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OALib Journal期刊
ISSN: 2333-9721
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以钴羰基簇合物为前驱体制备的钴基催化剂上F-T反应性能
DOI: 10.1016/S1872-2067(12)60757-8, PP. 342-350
Keywords: 钴羰基簇合物,费托合成,前驱体,浸渍法
Abstract:
？以含羧酸配体的钴羰基簇合物Co2（CO）6HCCCOOH，Co3（CO）9CCH2COOH，Co4（CO）10HCCCOOH为前驱体，γ-Al2O3为载体，通过浸渍法制备了一系列催化剂；同时以Co（NO3）2作为前驱体制备了参比催化剂.对制备的催化剂进行了费托反应性能评价，并用透射电子显微镜、氨程序升温脱附和傅里叶变换红外光谱等手段对催化剂进行了表征.结果发现，不同前驱体制备的催化剂对载体上Co的分布具有明显影响，进而影响催化剂活性.反应结果表明，不同前驱体制备的催化剂上CO转化率及C5+选择性顺序为Co3（CO）9CCH2COOH>Co2（CO）6HCCCOOH>Co4（CO）10HCCCOOH>Co（NO3）2.
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