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Interaction between the Components of FeCl_3-Al(i-Bu)_3-bipyridine Catalyst

Interaction between the Components of FeCl_3-Al(i-Bu)_3-bipyridine Catalyst

作     者:SongZhaozheng GeJijiang Song Zhaozheng;Ge Jijiang

作者机构:StateKeyLaboratoryyofHeavyOilProcessingUniversityofPetroleumBeijing102249China UniversityofPetroleumDongyingShandong257061China 

出 版 物:《Petroleum Science》 (石油科学(英文版))

年 卷 期:2005年第2卷第1期

页      面:66-69页

核心收录:

学科分类:081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

主  题:Nano-sized catalyst electric conductivity electric double layer 

摘      要:The interactions between the components of FeCl3-Al (i-Bu)3-bipyridine -catalyst were studied by the electric conductivity of these components in a hydrogenated gasoline medium at 25℃. It was found that Al (i-Bu) existed in an 3 associated state and was then dissociated into ion pairs. The reaction between FeCl3 and Al (i-Bu)3 is the chief reaction in the formation of nano-sized particles. Simultaneously, Al (i-Bu)3 reduced Fe3+ into Fe2+. The reaction between Fe2+ and bipy generated a Fe (bipyridine)2+ complex compound, which prevented Al (i-Bu)3 from reducing Fe2+ to a lower valence (Fe+, Fe0). The excessive Al (i-Bu)3 was dissociated into ion pairs and formed a double layer, which stabilized the nano-sized particles.

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