Solvent Extraction Principles

G. M. Ritcey and A. W. Ashbtook, Solvent Extraction—Principles and Applications to Process Metallurgy, Part I and II, Elsevier, Amsterdam, the... 

Ritcey, G. M. Ashbrook, A. W. "Solvent Extraction. Principles and Application to Process Metallurgy. Part II" Elsevier Scientific Publishing Co., New York, 1979. 

The principle of solvent extraction—the distribution of chemical species between two immiscible liquid phases—has been applied to many areas of chemistry. A typical one is liquid partition chromatography, where the principle of solvent extraction provides the most efficient separation process available to organic chemistry today its huge application has become a field (and an industry ) of its own. The design of ion selective electrodes is another application of the solvent extraction principle it also has become an independent field. Both these applications are only briefly touched upon in the chapter of this book on analytical applications (Chapter 14), as we consider them outside the scope of... 

Desired Effluent Quality. This is the single most important factor that decides the ultimate type/combination of equipment required. The criteria used in computing influent quality apply equally in establishing effluent quality Note that analyzers that use solvent-extraction principles measure soluble oil content also. Average solubility of hydrocarbons in water has typically been found to be 20 ppm in Bahrain oil fields. The results obtained with solvent-extraction methods on effluent samples shall be inclusive of dissolved hydrocarbons. For example, a 35-ppm result represents an effluent quality of IS ppm of free floatable od. 

The samples collected arc analyzed in an oil-content analyzer that is based on solvent-extraction principle, and the oil content is measured by a nundispersive infrared analyzer lhai gives digital output. This instrument measures the total oil content, including both free and dissolved oil Therefore, a typical value of 20 ppm is deducted from analyzer results to arrive at free-oil content in the sample. 

Ritcey, G.M. 2006. Solvent Extraction. Principles and Applications to Process Metallurgy, Vol. 1. G.M. Ritcey Associates, Ottawa, Canada. 

Ritcey GM, Ashbrook AW. Solvent Extraction Principles and Applications to Process Metallurgy. Vols. I, II. New York Elsevier, 1979. 

Solvent Extraction Principles and Practice, J. Rydberg, M. Cox, C. Musikas, G.R. Choppin, Eds., Marcel Dekker, New York, 2004. 

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