Cyanide concentration (mg/L)
Agro-waste
Maximum growth rate (μm) (d
-1
)
Biodegraded cyanide (mg/L)
Degradation efficiency (%)
Initial NH
4
+
concentration (mg/L)
Max. NH
4
+
concentration (mg/L)
Max. cell concentration (CFU/mL)
Lag phase
(Days)
200
B. vulgaris
3.64 (2 days)*
27 ± 1.25
20
54 ± 1.67
76 ± 3.0
8.71x 106
1.00
I. batatas
2.95 (3 days)*
47 ± 1.08
31.4
60 ± 1.50
82 ± 1.50
1.23 x 107
1.00
A. comosus
2.18 (2 days)*
60 ± 0.92
37.6
46 ± 0.5
100 ± 1.6
1.25 x 107
1.00
SBY
2.62 (2 days)*
32 ± 0.78
22.2
72 ± 0.65
88 ± 1.6
1.18 x 107
1.00
400
B. vulgaris
2.92 (2 days)*
23 ± 1.08
8.9
53 ± 1.5
41 ± 1.05
6.42 x 106
1.00
I. batatas
1.93 (3 days)*
23 ± 1.25
11
60 ± 2.00
32 ± 0.75
9.21 x 106
1.00
A. comosus
3.40 (2 days)*
67 ± 1.58
20.5
45 ± 0.35
50 ± 1.1
4.71 x 106
1.00
SBY
3.07 (2 days)*
18 ± 1.25
8.1
71 ± 0.1
50 ± 1.1
7.01 x 106
1.00
*Period observed for exponential growth phase.
Table 2:
Other results achieved using agro-waste as a sole supplement for the free cyanide degradation bioprocess.
