для генерации водяного пара и/или получения перегретого водяного.
7. Способ по любому из пп.1-2, отличающийся тем, что кислород выделяют из воздуха (L) криогенным способом (20) и используют как окислитель при частичном окислении (50), причем кислород добавляют в сырьевой газ (NG) по потоку ниже промывки (10), ниже по потоку адсорбционной установки (30), но выше по потоку стадии получения синтез-газа (50).
8. Способ по п. 3, отличающийся тем, что синтез является синтезом Фишера-Тропша (80), причем первый частичный поток синтез-газа (S') в ходе процессе Фишера-Тропша (80) формирует сырой продуктовый поток (R), который содержит легкие углеводороды с числом атомов углерода четыре или менее, тяжелые углеводороды с пятью или более атомами углерода, а также непрореагировавший синтез-газ.
9. Способ по п. 8, отличающийся тем, что остаточный газ (F), содержащий легкие углеводороды, а также непрореагировавший синтез-газ отделяют от сырого продуктового потока (R) (90) и по меньшей мере частично возвращают в процесс Фишера-Тропша (80) в качестве сырья, причем часть (F') остаточного газа (F) возвращают в качестве сырья на паровой риформинг (50) и/или частичное окисление (50) и/или используют как топливо (140).
10. Способ по п. 5 или 9, отличающийся тем, что водород из содержащего H2 потока (W) используют для гидрирования тяжелых углеводородов из сырого продуктового потока (R), при этом сырой продуктовый поток (R) разделяют соответственно на один или несколько углеводородсодержащих продуктовых потоков (P).
11. Способ по п. 3, отличающийся тем, что синтез является синтезом метанола (81), причем первый частичный поток синтез-газа (S) превращают в процессе синтеза метанола (81) в содержащий метанол сырой продуктовый поток (R').
12. Способ по п. 11, отличающийся тем, что метанол, содержащийся в сыром продуктовом потоке (R'), отделяют от содержащегося в сыром продуктовом потоке (R') непрореагировавшего синтез-газа (S") с образованием метанольного продуктового потока (P') (91), причем отделенный непрореагировавший синтез-газ (S") возвращают в качестве сырья на синтез метанола (81).
13. Способ по любому из пп.1-2, отличающийся тем, что синтез-газ, полученный на стадии получения синтез-газа (50), охлаждают водой (B), при этом генерируют водяной пар (D), который используют для выработки электроэнергии (60), причем осуществляют перегрев водяного пара (D) в печи (51) для осуществления парового риформинга (50) или в иной печи для сжигания (52), после чего используют для выработки электроэнергии в паровой турбине (61).
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DE102015004214.9A DE102015004214A1 (de) | 2015-03-31 | 2015-03-31 | Verfahren zur Erzeugung von Synthesegas aus einem CO2-reichen, kohlenwasserstoffhaltigen Einsatzgas |
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US (1) | US20170022057A1 (ru) |
EP (1) | EP3075703A1 (ru) |
CA (1) | CA2921592A1 (ru) |
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US4098339A (en) * | 1976-06-21 | 1978-07-04 | Mobil Oil Corporation | Utilization of low BTU natural gas |
AU2004234588B2 (en) * | 2003-05-02 | 2009-04-09 | Johnson Matthey Plc | Production of hydrocarbons by steam reforming and Fischer-Tropsch reaction |
WO2007009984A1 (en) * | 2005-07-20 | 2007-01-25 | Shell Internationale Research Maatschappij B.V. | Preparation of syngas |
FR2904830B1 (fr) | 2006-08-08 | 2012-10-19 | Inst Francais Du Petrole | Procede de production de gaz de synthese avec oxydation partielle et vaporeformage |
AU2010203725B2 (en) * | 2009-01-07 | 2012-08-09 | Shell Internationale Research Maatschappij B.V. | Method for recovering a natural gas contaminated with high levels of CO2 |
BR112012017633B1 (pt) | 2010-01-19 | 2021-10-13 | Haldor Topsoe A/S | Processo para a produção de gás de síntese a partir de uma carga de alimentação de hidrocarbonetos |
US8287763B2 (en) | 2010-10-28 | 2012-10-16 | Air Products And Chemicals, Inc. | Steam-hydrocarbon reforming with limited steam export |
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2015
- 2015-03-31 DE DE102015004214.9A patent/DE102015004214A1/de not_active Withdrawn
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2016
- 2016-02-16 EP EP16000386.9A patent/EP3075703A1/de not_active Withdrawn
- 2016-02-22 CA CA2921592A patent/CA2921592A1/en not_active Abandoned
- 2016-03-02 US US15/058,182 patent/US20170022057A1/en not_active Abandoned
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CA2921592A1 (en) | 2016-09-30 |
EP3075703A1 (de) | 2016-10-05 |
DE102015004214A1 (de) | 2016-10-06 |
US20170022057A1 (en) | 2017-01-26 |
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