Organized Industrial Zones (OIZ) are growing in number since the year 1962, and as of 2018, the number of mixed, specialized and rehabilitated OIZs is more than 300. In these regions, wastewater management is mostly contracted with the municipality and in 46% of the regions have a treatment plant. Wastewater treatment plants (WWTPs) in Turkey have usually conventional WWTPs (only carbon removal) while some large-scale OIZs have advanced treatment plants that removes nitrogen and phosphorus besides carbon (Adana, Antalya, Balikesir OIZs). Turkey's textile, metal, food and recycling industries are using excessive water in their processes. New technologies need to be developed in order to protect the existing water resources and to reuse water. Membrane treatment systems are among the best available techniques for water reuse. In this study, laboratory scale studies were performed with different membranes for reuse of wastewater from OIZ. Membrane bioreactors (MBRs) and membrane filtration systems are studied with different molecular weight cutoff values. As a result of the studies, treatment of OIZ raw water by MBR, nanofiltration (NF) and reverse osmosis (RO) membranes were investigated and the best membrane configuration was determined. In addition, the treatment of OIZ effluent water with UF and NF-RO membranes was investigated and the membrane pairs were determined to give the best results. In both studies, both the efficiencies and the performance of the membranes were evaluated by evaluating the compliance with the irrigation water criteria specified in Turkish Irrigation Water Standards.  

Keywords - organize sanayi bölgesi, membran filtrasyon, yeniden kullanım

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