کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
154254 | 456573 | 2006 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The preparation of É-caprolactone in airlift loop sonochemical reactor
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
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چکیده انگلیسی
A facile oxidation conversion of cyclohexanone to É-caprolactone using molecular oxygen in a new type reactor-the airlift loop sonochemical reactor was studied. The influences of ultrasound intensity, reaction temperature, molar ratio of benzaldehyde to cyclohexanone and oxygen gas flow rate on the conversion and selectivity of cyclohexanone were investigated and discussed. An optimized set of operating conditions was found and É-caprolactone production yield of 87.7% was achieved. The reactor plays a synergistic effect of sonochemsity and higher mass transfer. Possible reaction mechanism steps were outlined and the reasons of ultrasound promoting the reaction were analyzed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Engineering Journal - Volume 121, Issues 2â3, 15 August 2006, Pages 59-63
Journal: Chemical Engineering Journal - Volume 121, Issues 2â3, 15 August 2006, Pages 59-63
نویسندگان
Ping Zhang, Mei Yang, Xiaoping Lu, Pingfang Han,