JP7329534B2 - 溶融塩ベースの触媒系を用いた高温熱分解 - Google Patents
溶融塩ベースの触媒系を用いた高温熱分解 Download PDFInfo
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Description
本出願は、2018年4月9日出願の米国仮特許出願第62/654,587号の優先権を主張するものであり、その開示全体が参照により本明細書に組み込まれる。
本明細書は以下の発明の態様を包含する。
[項目1] アルカリ金属のハロゲン化物;アルカリ土類金属のハロゲン化物;亜鉛、銅、マンガン、カドミウム、スズおよび鉄のハロゲン化物;ならびにそれらの混合物からなる群から選択される溶融塩を含み、前記溶融塩が、その中に、微粉化された元素金属、金属酸化物、金属炭化物、またはそれらの混合物の形で、鉄、モリブデン、マンガン、ニッケル、コバルト、亜鉛、チタンおよび銅のうちの1つ以上の触媒活性形態を分散させている、700℃を超える反応温度でメタンを熱分解することに活性がある触媒系。
[項目2] 前記溶融塩が1000℃未満で溶融する、項目1に記載の触媒系。
[項目3] 前記溶融塩が約600℃~約800℃で溶融する、項目1または2に記載の触媒系。
[項目4] 前記分散された触媒活性金属を含有する粒子の平均サイズが約0.5mm以下である、項目1~3のいずれかに記載の触媒系。
[項目5] 前記溶融塩中に分散された触媒活性金属の濃度が、全触媒系の0.1~約20重量%の範囲である、項目1~4のいずれかに記載の触媒系。
[項目6] 反応条件下で項目1~5のいずれかに記載の触媒系を含む反応ゾーンにメタンを通過させて、水素を含むガス流および固体炭素生成物を生成することを含む、プロセス。
[項目7] 前記反応条件が700~1300℃の範囲の温度を含む、項目6に記載のプロセス。
Claims (6)
- 水素を含むガス流および固体炭素生成物を生成するプロセスであって、反応条件下で触媒系を含む反応ゾーンにメタンを通過させて、水素を含むガス流および固体炭素生成物を生成することを含み、
反応が600~1300℃の範囲の温度で実施され、
触媒系が、アルカリ金属のハロゲン化物;アルカリ土類金属のハロゲン化物;亜鉛、銅、マンガン、カドミウム、スズおよび鉄のハロゲン化物;ならびにそれらの混合物からなる群から選択される、1000℃未満で溶融する溶融塩を含み、前記溶融塩が、その中に元素金属、金属酸化物、金属炭化物、またはそれらの混合物として微細分散された粒子の形で、鉄、モリブデン、マンガン、ニッケル、コバルト、チタンおよび銅のうちの1つ以上の触媒活性形態を分散させており、前記微細分散された粒子の平均サイズが0.5mm以下である、プロセス。 - 前記反応条件が700~1300℃の範囲の温度を含む、請求項1に記載のプロセス。
- 前記溶融塩が600℃~800℃で溶融する、請求項1または2に記載のプロセス。
- 前記溶融塩中に分散された触媒活性金属の濃度が、全触媒系の0.1~20重量%の範囲である、請求項1~3のいずれかに記載のプロセス。
- 溶融塩が塩化リチウム、塩化ナトリウム、塩化カリウム、塩化セシウム、塩化マグネシウム、塩化カルシウム、塩化ストロンチウム、塩化バリウムまたはそれらの混合物を含む、請求項1~4のいずれかに記載のプロセス。
- 溶融塩に分散させた1つ以上の触媒活性形態が、鉄、コバルト、ニッケル及び銅のうちの1つ以上の触媒活性形態である、請求項1~5のいずれかに記載のプロセス。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862654587P | 2018-04-09 | 2018-04-09 | |
| US62/654,587 | 2018-04-09 | ||
| PCT/EP2019/058453 WO2019197256A1 (en) | 2018-04-09 | 2019-04-04 | Pyrolysis of methane with a molten salt based catalyst system |
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| JP2021520987A JP2021520987A (ja) | 2021-08-26 |
| JP7329534B2 true JP7329534B2 (ja) | 2023-08-18 |
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| US (1) | US20210363013A1 (ja) |
| EP (1) | EP3774644B1 (ja) |
| JP (1) | JP7329534B2 (ja) |
| AU (1) | AU2019252154B2 (ja) |
| CA (1) | CA3096297A1 (ja) |
| EA (1) | EA038556B1 (ja) |
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| CA3194814A1 (en) | 2020-09-18 | 2022-03-24 | Shell Internationale Research Maatschappij B.V. | Molten salts reactor systems for methane pyrolysis |
| MX2023008009A (es) * | 2021-01-07 | 2023-09-25 | Univ Johns Hopkins | Produccion de hidrogeno a partir de hidrocarburos. |
| EP4029924A1 (en) * | 2021-08-17 | 2022-07-20 | Shell Internationale Research Maatschappij B.V. | Pyrolytic process for thermal energy to chemical process |
| WO2024245851A1 (de) * | 2023-06-02 | 2024-12-05 | Teijin Carbon Europe Gmbh | Verfahren zur abgasbehandlung |
| US12409446B2 (en) | 2023-08-20 | 2025-09-09 | Susteon Inc. | Electrically heated substrates, assemblies, systems, and processes for catalytic, chemical, and sorbent applications |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019099795A1 (en) | 2017-11-16 | 2019-05-23 | The Regents Of The University Of California | Simultaneous reaction and separation of chemicals |
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| US2760847A (en) * | 1951-11-13 | 1956-08-28 | Houdry Process Corp | Production of hydrogen and carbon |
| US3979332A (en) * | 1975-02-03 | 1976-09-07 | Shell Oil Company | High temperature methanation with molten salt-based catalyst systems |
| US4665261A (en) * | 1985-06-21 | 1987-05-12 | Atlantic Richfield Company | Hydrocarbon conversion process using a molten salt |
| US5767165A (en) * | 1995-03-16 | 1998-06-16 | Steinberg; Meyer | Method for converting natural gas and carbon dioxide to methanol and reducing CO2 emissions |
| TW201800332A (zh) * | 2016-02-01 | 2018-01-01 | 西維吉尼亞大學研究股份有限公司 | 由天然氣及其他烴類製造碳及氫之方法 |
| US10882743B2 (en) * | 2017-02-05 | 2021-01-05 | Climeworks Ag | Process for the production of hydrogen |
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2019
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| WO2019099795A1 (en) | 2017-11-16 | 2019-05-23 | The Regents Of The University Of California | Simultaneous reaction and separation of chemicals |
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| AU2019252154A1 (en) | 2020-10-08 |
| WO2019197256A1 (en) | 2019-10-17 |
| EA202092380A1 (ru) | 2021-01-20 |
| CA3096297A1 (en) | 2019-10-17 |
| EP3774644A1 (en) | 2021-02-17 |
| JP2021520987A (ja) | 2021-08-26 |
| US20210363013A1 (en) | 2021-11-25 |
| EA038556B1 (ru) | 2021-09-14 |
| ES3002683T3 (en) | 2025-03-07 |
| AU2019252154B2 (en) | 2021-12-02 |
| BR112020020508A2 (pt) | 2021-01-19 |
| EP3774644B1 (en) | 2024-10-30 |
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