Table 1.
Determination and examination, frequency and bibliographic reference of the methodologies used for influent, effluent, sludge, and biogas.
| Examination and determination | Frequency | Bibliographic |
|---|---|---|
| Influent and effluent | Reference | |
| pH | Twice a week | (Method: 4500 – B)14 |
| Total (totalCOD), dissolved (dissCOD), and suspended (ssCOD) chemical oxygen demand | Twice a week | (Method: 5220 – B)14 |
| total (TA), partial (PA), and intermediary (IA) alkalinity | Twice a week | 14, 17 |
| Total (TSS), volatile (VSS), and fixed (FSS) suspend solids | Twice a week | (Method: 2540 – C e 2540 – E)14 |
| Total volatile acids (TVA) | Twice a week | 18 |
| Kjeldahl nitrogen (KN) | Twice a week | (Method: 4500-N-C)14 |
| Total phosphorus (totalP) | Twice a week | (Method: 4500-P-C)14 |
| Sludge | ||
| Total solids (TS) and volatile solids (VS) | Biweekly | (Method 2540 – B and 2540 – E)14 |
| Biogas | ||
| Production | Daily | (Method: gasometer)19 |
| Composition | Weekly | 14 (Method: gas chromatography) |