ID | 114835 |
著者 |
Ehiro, Takuya
Osaka Research Institute of Industrial Science and Technology
Dohshi, Satoru
Osaka Research Institute of Industrial Science and Technology
|
キーワード | Hydroxyapatite
Catalyst
Isobutane
Isobutene
Coking
|
資料タイプ |
学術雑誌論文
|
抄録 | Hydroxyapatite (HAp) samples were prepared from precursor solutions with different Ca/P molar ratios. The HAp samples were utilized as catalysts for the oxidative dehydrogenation (ODH) of isobutane. Also, the HAp samples were characterized by N2 and H2O adsorption-desorption measurements, X-ray diffraction, inductively coupled plasma optical emission spectrometry, thermogravimetry-differential thermal analyses, and temperature-programmed oxidation (TPO). The Ca/P molar ratio of the precursor solution had a major influence on the catalytic activity and coking resistance ability. The HAp catalyst prepared from the stoichiometric precursor solution [HAp (1.67)] showed the highest isobutene yield. Furthermore, the white color of HAp (1.67) remained unchanged during the ODH of isobutene, indicating the absence of coke on the surface of HAp (1.67) after the reaction and its higher coking resistance ability. The results of the TPO measurements showed that the HAp (1.67) catalyst possesses the strongest oxidation ability which is likely related to its higher coking resistance ability.
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掲載誌名 |
Phosphorus Research Bulletin
|
ISSN | 09184783
18822363
|
cat書誌ID | AA12109680
|
出版者 | Japanese Association of Inorganic Phosphorus Chemistry
|
巻 | 35
|
開始ページ | 48
|
終了ページ | 54
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発行日 | 2019
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EDB ID | |
出版社版DOI | |
出版社版URL | |
フルテキストファイル | |
言語 |
eng
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著者版フラグ |
出版社版
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部局 |
理工学系
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