Wg. Lee et al., A CELL RETENTION INTERNAL FILTER REACTOR FOR ETHANOL-PRODUCTION USINGTAPIOCA HYDROLYSATES, Biotechnology techniques, 8(11), 1994, pp. 817-820
Ethanol fermentation with Saccharomyces cerevisiae was carried out in
a bioreactor equipped with a sintered stainless steel filter to obtain
a high cell density as well as a high productivity. With a 100 g gluc
ose/l feed, the maximum yeast concentration was 208 g/L similar to tha
t obtained in external membrane cell recycle cultures. However, with t
apioca hydrolysates, treated with activated carbon column, the yeast c
oncentration attained was 42g/L.