High Level Ethanol from Sugar Cane Molasses by a New Thermotolerant Saccharomyces cerevisiae Strain in Industrial Scale

Table 1

Effect of varying concentrations of urea (as nitrogen source) on ethanol production by S. cerevisiae F-514 using sugarcane molasses.

Urea kg/65 m^3	Initial pH	EOH% v/v	RS%	FE%	Final pH	Viable yeast cells ×10^8	Yeast yield (g/L)
10	4.6	7.8	3.11	70.1	4.9	2.55	10.4
15	4.6	8.1	2.85	72.8	5.0	2.75	10.8
20	4.7	8.3	2.60	74.6	5.1	2.90	11.4
25	4.7	8.4	2.46	75.5	5.2	2.90	11.4
30	4.8	8.2	2.66	73.7	5.4	2.85	11.2