عنوان
پدید آورنده
موضوع
رده
کتابخانه
محل استقرار
شماره کتابشناسی ملی
شماره
LA4w15c1wh
عنوان و نام پديدآور
عنوان اصلي
ABE Condensation over Monometallic Catalysts:
نام عام مواد
[Article]
نام نخستين پديدآور
Goulas, KA; Gunbas, G; Dietrich, PJ; Sreekumar, S; Grippo, A; Chen, JP; Gokhale, AA; Toste, FD
عنوان اصلي به قلم نويسنده ديگر
Catalyst Characterization and Kinetics
یادداشتهای مربوط به خلاصه یا چکیده
متن يادداشت
© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Herein, we present work on the catalyst development and the kinetics of acetone-butanol-ethanol (ABE) condensation. After examining multiple combinations of metal and basic catalysts reported in the literature, Cu supported on calcined hydrotalcites (HT) was found to be the optimal catalyst for the ABE condensation. This catalyst gave a six-fold increase in reaction rates over previously reported catalysts. Kinetic analysis of the reaction over CuHT and HT revealed that the rate-determining step is the C−H bond activation of alkoxides that are formed from alcohols on the Cu surface. This step is followed by the addition of the resulting aldehydes to an acetone enolate formed by deprotonation of the acetone over basic sites on the HT surface. The presence of alcohols reduces aldol condensation rates, as a result of the coverage of catalytic sites by alkoxides.
مجموعه
تاريخ نشر
2017
عنوان
UC Berkeley
دسترسی و محل الکترونیکی
نام الکترونيکي
مطالعه متن کتاب اطلاعات رکورد کتابشناسی
نوع ماده
[Article]
کد کاربرگه
275578
اطلاعات دسترسی رکورد
سطح دسترسي
a
تكميل شده
Y
