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

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

doi:10.1016/j.biortech.2021.125930

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

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

Graduate Institute of Environmental Engineering and Management

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

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 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% PO₄^3—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.

Original language	English
Article number	125930
Journal	Bioresource Technology
Volume	342
DOIs	https://doi.org/10.1016/j.biortech.2021.125930
State	Published - Dec 2021

Bibliographical note

Publisher Copyright:
© 2021 Elsevier Ltd

Keywords

Draw solution
Dynamic OsMBR
Membrane fouling
Rotating FO module
Surfactant

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.biortech.2021.125930

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Cong Nguyen, N., Thi Nguyen, H., Cong Duong, H., Chen, S. S., Quang Le, H., Cong Duong, C., Thuy Trang, L., Chen, C. K., Dan Nguyen, P., Thanh Bui, X., Guo, W., & Hao Ngo, H. (2021). A breakthrough dynamic-osmotic membrane bioreactor/nanofiltration hybrid system for real municipal wastewater treatment and reuse. Bioresource Technology, 342, Article 125930. https://doi.org/10.1016/j.biortech.2021.125930

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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 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.",

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Cong Nguyen, N, Thi Nguyen, H, Cong Duong, H, Chen, SS, Quang Le, H, Cong Duong, C, Thuy Trang, L, Chen, CK, Dan Nguyen, P, Thanh Bui, X, Guo, W & Hao Ngo, H 2021, 'A breakthrough dynamic-osmotic membrane bioreactor/nanofiltration hybrid system for real municipal wastewater treatment and reuse', Bioresource Technology, vol. 342, 125930. https://doi.org/10.1016/j.biortech.2021.125930

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T1 - A breakthrough dynamic-osmotic membrane bioreactor/nanofiltration hybrid system for real municipal wastewater treatment and reuse

AU - Cong Nguyen, Nguyen

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AU - Cong Duong, Hung

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AU - Quang Le, Huy

AU - Cong Duong, Chinh

AU - Thuy Trang, Le

AU - Chen, Chih Kuei

AU - Dan Nguyen, Phuoc

AU - Thanh Bui, Xuan

AU - Guo, Wenshan

AU - Hao Ngo, Huu

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AB - 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.

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

Abstract

Bibliographical note

Keywords

UN SDGs

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