Table 1 Photosynthetic efficiency, specific growth rate, and doubling time of Dunaliella tertiolecta under different sodium bicarbonate concentrations during cultivation using rotating floating photobioreactor

1

0^f

0

0

0

0

0

∞^g

∞

∞

2

0.82 ± 0.39

0.82 ± 0.71

0

0.0039 ± 0.0033^A

0.0131 ± 0.0015^B

0.0124 ± 0.0024^B

177.69 ± 9.29^X

53.28 ± 6.42^Y

57.47 ± 12.30^Y

3

0.85 ± 0.73

2.01 ± 1.07

1.08 ± 0.03

0.0004 ± 0.0003^A

0.0164 ± 0.0019^B

0.0155 ± 0.0019^B

1733.32 ± 4.35^X

42.70 ± 5.10^Y

45.32 ± 5.91^Y

4

0.15 ± 0.08^α

2.08 ± 0.05^β

2.39 ± 0.03^β

0.0005 ± 0.0004^A

0.0168 ± 0.0010^B

0.0156 ± 0.0014^B

1386.78 ± 8.15^X

41.39 ± 2.59^Y

44.66 ± 4.27^Y

5

0^α

2.74 ± 0.10^β

2.76 ± 0.13^β

0^A

0.0175 ± 0.0005^B

0.0184 ± 0.0005^B

∞^X

39.73 ± 1.15^Y

37.78 ± 1.03^Y

6

0.20 ± 0.07^α

3.09 ± 0.11^β

3.50 ± 0.13^γ

0.0006 ± 0.0005^A

0.0157 ± 0.0006^B

0.0169 ± 0.0007^B

1155.24 ± 11.65^X

44.11 ± 1.69^Y

41.02 ± 1.74^Y

7

0^α

3.24 ± 0.09^β

3.71 ± 0.09^γ

0^A

0.0142 ± 0.0006^B

0.0153 ± 0.0005^B

∞^X

48.97 ± 2.07^Y

45.38 ± 1.56^Y

8

0.20 ± 0.13^α

3.00 ± 0.07^β

3.66 ± 0.07^γ

0.0002 ± 0.0001^A

0.0129 ± 0.0005^B

0.0138 ± 0.0005^B

3465.22 ± 6.45^X

53.88 ± 2.13^Y

50.40 ± 1.96^Y

9

0.12 ± 0.09^α

3.08 ± 0.06^β

3.98 ± 0.06^γ

0.0002 ± 0.0001^A

0.0120 ± 0.0007^B

0.0126 ± 0.0005^B

3465.22 ± 6.45^X

57.97 ± 3.30^Y

55.26 ± 1.94^Y

10

0.20 ± 0.06^α

2.79 ± 0.04^β

4.08 ± 0.04^γ

0.0005 ± 0.0004^A

0.0106 ± 0.0006^B

0.0118 ± 0.0004^B

1386.78 ± 8.15^X

65.56 ± 3.53^Y

58.75 ± 2.22^Y

11

0^α

2.58 ± 0.08^β

4.27 ± 0.07^γ

0^A

0.0094 ± 0.0003^B

0.0112 ± 0.0003^C

∞^X

73.44 ± 2.11^Y

62.05 ± 1.93^Z

12

0^α

2.42 ± 0.01^β

4.61 ± 0.07^γ

0^A

0.0085 ± 0.0003^B

0.0107 ± 0.0003^C

∞^X

82.07 ± 2.55^Y

64.77 ± 1.95^Z

13

0^α

2.31 ± 0.01^β

4.51 ± 0.03^γ

0^A

0.0081 ± 0.0003^B

0.0100 ± 0.0003^C

∞^X

86.13 ± 3.09^Y

69.49 ± 2.33^Z

14

0^α

2.15 ± 0.05^β

4.61 ± 0.04^γ

0^A

0.0076 ± 0.0004^B

0.0095 ± 0.0003^C

∞^X

91.92 ± 4.59^Y

73.22 ± 2.26^Z

15

0^α

2.07 ± 0.01^β

4.46 ± 0.02^γ

0^A

0.0070 ± 0.0003^B

0.0089 ± 0.0003^C

∞^X

98.88 ± 3.75^Y

78.20 ± 2.41^Z

16

0^α

1.86 ± 0.04^β

4.18 ± 0.05^γ

0^A

0.0062 ± 0.0002^B

0.0083 ± 0.0002^C

∞^X

112.41 ± 3.88^Y

83.21 ± 2.46^Z

17

0^α

1.76 ± 0.02^β

4.48 ± 0.06^γ

0^A

0.0060 ± 0.0002^B

0.0082 ± 0.0002^C

∞^X

116.65 ± 4.75^Y

85.08 ± 2.37^Z

18

0^α

1.68 ± 0.01^β

4.55 ± 0.05^γ

0^A

0.0057 ± 0.0003^B

0.0078 ± 0.0002^C

∞^X

122.87 ± 6.44^Y

88.88 ± 2.53^Z