Superposition-Multistage Countercurrent Extraction

Because many of the elements above the principal diagonal are zero, Eq. (10.12-1) can be readily solved by Gauss reduction. The extraction yield is 

TABLE 10.1Z-Z Elanaents of Matrix Eq. (10.12-1 When Using Multistage Crossflow Extractors 

Additional matrix formulations have been developed for crossflow extractors in which accidental racir-dilation uccars because the sumpa have been incorrectly posirionnd. When the sumps are placed too far forward and tha extract mixes completely on the top of the bed in each stage the matrix is exactly the same as for the recirculation case listed in Table 10.12-2. 

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