Agitation speed (rpm) Biomass (g/l) Decolorization (%)
0 2.17±0.13 32 ± 1.5
100 4.18± 0.82 52± 2.3
150 3.93 ± 0.25 62 ±2.1
200 2.26±0.07 47±1
P-value 0.001 <0.001
Table 4: Effect of agitation on decolorization (%) of TOPW fermented with Aspergillus niger after 96 h of culture at 30°C.