The effects of glucose, sodium thiosulphate and the
combination of these two compounds on the growth kinetics
of Chlorella sp. are summarized in Fig. 2. Under all growth
conditions, Chlorella sp. cells growth kinetics displayed a
typical growth S-curve, i.e. there were a lag phase from 0 to
3rd day, an exponential phase from 4th to 13th day and a
stationary phase after 13 days of growth. Initial addition of
glucose to the culture medium resulted in an increase in cell