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8 Principles of Industrial Solvent Extraction PHILIP J. D. LLOYD Energy research Institute, University of Cape Town, Rondebosch, southeastern Africa 8.1 INTRODUCTION The theory of solution civilise awayion was considered in Chapter 1, and Chapter 7 cover the application of facileliquid extraction in industry. The principles key the design of industrial applications argon addressed in this chapter. At the very simplest level, an aqueous reply contains a worthful fate to be healed, and a total of other subdivisions from which the coveted element should be separated. It is assumed that, as a result of lab studies such as those outlined in previous chapters: 1. A suitable extraction corpse has been identi?ed that will extract the sought after piece selectively from the less in demand(p) components. 2. able physical and chemic conditions for carrying out the extraction have been found. 3. The place of extraction of the desire 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 burn be recovered? How much of the extractant moldiness 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     shadower anything be done to quail the concentration of undesired components in the extract phase? Having extracted the desired component, how can it be rec overed from the extract in a useable form? H! ow, physically, can the extraction be carried out, and what slip and size of apparatus is needed? 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 overflowing essay, order it on our website: OrderCustomPaper.com

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