International Scholarly Research Notices

Research Article

Treatment of Palm Oil Mill Effluent by a Microbial Consortium Developed from Compost Soils

Table 1

Characteristics of the different POME treatments used in the study.
Parameters (mg/L)Raw POME POME supernatantPOME supernatant + (NH4)2SO4 (0.5%) + yeast extract (0.25%)POME (100%) after treatment with single strainPOME after treatment with mixed cultures
pH*3.98 ± 0.023.97 ± 0.034.03 ± 0.024.03 ± 0.027.79 ± 0.15
Oil/grease
(O and G)		2,800 ± 300840 ± 40860 ± 25530 ± 18ND
COD 60,400 ± 7848,700 ± 50010,350 ± 43010,360 ± 3501,000 ± 100
Total soluble carbohydrate 4,470 ± 230580 ± 65660 ± 30645 ± 25845 ± 24
Total solids
(TS)		27,300 ± 640NDNDNDND
Total suspended solids (TSS)24,000 ± 690NDNDNDND
Phenol 100 ± 00100 ± 00100 ± 00100 ± 00ND
Ammonia
(nitrogen)		410 ± 2040 ± 051,250 ± 851,520 ± 55780 ± 20
Nitrogen (total)1,850 ± 50110 ± 072,735 ± 1302,650 ± 901,920 ± 75
Nitrates 500 ± 2090 ± 04840 ± 30830 ± 20750 ± 30
ND: not detected.
Not measured in mg/L.