The processes being analyzed could be described as: Sterilizing
molasses from a sugar cane mill, fermentation of this feedstock to
ABE, and purification and separation of the products. Facilities to
produce utilities at the required capacity, a laboratory, and waste
disposal areas are not included in the process designs, although
the operational costs of process utilities were included. Process designs
do allow for in-process and product storage. All the designs
consisted of the main areas as illustrated in Fig. 2.
Three different process routes were modeled with technology
(process steps) that are suitable for scale up to industrial scale
production.