Interaction of a homogeneous chemical reaction and mass transfer in a single moving droplet
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- 作者：Alex ; er Pawelski ; Sang Jun Jeon ; Won Hi Hong ; Anja R. Paschedag ; Matthias Kraume
- 关键词：Drop ; Extraction ; Homogeneous chemical reaction ; Kinetics ; Mass transfer ; Computational fluid dynamics
- 刊名：Chemical Engineering Science
- 出版年：18 December, 2013
- 年：2013
- 卷：104
- 期：Complete
- 页码：260-268
- 全文大小：1692 K
文摘
Mass transfer with a superimposed homogeneous chemical reaction was investigated in the system cyclohexanol (continuous phase)/methyl chloroacetate (transferred component)/sodium hydroxide (dispersed phase). The unsteady mass transfer was measured applying a counter current flow cell for single droplets. The obtained experimental data were compared with CFD simulations, which already have been used successfully for a single drop system with a very fast homogeneous chemical reaction. In this paper the investigated system was selected to be in a regime where the rates of mass transfer and chemical reaction are in the same order of magnitude, so none of them can be considered rate-determining. Additionally, numerical simulations were carried out in order to quantify the results of the interactions between mass transfer and chemical reaction for the specific system.