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In order to reuse the water in the rinse procedures, it is necessary to have a negligible quantity of COD concentration in the permeate stream. The NF system has the physicochemical treatment related to the fabric wastewater attains COD removal effectiveness around 50%. Additionally, the typical removal shade by utilize of naturally processes acquired just 70%, which are advised potential of using nanofiltration for message handling treatment. The high quality of the dealt with wastewater could be improved if the innovative procedures are integrated with them. Making use of ultrafiltration process could not considerably minimize the COD of the physicochemical cured water. Nevertheless, using nanofiltration membrane layers, the COD focus could dramatically be decreased in such manner ins which permeate of the nanofiltration membrane layer could be reused in the industry. Aside from the should throw away the brine, RO has a minimal environmental influence. The modern technology makes very little use of chemicals. Disadvantages of Utilizing Reverse Osmosis Membrane:. The membrane layers are sensitive to misuse. The feed water typically should be pretreated to remove particulates (in order to prolong membrane life). There may be interruptions of solution throughout thundercloud (which might raise particle resuspension as well as the quantity of suspended solids in the feed water) for plants that utilize salt water.