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Experimental performance evaluation of polymeric membranes for treatment of an industrial oily wastewater Original Research Article
Author/Authors :
Abdolhamid Salahi، نويسنده , , Ali Gheshlaghi، نويسنده , , Toraj Mohammadi، نويسنده , , Sayed Siavash Madaeni، نويسنده ,
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روزنامه با شماره پیاپی سال 2010
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In a comparative research, five polymeric membranes were employed to treat the oily wastewater of Tehran refinery using cross-flow membrane filtration. To do these experiments, the outlet wastewater of the API (American Petroleum Institute) unit of Tehran refinery was used as the feed. Five different membranes were used including two microfiltration (MF) PS (0.1 μm) and PS (0.2 μm) membranes and three ultra-filtration (UF) PAN (20 kDa), PS (30 kDa) and PAN (100 kDa) membranes. The performances of these membranes for treatment of the oily wastewater were evaluated and compared. The final permeation flux of oily wastewater was determined for each membrane (76.0, 73.1, 53.7, 32.1 and 96.2 L/m2 h, respectively). The PAN (20 kDa), PS (30 kDa) and PAN (100 kDa) membranes showed higher rejection, lower permeation flux and higher permeation flux, respectively. The PAN (100 kDa) UF membrane was effective and suitable for treatment of the oily wastewater to achieve up to 94.1%, 31.6%, 96.4%, and 97.2% removal of TSS, TDS, turbidity and oil-grease content, respectively with a permeation flux of 96.2 L/(m2 h).
Keywords :
Oily wastewater , Polymeric membranes , Fouling , Cleaning
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