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Lessons Learned on Long-Term Operation of MBBR for Refinery Wastewater Treatment

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The Moving Bed Biofilm Reactor (MBBR) treatment process can be used as an add-on feature or can be an alternative to activated sludge for biological treatment of refinery wastewater, showing superior volumetric removal rates and eliminating the recirculation of sludge. In this paper, we examine the 11-year operation of the AnoxKaldnes™ MBBR for first-stage COD removal, its performance under various operating conditions, and its ability to withstand process upsets.

Keywords: COD removal; activated sludge; ammonia removal; biological treatment; industrial wastewater; long-term operation; moving bed biofilm reactor (MBBR); pretreatment

Document Type: Research Article


Publication date: January 1, 2009

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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 These proceedings are not peer reviewed.

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