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首页> 外文期刊>Chemical Engineering & Technology: Industrial Chemistry -Plant Equipment -Process Engineering -Biotechnology >Regimes of Multiple Emulsions of W1/O/W2 and O1/W/O2 Type in the Continuous Couette-Taylor Flow Contactor
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Regimes of Multiple Emulsions of W1/O/W2 and O1/W/O2 Type in the Continuous Couette-Taylor Flow Contactor

机译：连续Couette-Taylor流动接触器中W1 / O / W2和O1 / W / O2型多种乳液的体系

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摘要

The flow regimes of multiple emulsions in the continuous Couette-Taylor flow (CTF) contactor and characterization of the dispersion state are reported. The proposed method of multiple emulsion preparation is a one-step procedure on the contrary to the classical two-step procedure. The effect of operating parameters in the CTF contactor on multiple emulsion appearance, structure (drop size and packing), and rheological behavior is discussed. The key factors affecting multiple emulsion preparation in the CTF apparatus were the phases ratio, the rotational flow, and an annular gap width. The influence of an axial flow was more significant in the range of small rotational rates. The operating conditions were optimized to find the best characteristic multiple emulsions (largest inter-facial area). The paper presents the same exemplary data of using W1/O/W2 emulsions as emulsion liquid membranes (ELMs) in the extraction process and O1/W/O2 for control active agent (drug) release.
机译：报道了连续库埃特-泰勒流动（CTF）接触器中多种乳液的流动方式以及分散状态的表征。与传统的两步法相反，所提出的多重乳液制备方法是一步法。讨论了CTF接触器中操作参数对多种乳液外观，结构（液滴尺寸和堆积）和流变行为的影响。影响CTF设备中多种乳液制备的关键因素是相比，旋转流量和环形间隙宽度。在小转速范围内，轴向流动的影响更为显着。优化了操作条件，以找到特性最好的多重乳液（最大界面面积）。本文介绍了在萃取过程中使用W1 / O / W2乳剂作为乳状液膜（ELM）以及使用O1 / W / O2进行控制活性剂（药物）释放的相同示例性数据。

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