Investigation of Water Treatment Produced by Nanofiltration

This paper summarized nanofiltration (NF) studies which focused on treatment west water , this new technology has potential applications in treatment water process for getting fresh water usage which solved from organic and inorganic molecules enabling to reuse for various purpose . The NF membrane that used in this paper enabled to remove of up to 95% of total divalent ions and even surface water and make-up water consumption and . the permeability flux of water (J) as a function of influence pressure at different operation for the NF membrane which carried out on laboratory unit calculated which has strong form of the critical water flux exists when the flux up to a point is equivalent to the corresponding pure water flux at the same pressure. the relation between the permeate flux by measuring the collected permeate weight through the surface area of membrane as afunction of operating time course evaluated at different temperature and pressure . the permeate flux is going up along with increasing temperature and pressure.