Compound

 

Age/day

 

Degradation %

Lyngbya lagerlerimi

Nostoc
Linckia

Oscillatoria rubescens

Chlorella vulgaris

Elkatothrix viridis

Volvox aureus

a-naphthol

 

3
5
7

 

 

36.58
36.59
ND

40.56
40.57
ND

44.41
59.49
59.50

68.68
71.19
71.20

6.47
8.09
8.10

2.11
2.13 2.13

 

 

 

 

 

 

 

 

 

 

b-naphthol

 

3
5
7

 

 

-
-
ND

-
-
ND

0.0
0.0
3.04

52.80
52.81
52.83

0.0
0.0
6.11

-
-
-

Phenol

 

3
5
7

 

 

64.38
64.39
ND

-
-
ND

-
-
-

-
9.03
9.05

5.03
5.04
5.05

-
-
-

 

 

 

 

 

 

 

 

 

 

Catechol

 

3
5
7

 

 

23.79
23.80
ND

56.36
56.38
ND

0.0
0.0
2.11

-
-
-

52.50
52.51
52.53

-
-
-

Means that the alga oxidized phenolic compounds, and this is accompanied by shift in the Wavelength, and change in the colour.
ND not detected
Table 1: Degradation of different Phenolic compounds by the different isolated algae.