Pressure
(bar)
Turbidity
(NTU)
COD
(mg.L-1)
Conductuvity
(mS.cm-1)
pH
UF Commercial Membrane 1 0.85 1367.44 45.50 5.74
2 1.15 1565.50 37.50 5.97
3 2.06 1830.60 47.90 5.94
UF Clay  Membrane 1 0.70 1095.45 35.50 5.81
2 1.05 1225.50 48.90 5.94
3 1.80 1405.50 46.70 6.03
Table 3: Turbidity, COD, conductuvity and pH of ultrafiltrated effluent by commercial and clay membrane.