THE KINETIC OF ESSENTIAL OIL SEPARATION FROM FENNEL BY MICROWAVE ASSISTED HYDRODISTILLATION (MWHD)

被引：0

作者：

Kapas, Arpad ^{[1
,2
]}

Andras, Csaba D. ^{[2
]}

Dobre, Tanase Gh. ^{[1
]}

Vass, Erika ^{[2
]}

Szekely, Gabriella ^{[2
]}

Stroescu, Marta ^{[1
]}

Lanyi, Szabolcs ^{[2
]}

Abraham, Beata ^{[2
]}

机构：

[1] Univ Politehn Bucuresti, Dept Chem Engn, Bucharest, Romania

[2] Univ SAPIENTIA Cluj Napoca, Fac Sci, Dept Tech & Nat Sci, Miercurea Ciuc, Romania

来源：

UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES B-CHEMISTRY AND MATERIALS SCIENCE | 2011年 / 73卷 / 04期

关键词：

microwave assisted hydro distillation; volatile oil; fennel extraction; kinetic model;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

More of the newest developments in volatile oils extraction from vegetal materials by hydro distillation (HD) are represented by the different variants with microwave heating of the samples. In this paper the microwave assisted hydrodistillation (MWHD) was compared with conventional technique, hydrodistillation (HD), in order to characterize the kinetic of fennel essential oil extraction. The laboratory pilot MWHD device is based on an original rotated apparatus, where the extraction flask is placed in a domestic microwave oven and the vapors tube-condenser system presents a modified Clevenger extension. Based on the experimental kinetic results, a semi-empirical model was fitted. The gas chromatograph oil analysis respect to trans-anethole, fenchon and methyl-chavicol reveals slowly difference between HD and MWHD operating procedures. The experimental investigation shows also that the operation time for MWHD in opposite to classical HD, for the same product quantity, was shorter. Consequently, the use of MWHD reduces the energy consumption of extraction process.

引用

页码：113 / 120

页数：8

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