查詢結果分析
相關文獻
- Cu/γ-Al[feaf]O[feb0]Catalyst Prepared by Electroless Method
- Effect of Zn Addition on Electroless Copper Catalyst in n-Butanol Dehydrogenation
- The Effect of Palladium on Copper Dispersion and Ethanol Dehydrogenation Activity of Cu/Al[feaf]O[feb0]Catalysts Prepared by the Electroless Plating Procedure
- 以流體化床焚化離子交換樹脂之實驗探討
- Cu/TiO[feaf]Catalyst Prepared by Impregnation Method in Oxidation of NO
- Recycle and Reutilization of Carbon Dioxide (Ⅰ)--Study of Iron Promoted Cu/SiO[feaf]Catalyst for CO[feaf]Converted to CO
- 化學銅觸媒應用於環己醇脫氫反應之研究
- 二氧化碳氫化合成甲醇
- 改變螯合劑製備化學銅觸媒及其在2-丁醇脫氫反應上的應用
- 碳纖維以無電鍍法鍍鎳及以其製成導電性複合材料之研究
頁籤選單縮合
題 名 | Cu/γ-Al[feaf]O[feb0]Catalyst Prepared by Electroless Method=無電鍍法製備銅觸媒之研究 |
---|---|
作 者 | 蕭敬業; 蔡志昌; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 28:5 1997.09[民86.09] |
頁 次 | 頁351-357 |
分類號 | 468.8 |
關鍵詞 | 無電鍍法; 銅觸媒; Copper catalyst; Electroless plating; Impregnation; Butanol dehydrogenation; |
語 文 | 英文(English) |
中文摘要 | 本研究是利用無電鍍法製備銅觸媒, 並與含浸法製備的銅觸媒做一比較。 銅含量 從 5 %到 10 %,氧化鋁為擔體。 實驗結果顯示無電鍍銅觸媒的結晶顆粒比含浸法的小、 分散性佳,且有較大的比表面積。不過兩種製備方法均會造成擔體中小孔洞的堵塞,以致減 損擔體部份的表面積,而含浸法所造成的堵塞更嚴重。在正丁醇脫氫反應方面,無電鍍銅觸 媒的活性及穩定性也較佳。 |
英文摘要 | Copper catalysts prepared by electroless deposition method were investigated and compared with those by impregnation method. Copper contents varied from 5% to 15%, and γ -Al �� O �� was used as support. All catalysts were characterized by BET, SEM, TPR and DSC and tested by n-butanol dehydrogenation reaction to see their activities and stabilities. It was found by the SEM analyses that as comparing to the impregnated method, the catalysts prepared by the electroless method had smaller copper crystals and better dispersion. The BET results also showed that the electroless copper catalysts had larger specific surface area. However, the catalysts prepared by the two methods presented larger average pore size and less surface area than those of the fresh γ -Al �� O �� indicating that smaller pores might get blocked during the preparation course. This blockage was more severe in the impregnation method. For the butanol dehydrogenation reaction, the electroless copper catalysts gave better reaction performances. |
本系統中英文摘要資訊取自各篇刊載內容。