Table 1 Effect of L-cysteine concentration on hydrogen production kinetics and nitrogenase activity
From: Photo-fermentative bacteria aggregation triggered by L-cysteine during hydrogen production
L-cysteine (g/l) | H2yield (mol H2/mol acetate) | H max (ml/l) | R max (ml/l/h) | λ(h) | r 2 | Nitrogenase activity (nmol C2H4/ml/h) |
|---|---|---|---|---|---|---|
0.0 | 2.33±0.106 | 2610±118 | 24.97 | 36.22 | 0.998 | 957±85 |
0.5 | 2.46±0.123 | 2755±137 | 29.35 | 31.77 | 0.997 | 1125±78 |
1.0 | 2.58±0.129 | 2878±144 | 32.85 | 27.46 | 0.994 | 1374±94 |
1.5 | 1.66±0.114 | 1859±127 | 20.81 | 46.10 | 0.996 | 765±69 |