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Table 2 Concentration of individual DIC species, cell growth, and lipid production of C. vulgaris in 160 mM NaHCO3 cultures at varied pH

From: Effects of sodium bicarbonate on cell growth, lipid accumulation, and morphology of Chlorella vulgaris

 

dCO2

pCO a2 (atm)

[HCO3]

[CO32−]

DCWm (g L−1)

LC (mg g−1)

LCb (mg g−1)

pH 7.5

11.29

0.332

148.49

0.22

1.00

138.1

110.6

pH 8.5

1.19

0.035

156.53

2.28

1.20

175.9

126.0

pH 9.5

0.11

0.0003

139.58

20.32

0.60

494

244.81

  1. aPartial CO2 pressure in aeration stream assuming the same dCO2 was obtained by bubbling pure water at 25 °C using Henry’s law is applicable (KH = 29.41 atm mol−1)
  2. bLC of 160 mM NaCl cultures at different pH levels