Table 1 Characteristics of raw and enzymatically hydrolysed palm oil mill effluent (POME) used in the experiment
Parameters | Unit | Raw POME | Enzymatic POME hydrolysate |
|---|---|---|---|
Biochemical oxygen demand (BOD) | mg/L | 16,900 ± 5671 | 59,483 ± 1200 |
Chemical oxygen demand (COD) | mg/L | 82,685 ± 7112 | 72,727 ± 6389 |
Total solid (TS) | mg/L | 73,806 ± 3227 | 78,956 ± 4337 |
Total volatile solid (TVS) | mg/L | 61,680 ± 1351 | 67,611 ± 3852 |
Solid suspended (SS) | mg/L | 46,254 ± 591 | 27,067 ± 1006 |
Oil & grease (O&G) | mg/L | 8540 ± 169 | 9033 ± 368 |
Total nitrogen (TN) | mg/L | 1218 ± 86 | 1530 ± 36 |
Volatile fatty acid (VFA) | mg/L | 1130 ± 77 | 1287 ± 120 |
Total organic carbon (TOC) | mg/L | 7500 ± 2474 | 23,250 ± 6010 |
pH | 4.34 | 4.47 | |
Temperature | °C | 80 – 90 | 50 |
Moisture content | % | 95 – 96 | 95.8 – 99.1 |