Question: Data of Othmer and Agarwal [1] for the batch extraction of oil from soybeans by oil-free n-hexane at 80F are as follows: Determine whether these

Data of Othmer and Agarwal [1] for the batch extraction of oil from soybeans by oil-free n-hexane at 80°F are as follows:

Time, min 0 0.5 1 2 4 7 12 20 35 60

Determine whether these data are consistent with a constant effective diffusivity of oil in soybeans.

Time, min 0 0.5 1 2 4 7 12 20 35 60 120 Oil Content of Soybeans, g/g Dry, Oil-Free Soybeans 0.203 0.1559 0.1359 0.1190 0.0981 0.0775 0.0591 0.04197 0.03055 0.02388 0.02107

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