Cong Nguyen, N. and Thi Nguyen, H. and Cong Duong, H. and Chen, S.-S. and Quang Le, H. and Cong Duong, C. and Thuy Trang, L. and Chen, C.-K. and Dan Nguyen, P. and Thanh Bui, X. and Guo, W. and Hao Ngo, H. (2021) A breakthrough dynamic-osmotic membrane bioreactor/nanofiltration hybrid system for real municipal wastewater treatment and reuse. Bioresource Technology, 342: 125930. ISSN 9608524
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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 Na2CO3/0.9 mM Triton114 functioned as draw solution (DS). It was found that the Dynamic-OsMBR/NF hybrid system could effectively remove pollutants (∼98% COD, ∼99% PO43—P, ∼93% NH4+-N, > 99% suspended solids) from wastewater. In short, this developed system can be considered a breakthrough technology as it successfully minimizes membrane fouling by shear force, and achieves high water quality for reuse by two membrane- barriers. © 2021 Elsevier Ltd
| Item Type: | Article |
|---|---|
| Divisions: | Faculties > Faculty of Physical and Chemical Engineering |
| Identification Number: | 10.1016/j.biortech.2021.125930 |
| Uncontrolled Keywords: | Biological water treatment; Hybrid systems; Membrane fouling; Membranes; Osmosis; Shear stress; Sodium Carbonate; Wastewater reclamation; Wastewater treatment; Water conservation; Water quality; Breakthrough dynamics; Cake layer; Draw solutions; Dynamic OsMBR; Foulants; High flux; Municipal wastewater treatment; Rotating FO module; Salt flux; Wastewater treatment and reuse; Bioreactors; bioreactor; detection method; filtration; membrane; pollutant removal; shear stress; wastewater; wastewater treatment; water quality |
| Additional Information: | Language of original document: English. |
| URI: | http://eprints.lqdtu.edu.vn/id/eprint/8567 |
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