Mixing two liquids together seems deceptively simple at fi rst glance. Even mixing solids into liquids appears easy, until one tries to do it on a scale of hundreds or thousands of gallons.
Mixing plays a major role in food processing. Fruit juice concentrates are routinely diluted with water and added sweetener to make beverages. Milk and sweeteners have emulsifi ers and fl avors added to make ice cream. Soft drinks are made by mixing sweetener, fl avor, and water with carbon dioxide. Salad dres…