This process route is the base case and employed technology
similar to previous industrial processes for butanol production,
and consisted of batch fermentation followed by steam stripping
distillation. Three process designs were developed for this process
route, each using a different fermentation strain, which resulted in
different fermentation parameters, product concentrations, and
overall plant design.
Process Design 1.1 (A in Fig. 3) – Clostridium acetobutylicum
ATCC824. Both the batch fermentation and overall design of this
model was based on the base case process design simulated in
the study by Roffler et al. [24].
Process Design 1.2 (B in Fig. 3) – C. acetobutylicum PCSIR-10. The
design of this process was based on the base case process design
simulated by Roffler et al. [24], with replacement of the batch fermentation
data with the laboratory research results by Syed [27].
Process Design 1.3 (C in Fig. 3) – Clostridium beijerinckii BA101.
The design of this process was based on the base case process design
simulated by Marlatt and Datta [11], with the batch fermentation
based on the laboratory research results by Ezeji et al. [4].