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Water 2015, 7(3), 1164-1172; doi:10.3390/w7031164

Full-Scale Implementation of a Vertical Membrane Bioreactor for Simultaneous Removal of Organic Matter and Nutrients from Municipal Wastewater

1
Department of Biomedical, Chemical and Environmental Engineering, 701 Engineering Research Center, University of Cincinnati, Cincinnati, OH 45221-0012, USA
2
Daewoo Institute of Construction Technology, Gyeonggi-do 440-200, Korea
3
Department of Civil Engineering, Kyung Hee University, Gyeonggi-do 446-701, Korea
4
Department of Environmental Engineering, Kongju National University, Chungcheongnam-do 330-717, Korea
5
Department of Civil and Environmental Engineering, Korea Advanced Institute of Science & Technology, Daejeon 305-701, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Irene G. Xagoraraki
Received: 10 October 2014 / Revised: 9 November 2014 / Accepted: 5 March 2015 / Published: 17 March 2015
(This article belongs to the Special Issue Wastewater Treatment and Reuse)
View Full-Text   |   Download PDF [743 KB, uploaded 9 June 2015]   |  

Abstract

In nutrient-sensitive estuaries, wastewater treatment plants (WWTPs) are required to implement more advanced treatment methods in order to meet increasingly stringent effluent guidelines for organic matter and nutrients. To comply with current and anticipated water quality regulations and to reduce the volume of produced sludge, we have successfully developed a vertical membrane bioreactor (VMBR) that is composed of anoxic (lower layer) and oxic (upper layer) zones in one reactor. Since 2009, the VMBR has been commercialized (Q = 1100–16,000 m3/d) under the trade-name of DMBRTM for recycling of municipal wastewater in South Korea. In this study, we explore the performance and stability of the full-scale systems. As a result, it was found that the DMBRTM systems showed excellent removal efficiencies of organic substances, suspended solids (SS) and Escherichia coli (E. coli). Moreover, average removal efficiencies of total nitrogen (TN) and total phosphorus (TP) by the DMBRTM systems were found to be 79% and 90% at 18 °C, 8.3 h HRT and 41 d SRT. Moreover, transmembrane pressure (TMP) was maintained below 40 kPa at a flux of 18 L/m2/h (LMH) more than 300 days. Average specific energy consumption of the full-scale DMBRTM systems was found to be 0.94 kWh/m3. View Full-Text
Keywords: nutrients; wastewater treatment plants; vertical membrane bioreactor; DMBRTM; specific energy consumption nutrients; wastewater treatment plants; vertical membrane bioreactor; DMBRTM; specific energy consumption
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chae, S.-R.; Chung, J.-H.; Heo, Y.-R.; Kang, S.-T.; Lee, S.-M.; Shin, H.-S. Full-Scale Implementation of a Vertical Membrane Bioreactor for Simultaneous Removal of Organic Matter and Nutrients from Municipal Wastewater. Water 2015, 7, 1164-1172.

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