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Bioresour Technol. 2021 Dec;342:125930. doi: 10.1016/j.biortech.2021.125930. Epub 2021 Sep 13.

A breakthrough dynamic-osmotic membrane bioreactor/nanofiltration hybrid system for real municipal wastewater treatment and reuse.

Bioresource technology

Nguyen Cong Nguyen, Hau Thi Nguyen, Hung Cong Duong, Shiao-Shing Chen, Huy Quang Le, Chinh Cong Duong, Le Thuy Trang, Chih-Kuei Chen, Phuoc Dan Nguyen, Xuan Thanh Bui, Wenshan Guo, Huu Hao Ngo

Affiliations

  1. Faculty of Chemistry and Environment, Dalat University, Dalat, Vietnam.
  2. Le Quy Don Technical University, Hanoi, Vietnam.
  3. Institute of Environmental Engineering and Management, National Taipei University of Technology, No.1, Sec. 3, Chung -Hsiao E. Rd, Taipei 106, Taiwan, Republic of China.
  4. Faculty of Chemistry and Environment, Dalat University, Dalat, Vietnam; Institute of Environmental Engineering and Management, National Taipei University of Technology, No.1, Sec. 3, Chung -Hsiao E. Rd, Taipei 106, Taiwan, Republic of China.
  5. Southern Institute of Water Resources Research, Ho Chi Ming City, Vietnam.
  6. Faculty of Environmental and Natural Sciences, Duy Tan University, Vietnam.
  7. Department of Environmental Engineering, National I-Lan University, I-Lan 26047, Taiwan.
  8. Centre de Asiatique de Recherche sur l'Eau, Ho Chi Minh City University of Technology-National University-HCM, Vietnam.
  9. Vietnam National University, Ho Chi Minh City, Vietnam; Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), Ho Chi Minh City 700000, Vietnam.
  10. Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology, Sydney, Broadway, NSW 2007, Australia.
  11. Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology, Sydney, Broadway, NSW 2007, Australia. Electronic address: [email protected].

PMID: 34547711 DOI: 10.1016/j.biortech.2021.125930

Abstract

This study designed a Dynamic-Osmotic membrane bioreactor/nanofiltration (OsMBR/NF) system for municipal wastewater treatment and reuse. Results indicated that a continuously rotating FO module with 60 RPM in Dynamic-OsMBR system could enhance shear stress and reduce cake layer of foulants, leading to higher flux (50%) compared to Traditional-OsMBR during a 40-operation day. A negligible specific reverse salt flux (0.059 G/L) and a water flux of 2.86 LMH were recorded when a mixture of 0.1 M EDTA-2Na/0.1 M Na

Copyright © 2021 Elsevier Ltd. All rights reserved.

Keywords: Draw solution; Dynamic OsMBR; Membrane fouling; Rotating FO module; Surfactant

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