JP2020531388A - 自己熱アンモニア分解方法 - Google Patents
自己熱アンモニア分解方法 Download PDFInfo
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- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
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Abstract
プロセスガス中のアンモニアの水素および窒素に対する残留量の少なくとも一部を、ニッケル含有触媒と接触させ、同時にプロセスガスをニッケル含有触媒と接触させることによりプロセスガスの分解中に生成する水素の一部と反応させて窒素酸化物の窒素および水への還元を行い、水素および窒素含有生成物ガスを吸引することにより分解すること。
Description
2NH3+3/2O2→N2+3H2O
続いてアンモニアの吸熱触媒分解を行う場合に必要な熱を供給するのに十分である。
前記プロセスガス中において、前記プロセスガス中において、残留量のアンモニアの少なくとも一部をニッケル含有触媒と接触させ、水素および窒素に分解し、同時にプロセスガスを前記ニッケル含有触媒と接触させることによるプロセスガスの分解中に生じる水素の一部と反応によって、窒素酸化物のある量を、窒素および水へと還元するステップ;
そして、水素および窒素含有生成物ガスを取り出すステップを含むアンモニアから窒素および水素を含む生成物ガスの製造方法を提供する。
図1は、自己熱アンモニア分解反応器、アンモニア分離ステップ、生成物ガス調整およびアンモニア回収を含む本発明の特定の実施形態によるアンモニア分解プロセスの模式図である。
λ=0.21のラムダ値に対応するアンモニア分解方法のためのプロセスガス流および組成、および得られる自己熱アンモニア分解反応器内のニッケル含有触媒に接触した後の800℃の生成物ガスの平衡温度を下表1に示す。ストリーム番号は図1を参照する。
Claims (18)
- アンモニアから窒素および水素を含有する生成物ガスを製造する方法であって、アンモニアを酸素含有ガスで非触媒部分酸化して、窒素、水、窒素酸化物のある量および残留量のアンモニアを含有するプロセスガスにするステップ;
前記プロセスガス中において、残留量のアンモニアの少なくとも一部をニッケル含有触媒と接触させ、水素および窒素に分解し、同時にプロセスガスを前記ニッケル含有触媒と接触させることによるプロセスガスの分解中に生じる水素の一部と反応によって、窒素酸化物のある量を、窒素および水へと還元するステップ;
そして、水素および窒素含有生成物ガスを取り出すステップ、を含む前記方法。 - 前記非触媒的部分酸化ステップで生成される窒素酸化物のある量が、ニッケル含有触媒との接触による窒素酸化物と水素との反応を介して、熱力学的平衡によって制限されるとして、80%を超えて減少し、かつ最大100%まで減少する、請求項1に記載の方法。
- アンモニアの前記非触媒部分酸化が、バーナー内でアンモニアを化学量論量未満の酸素により気体形態で燃焼させることによって、実施される、請求項1または2に記載の方法。
- 前記非触媒部分酸化ステップおよび前記分解ステップが、単一の反応器で行われる、請求項1〜3のいずれか一項に記載の方法。
- 前記単一の反応器が、自己熱分解反応器として構成される、請求項4に記載の方法。
- 前記非触媒部分酸化ステップへのアンモニアに対する酸素供給流速は、ニッケル含有触媒との接触後に700〜1100℃の間の生成物ガスの平衡温度をもたらすように調整される、請求項1〜5のいずれか一項に記載の方法。
- 前記酸素含有ガス中の酸素の含有量が、λ=0.18〜λ=0.30の間のラムダ値に対応して変化し、ここで、ラムダは、実際の酸素供給流量と前記アンモニアの窒素および水への完全な化学量論的な燃焼に必要な流量との間の比である、請求項1〜6のいずれか一項に記載の方法。
- 酸素含有ガスが10〜100vol%の酸素を含む、請求項1〜6のいずれか一項記載の方法。
- アンモニア分解ステップから得られた水素によって、メタン化反応器内でCO2をメタンに変換するさらなるステップを含む、請求項1〜8のいずれか一項に記載の方法。
- 生成物ガス中にさらに含まれる未分解アンモニアを分離するさらなるステップを含む、請求項1〜9のいずれか一項に記載の方法。
- 前記未分解アンモニアが、水洗によって生成物ガスから分離される、請求項8記載の方法。
- 分離されたアンモニアがアンモニア回収ステップで回収され、前記非触媒部分酸化ステップにリサイクルされる、請求項10または11に記載の方法。
- 前記アンモニア回収ステップにNaOHを添加することを含む、請求項10〜12のいずれか一項に記載の方法。
- 生成物ガス調整ユニットにおいて生成物ガスの窒素に対する水素のモル比を調整するさらなるステップを含む、請求項1〜13のいずれか一項に記載の方法。
- アンモニア供給物に水素源を添加することを、または分解反応器内の前記バーナーに直接水素源を添加することを含む、請求項1〜14のいずれか一項に記載の方法。
- 前記水素源が前記アンモニア分解生成物ガス、または生成物ガスであり、アンモニア含量および/または窒素に対する水素比が調整されたものである、請求項15に記載の方法。
- 水素供給源がユーティリティサプライであるか、または別の工程由来である、請求項15記載の方法。
- 酸素含有ガスのCO2除去洗浄を含む、請求項1〜17のいずれか一項記載の方法。
Applications Claiming Priority (5)
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DKPA201700462 | 2017-08-24 | ||
DKPA201700462 | 2017-08-24 | ||
DKPA201700551 | 2017-10-02 | ||
DKPA201700551 | 2017-10-02 | ||
PCT/EP2018/072488 WO2019038251A1 (en) | 2017-08-24 | 2018-08-21 | AUTOTHERMIC CRACKING METHOD OF AMMONIA |
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JP2020531388A true JP2020531388A (ja) | 2020-11-05 |
JP7319965B2 JP7319965B2 (ja) | 2023-08-02 |
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US (1) | US11511991B2 (ja) |
EP (1) | EP3672906B1 (ja) |
