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首页> 外文期刊>RSC Advances >Revealing ruthenium and basicity synergetic effects in Ru–MgAl catalysts for isomerization of linoleic acid to conjugated linoleic acid
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Revealing ruthenium and basicity synergetic effects in Ru–MgAl catalysts for isomerization of linoleic acid to conjugated linoleic acid

机译：在Ru-MgAl催化剂中将亚油酸异构化为共轭亚油酸时，揭示钌和碱的协同作用

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Ru–MgAl catalysts were prepared by co-precipitation at different pH values (x = 7–12), with the aims of investigating the effect of pH on their catalytic performance for isomerization of linoleic acid to conjugated linoleic acid and of understanding the relationship of basicity site and ruthenium activity site. The results showed that strong basicity and highly dispersed ruthenium may be the active sites for linoleic acid isomerization. Only if all three conditions, i.e., high Ru dispersion, appropriate SMSI effect and high number of strong basicity sites, are fulfilled can highly effective active sites be formed for the isomerization of linoleic acid to conjugated linoleic acid. A possible reaction mechanism for the isomerization was also proposed.
机译：Ru-MgAl催化剂是通过在不同pH值（ x = 7-12）下共沉淀制备的，目的是研究pH对其亚油酸异构化成共轭亚油酸的催化性能的影响。酸，并了解碱度位与钌活性位的关系。结果表明，强碱性和高度分散的钌可能是亚油酸异构化的活性位点。只有满足所有三个条件，即高Ru分散，适当的SMSI效应和高数量的强碱性位点，才能形成高效的活性位点，用于亚油酸异构化为共轭亚油酸。还提出了可能的异构化反应机理。

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