JP5119019B2 - Lpg用水蒸気改質触媒の製造方法 - Google Patents
Lpg用水蒸気改質触媒の製造方法 Download PDFInfo
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- JP5119019B2 JP5119019B2 JP2008070577A JP2008070577A JP5119019B2 JP 5119019 B2 JP5119019 B2 JP 5119019B2 JP 2008070577 A JP2008070577 A JP 2008070577A JP 2008070577 A JP2008070577 A JP 2008070577A JP 5119019 B2 JP5119019 B2 JP 5119019B2
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- steam reforming
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Description
まず、活性金属であるルテニウム化合物と添加物であるニッケル化合物とをイオン交換水に溶解させる操作(S1)と、担体となる表面積100m 2/g程度の粉体からなるヒュームドアルミナをイオン交換水に懸濁させた後に一旦沸騰させ、しかる後に所定温度(80℃)程度に冷却する操作(S2)とを並行して行う。
この試験装置は、内部に改質触媒(1)を収容する内筒(2)と、この内筒(2)を加熱するヒータ(3)とで構成してあり、内筒(2)の内部に触媒ストッパー(4)をストッパー支持筒(5)を介して支持することで、改質触媒収容部(6)を形成している。図中符号(7)は改質触媒収容部(6)の流入側に充填した石英ウール、符号(8)は導出ガス路(9)に配置した再凝縮装置、符号(10)は触媒層の温度を検出する熱電対で構成した温度検出器、符号(11)は内筒外の温度を検出する温度検出器である。なお、前記触媒ストッパー(4)とストッパー支持筒(5)とは、いずれもステンレス製メッシュ板で構成してある。
比較例として、粒状アルミナを担体とし、活性金属として5%のルテニウムを含む触媒を使用した場合について、導出した水素ガスの濃度を測定した。ちなみに、同じ温度条件下での平衡状態での水素ガス濃度とも比較した。
また、本発明に係る触媒では、ルテニウム含有量が従来のルテニウム含有触媒に較べて1/5程度となっているので、高価なルテニウムの量を削減することができる。
Claims (2)
- 活性金属となる塩化ルテニウムを0.5〜1.0wt%と添加物となる硝酸ニッケル0.5〜1.0wt%とを溶解させた混合液と、触媒担体となるヒュームドアルミナを懸濁させた懸濁液とを混合させ、この混合物を乾燥させた後、顆粒状に整粒し、この整粒したものを所定温度以上の温度雰囲気下で水素ガス気流により還元処理したことを特徴とするLPG用水蒸気改質触媒の製造方法。
- 活性金属となる0.5〜1.0wt%の塩化ルテニウム、添加物となる0.5〜1.0wt%の硝酸ニッケルをイオン交換水に溶解させて混合液を作成する操作と、触媒担体となるヒュームドアルミナをイオン交換水に懸濁させ、この懸濁後に沸騰−冷却する操作とを並行して行い、
活性金属と添加物が溶解しているイオン交換水と、ヒュームドアルミナからなる触媒担体を懸濁した後に沸騰−冷却させたイオン交換水とを混合し、
この混合溶液を蒸発させて固結させ、固結した固結物をさらに加熱乾燥させ、
この乾燥物を顆粒状に整粒し、
この整粒された顆粒状物をさらに、550℃以上の温度雰囲気のもとで水素ガスを2時間流して還元処理を施すことを特徴とする請求項1に記載したLPG用水蒸気改質触媒の製造方法。
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JP2008070577A JP5119019B2 (ja) | 2008-03-19 | 2008-03-19 | Lpg用水蒸気改質触媒の製造方法 |
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JP5119019B2 true JP5119019B2 (ja) | 2013-01-16 |
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JP6352023B2 (ja) * | 2014-03-31 | 2018-07-04 | Jxtgエネルギー株式会社 | 水素供給システム及び水素ステーション |
JP6980205B2 (ja) * | 2017-08-10 | 2021-12-15 | 国立研究開発法人物質・材料研究機構 | 水素製造用触媒及びその製造方法、並びに水素製造装置 |
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JP3667801B2 (ja) * | 1995-01-27 | 2005-07-06 | 出光興産株式会社 | ルテニウム触媒の製造方法及び該触媒を用いた炭化水素の水蒸気改質方法 |
US7572432B2 (en) * | 2004-04-13 | 2009-08-11 | General Electric Company | Method and article for producing hydrogen gas |
JP4332733B2 (ja) * | 2004-08-24 | 2009-09-16 | 戸田工業株式会社 | 炭化水素分解用触媒及び該炭化水素分解用触媒を用いた水素の製造方法 |
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