Effect of various pretreatments on the performance of nanofiltration for wastewater reuse

In the present study, we focused on integrated processes by membrane bioreactor (MBR), SMR, and pressurized microfiltration (PMF) as a pretreatment with nanofiltration (NF) as a post-treatment for wastewater reuse. The purpose of this study is to treat wastewater through MBR, MBR with powdered activ...

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Bibliographic Details
Published in:Desalination and water treatment 2016-04, Vol.57 (16), p.7522-7530
Main Authors: Lee, Jeong Jun, Woo, Yun Chul, Kang, Joon-Seok, Kang, Chan Young, Kim, Han-Seung
Format: Article
Language:English
Subjects:
Activated carbon
Bioreactors
Effluent standards
Effluents
Hybrid process
Membrane bioreactor-nanofiltration
Membrane processes
Membrane reactors
Microfiltration
Nanofiltration
Nanotechnology
Powdered activated carbon
Pretreatment
Reuse
Waste water
Wastewater reuse
Wastewater treatment
Water quality
Water quality standards
Water treatment
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Summary:In the present study, we focused on integrated processes by membrane bioreactor (MBR), SMR, and pressurized microfiltration (PMF) as a pretreatment with nanofiltration (NF) as a post-treatment for wastewater reuse. The purpose of this study is to treat wastewater through MBR, MBR with powdered activated carbon (PAC), submerged microfiltration (SMF), SMF with PAC, and PMF effluent, which is mainly used in wastewater treatment, in combination with NF as a post-treatment process. MBR with PAC was used as the main pretreatment for NF, and was compared to NF combined with other pretreatments. At constant pressure in NF, MBR-NF with PAC system has higher flux and better water quality than other systems. In order to prevent the membrane fouling by organic matters, the integrated MBR with PAC process should be employed. The integrated MBR-NF with PAC process can improve water quality for wastewater reuse. Based on the wastewater reuse standards, effluent can be available for human application. Advanced treatment of wastewater by MBR-NF system with PAC was proven to be viable. This study provides understanding on treating the wastewater through advanced technology for wastewater reuse.
ISSN:1944-3986
1944-3994
1944-3986
DOI:10.1080/19443994.2015.1030116