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http://dx.doi.org/10.4491/KSEE.2012.34.10.678

Wastewater Treatment Using Ultrafiltration (UF) and Reverse Osmosis (RO) Process  

Choi, H.J. (Department of Environment & Health, Kwandong University)
Park, Y.J. (SK Engineering and Construction)
Lee, S.M. (Department of Environment & Health, Kwandong University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.34, no.10, 2012 , pp. 678-683 More about this Journal
Abstract
One of alternatives to solve the global water shortages is the reuse of wastewater. The aim of this study was to evaluate whether it can be reused for industrial water from wastewater in "A" City with ultrafiltration (UF) and reverse osmosis (RO) process. The results obtained in this study were that the inorganics such as Na, Mg, Cl, Ca, Mn, $PO_4$, $SO_4$, etc. were removed with high treatment efficiency (more than 97%), respectively. However, the removal of $NH_4$-N, TN, $NO_3$-N, BOD was found to be 35.71%, 85.21%, 87.05% and 56%, respectively. The removal efficiency of nutrients was relatively low compared to other metal ions. Despite low nutrients removal, the treated wastewater is recommended to reuse, because the nutrient contents in influent from the secondary wastewater treatment plant were small amount. In addition, all other metrics in the wastewater were found to be lower amount than wastewater reuse criteria. Therefore, the wastewater treated by UF-RO could be sufficient to reuse for industrial waster.
Keywords
Wastewater Treatment; Nutrients Removal; UF-RO Process; Wastewater Reuse;
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