The comparison of design alternatives is a common design task for food proc
ess engineers. Foods Operations Oriented Design System Block Library (FOODS
-LIB (C)) in conjunction with its economic analysis program (ECONANAL) can
be used in this capacity. To demonstrate how FOODS-LIE can be used in a tim
e efficient manner to perform analysis of design alternatives, a case study
was conducted in which five alternative processes to manufacture whole mil
k powder were compared. The design goal was to minimize steam use and maxim
ize 10 yr net present worth. (C) 2000 Elsevier Science Ltd. All rights rese
rved.