Generally, a process is defi ned as a sequence of events that transforms the biological materials of food products, via biochemical changes, into stable forms with added value. This can create new products or modify existing ones. Process design refers to the design of food processes and manufacturing methods, while plant design refers to the design of the whole processing plant. The processing of food is no longer as simple or straightforward as in the past. Food process design is an interdisciplinary science that is highly regarded by the food industry. The architecture of food process engineering is based on the solid foundations of chemical and mechanical.