JP (1) | JP7319965B2 (ja) |
CN (1) | CN110799451B (ja) |
AU (1) | AU2018320335A1 (ja) |
CA (1) | CA3067780A1 (ja) |
DK (1) | DK3672906T3 (ja) |
ES (1) | ES2941070T3 (ja) |
PL (1) | PL3672906T3 (ja) |
TW (1) | TWI812634B (ja) |
WO (1) | WO2019038251A1 (ja) |
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JP2024510733A (ja) | 2021-03-11 | 2024-03-11 | トプソー・アクチエゼルスカベット | アンモニアクラッキングから水素を製造するための方法およびシステム |
US11724245B2 (en) | 2021-08-13 | 2023-08-15 | Amogy Inc. | Integrated heat exchanger reactors for renewable fuel delivery systems |
US11994061B2 (en) | 2021-05-14 | 2024-05-28 | Amogy Inc. | Methods for reforming ammonia |
KR20240020274A (ko) | 2021-06-11 | 2024-02-14 | 아모지 인크. | 암모니아의 가공처리를 위한 시스템 및 방법 |
KR20240021944A (ko) | 2021-06-18 | 2024-02-19 | 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 | 그린 수소를 위한 암모니아 분해 |
US11539063B1 (en) | 2021-08-17 | 2022-12-27 | Amogy Inc. | Systems and methods for processing hydrogen |
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WO2023144335A1 (de) | 2022-01-27 | 2023-08-03 | Thyssenkrupp Industrial Solutions Ag | Verfahren und anlage zur herstellung von wasserstoff aus ammoniak |
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CN115254865A (zh) * | 2022-08-25 | 2022-11-01 | 中原环保股份有限公司 | 一种反硝化滤池脱氮气体的处理方法 |
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WO2024056859A1 (en) | 2022-09-16 | 2024-03-21 | Basf Se | A process for increasing the h2 content of syngas |
WO2024056843A1 (en) | 2022-09-16 | 2024-03-21 | Basf Se | Process for performing an endothermic reaction in a reactor with less co2 emissions |
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US11795055B1 (en) | 2022-10-21 | 2023-10-24 | Amogy Inc. | Systems and methods for processing ammonia |
US11866328B1 (en) | 2022-10-21 | 2024-01-09 | Amogy Inc. | Systems and methods for processing ammonia |
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US20050037244A1 (en) * | 2000-05-12 | 2005-02-17 | Goetsch Duane A. | Production of hydrogen by autothermic decomposition of ammonia |
JP2009035458A (ja) * | 2007-08-03 | 2009-02-19 | Tama Tlo Kk | 水素生成装置 |
US20120148925A1 (en) * | 2010-05-27 | 2012-06-14 | Shawn Grannell | Ammonia flame cracker system, method and apparatus |
WO2016193751A1 (en) * | 2015-06-04 | 2016-12-08 | Advanced Plasma Power Limited | Process for producing a substitute natural gas from synthesis gas |
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US20200123006A1 (en) | 2020-04-23 |
CN110799451B (zh) | 2023-08-08 |
JP7319965B2 (ja) | 2023-08-02 |
EP3672906A1 (en) | 2020-07-01 |
TW201912565A (zh) | 2019-04-01 |
TWI812634B (zh) | 2023-08-21 |
EP3672906B1 (en) | 2023-02-15 |
CN110799451A (zh) | 2020-02-14 |
DK3672906T3 (da) | 2023-02-27 |
US11511991B2 (en) | 2022-11-29 |
AU2018320335A1 (en) | 2020-01-23 |
CA3067780A1 (en) | 2019-02-28 |
PL3672906T3 (pl) | 2023-05-15 |
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WO2019038251A1 (en) | 2019-02-28 |
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