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1 . 9 0 0 kg of crushed oil seeds ( 2 2 % oil, 7 8 % meal ) is extracted in a three

1.900 kg of crushed oil seeds (22% oil, 78% meal) is extracted in a three-stage cross-current unit using 600 kg of pure hexane in each stage. Determine the fraction of oil extracted using triangular diagram. The equilibrium data are as follows:
Overflow (100 kg) solution Underflow (100 kg) slurry
WA (kg) WB (kg) WC (kg) WA (kg) WB (kg) WC (kg)
0.399.7067.232.80
0.4590.68.9567.129.942.96
0.5484.5414.9266.9328.114.96
0.7074.4724.8366.5825.068.36
0.7769.4629.7766.2623.6210.12
0.9160.4438.6565.7520.913.35
0.9954.4544.5665.3319.0715.6
1.1944.4654.3564.3916.0219.59
1.2838.5060.2263.7714.1322.10
1.2834.5564.1763.2312.8723.90
1.4824.6373.8961.549.6128.85
Calculate the fraction of oil extracted in a single stage contactor for the same volume (1800kg) of the solvent as mentioned in Question 1 and comment on the result. Solve using Ponchon-Savarit method.

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