Page 369 - Chemical process engineering design and economics

348 Chapter 6

0.45 -
Water Disposed
MCBK Extractant
0.4 -
Plate Spacing
Stroke Length
Temperature
0.35 -

0.3 ~

40 6O 80 100 120
Reciprocating Speed, strokes/mm

Figure 6.22 Effect of reciprocating-plate frequency on HETS for the Karr
column. (Source Ref. 64).

Table 6.32 Summary of Equations for Sizing the Karr, Reciprocating-Plate
Extractor

y = mass fraction of the key component in the solvent stream
x = mass fraction of the key component in the process stream
Subcripts: F = feed — S = solvent — M = minimum — k = key component
Refer to Figure 6.16 for meaning of the numerical subcripts.
k = key component

Minimum Solvent Flow Rate

K k x lk '-y 2k
(6.32.1)

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