1. Each 100kg of beans contains 1.5kg of vanilla 2. The ethanol removes 90% of the vanilla from the beans 3. For each 100kg of vanilla beans, 20kg of ethanol leaves with the bean residue. 90% is recovered through drying and passed back to the mixing tank 4. The solvent entering the mixing tank consists of 95% ethanol and that entering the separation is 88% ethanol. The vanilla extract still contains 5% ethanol We want to know the ethanol feed, the recycle of ethanol and the vanilla extract leaving the process