NDLI: A novel multi-stage microbial desalination cell for simultaneous desalination and enhanced organics and nitrogen removal from domestic wastewater

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Emerging investigators series: sewer surveillance for monitoring antibiotic use and prevalence of antibiotic resistance: urban sewer epidemiology

Electrochemical technologies for wastewater treatment and resource reclamation

A novel multi-stage microbial desalination cell for simultaneous desalination and enhanced organics and nitrogen removal from domestic wastewater

Emerging investigators series: disinfection by-products in mixed chlorine dioxide and chlorine water treatment

Performance of a composite bioactive membrane for H₂ production and capture from high strength wastewater

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A novel multi-stage microbial desalination cell for simultaneous desalination and enhanced organics and nitrogen removal from domestic wastewater

Content Provider	Royal Society of Chemistry (RSC)
Author	Ren, Shiting Zhang, Xiaoyuan Huang, Xia Zuo, Kuichang Liu, Fubin Liang, Peng
Copyright Year	2016
Abstract	Conventional microbial desalination cells (MDCs) can extract organic energy from wastewater for in situ utilization in saline water desalination, but are mostly unable to achieve enhanced treatment and desalination for one stream of wastewater. In this study, a multi-stage MDC (M-MDC) with two alternating anodes and cathodes was fabricated, and operated with domestic wastewater in two operational modes. In ACAC operational mode, with wastewater flowing serially from anode-1 → cathode-1 → anode-2 → cathode-2, the M-MDC realized current production of 11.4 mA and desalination efficiency of 52.4%, effluent chemical oxygen demand and total nitrogen removed 92.5% and 87.0% respectively, due to cooperative biological nitrification/denitrification and electrical migration. As a contrast in AACC mode, with wastewater flowing serially from anode-1 → anode-2 → cathode-1 → cathode-2, a higher current generation (17.2 mA) and desalination efficiency (56.4%) were achieved, due to enhanced utilization of wastewater organics in the anode chambers. The M-MDC realized simultaneous self-driven desalination and organics/nitrogen removal for the same stream of domestic wastewater, and various operation modes were proposed for enhanced wastewater treatment (ACAC mode) or energy recovery (AACC mode), indicating a promising potential for the M-MDC in simultaneous treatment and desalination of domestic wastewater.
Starting Page	832
Ending Page	837
Page Count	6
File Format	HTM / HTML PDF
ISSN	20531400
Volume Number	2
Issue Number	5
Journal	Environmental Science: Water Research & Technology
DOI	10.1039/c6ew00196c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Desalination Wastewater Anode Cathode Chemical oxygen demand Nitrate Nitrification Denitrification Energy recovery
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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