摘要
在 2 5℃加氢汽油介质中 ,将 Fe Cl3-Al( i-Bu) 3-Phen胶体催化剂的 3组分分别以单、多组分按不同配比混合成非水体系 ,考察了它们的电导率与浓度的关系。结果表明 ,Al( i-Bu) 3以缔合状态存在并解离成离子对 ,它与 Fe Cl3的作用是形成胶粒的主要反应。Phen与 Fe2 +络合有阻止 Fe2 +被还原成更低价态 ( Fe+ ,Fe0 )的作用。适当过量的 Al( i-Bu) 3形成双电层 ,使催化剂胶粒稳定 ,同时将 Fe3+还原成 Fe2 +。
The relationship between electric conductivity of non aqueous catalyst system of FeCl 3 Al ( i Bu) 3 Phen and concentration of its components in hydrogenated gasoline medium at 250 ℃ was investigeted It was found that Al( i Bu) 3 existed in the associated state with dissociated ion pairs, the reaction of which with FeCl 3 was the main one to form colloidal particles The reaction between Fe 2+ and Phen generated complex compound which prevented Al( i Bu) 3 from reducing Fe 2+ into lower valence atates (Fe +, Fe 0) The excessive Al( i Bu) 3 dissociated into ion pairs and formed a double layer to maintain the stability of colloidal particles, meanwhile, Fe 3+ reduced to Fe 2+ with the existence of Al( i Bu) 3
出处
《石油学报（石油加工）》
EI
CAS
CSCD
北大核心
2001年第2期85-90,共6页
Acta Petrolei Sinica(Petroleum Processing Section)
基金
国家自然科学基金!项目 ( 2 9710 6)
