Review of Extraction Techniques Extraction Methods: Microwave, Ultrasonic, Pressurized Fluid, Soxhlet Extraction, Etc

Komal Patel, Namrata Panchal, Pradnya Ingle
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引用次数: 10

Abstract

In Extraction the mixture of substances is dissociated, by dissolving each component with one or other solvents which yields two phases – Raffinate Phase (rich in Feed Solvent) and Extract Phase (rich in Solute) [1]. When the Relative Volatility is 1 the separation of the components in the mixture is not possible by Distillation and when relative Volatility is Greater than 1 Extraction method is used for separation of the components. Also, when the Distillation Method used is too expensive, Extraction process is opted [2]. The basic Block Diagram for Extraction process is given in the Fig1.
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提取技术综述:微波提取、超声波提取、加压流体提取、索氏提取等
在萃取中,物质的混合物被解离,通过用一种或另一种溶剂溶解每一组分,产生两相——萃液相(富含饲料溶剂)和萃取相(富含溶质)[1]。当相对挥发度为1时,不能用蒸馏法分离混合物中的组分,当相对挥发度大于1时,采用萃取法分离组分。当蒸馏法成本过高时,可采用萃取法。图1给出了提取过程的基本框图。
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