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Performance of Aerobic MBR Treating High Strength Oily Wastewater at Mesophilic –Thermophilic Transitional Temperatures

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Abstract:

The performance of an aerobic membrane-coupled bioreactor (MBR) operating at mesophilic- thermophilic transitional temperatures (40°C) treating oily rendering wastewater has been evaluated in terms of COD, BOD5, oil and grease, solids and ammonia removal at 5 and 10-day HRT. The COD removal efficiency increased from 78% to 96%, BOD5 removal from 87 to 99% and oil and grease removal from 92 to 95% with the increase in hydraulic retention time (HRT) from 5 to 10 days. The operation at atypically high temperatures showed promise as a treatment solution due to the low sludge yields of 0.03 g VSS/g COD.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864706783751519

Publication date: January 1, 2006

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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