3.19 and 3.20 are provided for reference

8.21. Cross-ilow cascade of ideal stages: nicotine extraction. Consider the nicotine extraction of Problems 3.19 and 3.20. Calculate the number of ideal stages required to achieve at least 95% extraction efficiency. 217 ure 8.80 Cross-flow cascado of ye ideal stages. 3.19b. Material balances in batch processes: extraction of an aqueous nicotine solution with kerosene Nicotine in a water solution containing 2% nicotine is to be extracted with kerosene at 293K. Water and kerosene are essentially insoluble in each other. Determine the percentage extraction of nicotine if 100kg of the feed solution is extracted in a sequence of four batch ideal extractions using 49.0kg fresh, pure kerosene each. The equilibrium data are given as follows (Claffey et al., 1950): 8.21. Cross-ilow cascade of ideal stages: nicotine extraction. Consider the nicotine extraction of Problems 3.19 and 3.20. Calculate the number of ideal stages required to achieve at least 95% extraction efficiency. 217 ure 8.80 Cross-flow cascado of ye ideal stages. 3.19b. Material balances in batch processes: extraction of an aqueous nicotine solution with kerosene Nicotine in a water solution containing 2% nicotine is to be extracted with kerosene at 293K. Water and kerosene are essentially insoluble in each other. Determine the percentage extraction of nicotine if 100kg of the feed solution is extracted in a sequence of four batch ideal extractions using 49.0kg fresh, pure kerosene each. The equilibrium data are given as follows (Claffey et al., 1950)