頁籤選單縮合
題名 | Characterization of Supported Nickel Catalysts Using Thermomagnetometry and TPR=利用TM及TPR探討擔載鎳觸媒 |
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作者姓名(中文) | 呂芳欽; 張聰慧; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷期 | 27:2 1996.03[民85.03] |
頁次 | 頁121-127 |
分類號 | 468.8 |
關鍵詞 | 鎳觸媒; Nickel catalysts; Thermomagnetometry; TM; Curie temperature; T; TPR; Characterization; |
語文 | 英文(English) |
中文摘要 | 本研究中之鎳觸媒是使用初期潤溼法製備,並用TM及TPR探究其性質。在Ni/SiO₂及 Ni/TiO₂觸媒中,TM及TPR可清楚分辨出兩種不同Curie溫度之鎳物種存在。其中,較低Curie溫度之鎳物種起因於鎳與載體(Ni/iO₂及 Ni/TiO₂)間存在作用力。在Ni/Al₂O₃觸媒中藉TM可分辨出三種以上之鎳物種,可得知鎳與氧化鋁間存在複雜作用力。此外,研究結果也發現effective magneton number與載體有關。 |
英文摘要 | Supported nickel catalysts were prepared by the method of incipient wetness. The properties of nickel catalysts prepared using the incipient wetness method were investigated with TPR and TM techniques. Two kinds of nickel species with different Curie temperatures in both Ni/SiO₂ and Ni/TiO₂ catalysts were clearly identified using TM and TPR. The nickel particles with low Curie temperatures were attributed to an interaction between nickel and supports (SiO₂ and TiO₂). Additionally, more than three kinds of nickel species in Ni/Al₂O₃ catalysts interaction between nickel and alumina was concluded from sophisticated Curie transition profiles of Ni/ Al₂O₃ catalysts. Furthermore, the effective magneton number was found to be support-dependent. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。