The permeate quality obtained at 12 bar satisfied the actual process water quality except for COD parameter. However,COD value
of permeate was below 25mg/L which is suitable for process water
and also permeate had excellent quality in terms of other parameters at 28 bar. As a conclusion,it was observed that the resulting
permeate was colorless,free from Suspended solids and total hardness at this transmembrane pressure. In addition,COD,chloride,
sulphate and conductivity removal were obtained as>97%,82%,
>99% and87%,respectively.