6.2 Semi-batch Study in the Hybrid Bioreactor
91
Table 6.2 Results of 8-days semi-batch study conducted in batch interval @ 2 h
Day Influent Initial Batch MLSS(mg/l) COD(mg/l) NH 4
+ –N NO 3− N Attached
1
100
2000 0
1958
95
6.32
20
878
2
1970
75
3.1
23
1145
4
1978
60
1.3
23.5
1398
6
1984
48
0.9
24.7
1475
8
2000
25
1579
2
100
2500 0
2533
97
4.8
20.4
885
2
2541
87
2.9
22.3
1475
4
2556
67
2.6
22.5
1650
6
2570
45
2.3
23
1883
8
2579
29
1917
3
150
2000 0
1989
165
16.5
23
672
2
2015
130
13
25.5
1588
4
2041
86
10.6
26
1889
6
2050
46
8.3
31
1975
8
2068
19
6.65
33.5
2010
4
150
2500 0
2490
158
12
28
680
2
2531
90
7.5
34
1818
4
2541
45
4.5
37
2151
6
2545
27
3.0
38
2194
8
2547
18
5.0
15
2244
5
200
2500 0
2575
189
20
28
979
2
2625
87
15
34
1971
4
2630
41
11.5
37
2023
6
2595
30
11.5
38.5
2152
8
2614
13
10.2
41
2509
6
250
2000 0
2067
270
24
42
999
2
2118
155
14.2
48
1589
4
2122
59
9.3
51
1693
6
2093
28
6.5
54.3
1834
8
2116
21
3.6
53
1990
7
250
2500 0
2455
245
18.5
43
1050
2
2528
139
13.5
47
1985
4
2561
89
11.5
50
2065
6
2578
61
8.3
50
2196
8
2590
38
7.95
52.5
2575