کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
55349 47048 2012 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Alkaline modifiers as performance boosters in citral hydrogenation over supported ionic liquid catalysts (SILCAs)
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی کاتالیزور
پیش نمایش صفحه اول مقاله
Alkaline modifiers as performance boosters in citral hydrogenation over supported ionic liquid catalysts (SILCAs)
چکیده انگلیسی

Supported ionic liquid catalysts (SILCAs) consist of nano-scale catalytic species immobilized in an ionic liquid layer which, in turn, is immobilized on a solid support. In this work, novel SILCAs containing various inorganic alkaline modifiers (e.g. potassium hydroxide) were prepared and applied in citral hydrogenation reactions. The supported ionic liquid catalyst systems demonstrated enhanced reaction rates and improved selectivities toward citronellal in citral hydrogenation. With the addition of an alkaline modifier into ionic liquid layer, the catalyst selectivity increased from 16% to 74%. In fact, a highly selective reaction route toward citronellal was accomplished.

Supported ionic liquid catalyst (SILCA) was modified with different alkaline modifiers which were dissolved in ionic liquid. Highly selective reaction route toward citronellal was accomplished.Figure optionsDownload high-quality image (63 K)Download as PowerPoint slideHighlights
► Supported ionic liquid catalysts are modified with alkaline modifiers.
► Catalysts are applied in citral hydrogenation.
► The selectivity of citronellal is enhanced.
► Highly selective reaction route was accomplished.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Catalysis Today - Volume 196, Issue 1, 30 November 2012, Pages 126–131
نویسندگان
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