Fig. 7.3 Example of heterotrophic culture (Jar fermenter used to culture C. vulgaris K-155 under
dark conditions with 200 L of culture medium at 30 °C and glucose used as a carbon source)
Table 7.3 Growth properties of Chlorella strains
Strain
Specific growth
rate (lC/h)
Culturing
temperature (°C)
Light
exposure
Light saturation
value (klx)
Organic
carbon
Chlorella
pyrenoidosa
0.080
25
+
5.4
Emerson strain 0.041
25
–
Glucose
0.026
25
–
Sodium
acetate
C. pyrenoidosa
7-11-05
0.086
25
+
5.4
0.264
39
+
15
C. ellipsoidea 0.128
25
+
Tamiya strain 0.045
25
–
Glucose
0.033
25
–
Sodium
acetate
C. regularis
S-50
0.28
36
+
28
0.28
36
–
Sodium
acetate
(continued)
7.3 Mass-Production of Microalgae
207