Batch Distillation: ConcepTest and Example Problem

Try to answer this ConcepTest and solve the example problem before using this module. Studies show that trying to answer the questions before studying material improves learning and retention. We suggest that you write down the reasons for your answers. By the end of this module, you should be able to answer these on your own. Answers will be given at the end of this module.

Image of a concepTest for the Batch Distillation on LearnChemE.com
Example Problem 1

50 mol of an ethanol-water mixture is loaded into a pot still and heated. When the first distillate is collected, the head temperature is 84ºC The still is run until the heat temperature is 89ºC What is the total amount of distillate collected? What is the composition of the distillate and waste products?

Image to help understand an example problem in the Batch Distillation Module