In Thailand, cassava chip feedstock ethanol plants dominate
with 70% of all capacity. This research, data was collected by
interviewing with plant manager and engineers from 2 ethanol
plants in the Northeastern region of Thailand. One of the plants
used cassava chip, and another one used fresh cassava as feedstock.
Both of the plants are using SSF technology. Moreover, data from
several previous studies in Thailand were also used (Gheewala
et al., 2013; Moriizumi et al., 2012; Sriroth, 2013). All the data