Temp(°C) |
HRT(d) |
Volatile Acid Concentration (mg/L) |
Acetic Acid |
Propionic Acid |
i-Butyric Acid |
n-Butyric Acid |
i-Valeric Acid |
n-Valeric Acid |
i-Caproic Acid |
n-Caproic Acid |
Heptanoic Acid |
Total as Acetic Acid |
20-40 |
25 |
5.5 |
26.6 |
15.6 |
8.4 |
9.8 |
<0.01 |
11.7 |
3.9 |
5.7 |
60.0 |
20 |
44.0 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
44.7 |
15 |
3.0 |
26.0 |
10.7 |
11.3 |
9.7 |
1.3 |
3.3 |
2.4 |
2.5 |
50.0 |
10 |
53.8 |
56.9 |
35.7 |
8.2 |
11.5 |
5. |
9.0 |
4.7 |
16.9 |
154.8 |
15-25 |
25 |
54.1 |
73.6 |
13.7 |
18.3 |
3.9 |
<0.01 |
2.2 |
5.4 |
20.0 |
151.0 |
20 |
70.8 |
102.1 |
19.1 |
26.0 |
19.8 |
4.7 |
6.1 |
6.1 |
58.4 |
231.8 |
15 |
207.4 |
92.0 |
18.5 |
27.6 |
19.7 |
4.1 |
6.6 |
4.3 |
59.4 |
362.5 |
10 |
645.0 |
431.4 |
139.7 |
38.6 |
36.0 |
25.0 |
22.7 |
17.8 |
30.1 |
1187.0 |
Raw Manure |
1548.4 |
283.5 |
44.5 |
60.5 |
40.2 |
21.0 |
7.0 |
11.3 |
37.1 |
1913.0 |
|