Research Article
Treatment of Slaughter House Wastewater in a Sequencing Batch Reactor: Performance Evaluation and Biodegradation Kinetics
Table 4
Evaluation of biokinetic coefficients for nitrification from slaughterhouse wastewater in SBR.
| Initial -N
(mg/L as N) | (4+4) hr react period combination | (5+3) hr react period combination | (3+5) hr react period combination | Standard values for kinetic constants [44] |
| | 180 ± 10 | (i) Substrate utilization-
(ii) Microbial growth-
(day−1) = 21.27
(mg/L -N) = 50.44
(mg VSS/mg -N) = 0.234
(day−1) = 0.047 | (i) Substrate utilization-
(ii) Microbial growth-
(day−1) = 29.41
(mg/L -N) = 70.93
(mg VSS/mg -N) = 0.284
(day−1) = 0.051 | (i) Substrate utilization-
(ii) Microbial growth-
(day−1) = 17.85
(mg/L -N) = 21.83
(mg VSS/mg -N) = 0.205
(day−1) = 0.037 | (day−1) = (1–30)
(mg/L -N) = (0.2–5.0)
(mg VSS/mg -N) = (0.1–0.3)
(day−1) = (0.03–0.06) |
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