Research Article
Treatment of Slaughter House Wastewater in a Sequencing Batch Reactor: Performance Evaluation and Biodegradation Kinetics
Table 5
Denitrification rates during anoxic react phase for treatment of slaughterhouse wastewater in SBR.
| Initial -N
(mg/L as N) | Initial SCOD
(mg/L) | React period combination (Aerobic/Anoxic) | Avg. anoxic SCOD utilization rate ()
(mg SCOD/gm MLVSS. hr) | Specific denitrification rate () (mg N/gm MLVSS. hr) | | 1.0 hr | 2.0 hr | 3.0 hr | 4.0 hr | 5.0 hr | Avg.
(3.0 hrly) | Avg.
(4.0 hrly) | Avg.
(5.0 hrly) |
| | 185.24 | 1028.55 | (4+4) | 26.25 | 4.49 | 5.57 | 5.85 | 3.89 | — | 5.30 | 4.95 | — | | 173.88 | 1023.22 | (5+3) | 34.87 | 4.27 | 5.51 | 4.16 | — | — | 4.64 | — | — | | 176.85 | 1042.52 | (3+5) | 38.15 | 4.57 | 5.55 | 6.16 | 7.24 | 6.23 | 5.42 | 5.88 | 5.95 |
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