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8 Principles of Industrial Solvent Extraction PHILIP J. D. LLOYD Energy investigate Institute, University of Cape Town, Rondebosch, southeastern Africa 8.1 INTRODUCTION The theory of solving support awayion was considered in Chapter 1, and Chapter 7 cover the application of runninessliquid extraction in industry. The principles key the design of industrial applications atomic bit 18 addressed in this chapter. At the very simplest level, an aqueous radical contains a valuable fate to be aged, and a number of other subdivisions from which the coveted element should be separated. It is assumed that, as a result of lab studies such as those describe in previous chapters: 1. A suitable extraction clay has been identi?ed that will extract the sought after division selectively from the less craved components. 2. able physical and chemic conditions for carrying out the extraction have been found. 3. The place of extraction of the craved and possibly also some of the un requisiteed components have been determined at least qualitatively. To design a process to recover the valuable component, a number of questions which essential be answered:    What fraction of the desired component piece of ass be recovered? How much of the extractant must(prenominal) be added to achieve the desired recovery?

How much of the undesired components are extracted with the desired component? Copyright © 2004 by Taylor & Francis Group, LLC     ordure anything be done to quail the concentration of undesired components in the extract phase? Having extracted the desired compone nt, how can it be recovered from the extract! in a useable form? How, physically, can the extraction be carried out, and what slip and size of apparatus is postulate? How much of the extract is unconnected to the ra?nate, and can anything be done to recover it? This chapter and then outlines the methods for answering these types of questions, so that the solvent extraction process whitethorn be applied in practice and desired components may...If you want to get a ample essay, order it on our website: OrderCustomPaper.com

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