The world is suffering from chronic water shortage due to the increasing population, water pollution and industrialization. Desalinating saline water offers a rational choice to produce fresh water thus resolving the crisis. Among various kinds of desalination technologies, capacitive deionization (CDI) is of significant potential owing to the facile …
The world is suffering from chronic water shortage due to the increasing population, water pollution and industrialization. Desalinating saline water offers a rational choice to produce fresh water thus resolving the crisis. Among various kinds of desalination technologies, capacitive deionization (CDI) is of significant potential owing to the facile …
Ammonium ions can be effectively removed from water using electrochemical processes such as battery electrode deionization (BDI), but previous tests have examined removal in the presence of competing ions (e.g. sodium).The recovery of NH 4 + was examined here in the absence and presence of a relatively inert background electrolyte (MgCl 2, 10 mM) …
Battery deionization (BDI) offers a powerful platform for integrating water treatment and energy conversion. Exploring novel BDI electrode materials with high …
Water desalination is an important approach to provide fresh water around the world, although its high energy consumption, and thus high cost, call for new, efficient technology. Here, we demonstrate …
Improving the Thermodynamic Energy Efficiency of Battery Electrode Deionization Using Flow-Through Electrodes. Moon Son, Vineeth Pothanamkandathil, Wulin Yang, Johannes S. Vrouwenvelder, Christopher A. Gorski, Bruce E. Logan. Civil and Environmental Engineering; Materials Research Institute (MRI)
3.3 Hybrid capacitive deionization The desalination battery and CDI systems both have inherent limitations, which can be surpassed when the systems are combined. ... While the choice of electrochemical deionization technology for a given application certainly depends on performance, it is noteworthy that "performance" is quantified by a ...
Battery electrode deionization (BDI) is a technique for removing salts from brine. It works with the aid of electrochemical reactions between ions and active compounds in electrodes under the electric field. ... Capacitive deionization (CDI) technology for water treatment has drawn much attraction in recent years. One of the crucial advantages ...
This study evaluates various desalination cells, including conventional CDI, single- and multi-channel asymmetric CDI, and multi-channel battery deionization (BDI). Using MoS …
First studies on CDI started in the 1960s and early 1970s. The first work on CDI-type system presenting the concept of electrochemical water deionization using a sorption media was firstly reported by John W. Blair and George W. Murphy in January 1960 with a publication entitled "Electrochemical Demineralization of Water with Porous …
Capacitive deionization (CDI) is burgeoning as a desalination technology in recent years due to it being an energy-efficient, cost effective, and environmentally-friendly process.
3.3 Hybrid capacitive deionization The desalination battery and CDI systems both have inherent limitations, which can be surpassed when the systems are combined. ... While the choice of electrochemical …
With the increasing global water shortage issue, the development of water desalination and wastewater recycling technology is particularly urgent. Capacitive deionization (CDI), as an emerging approach for water desalination and ion separation, has received extensive attention due to its high ion selectivity, high water recovery, and low …
Membrane capacitive deionization (MCDI) is a water desalination technology based on applying a cell voltage between two oppositely placed porous carbon electrodes. In front of each electrode, an ion-exchange membrane is positioned, and between them, a spacer is situated, which transports the water to be desalinated. In this …
Battery deionization (BDI) offers a powerful platform for integrating water treatment and energy conversion. Exploring novel BDI electrode materials with high energy storage capacity and high efficiency for both cations and anions removal is the key to advancing the BDI technique. Herein, we report …
In 1960, Blair and Murphy [14] opened the carbon ages of electrochemical desalination by using porous carbon electrodes.This technology can be classified as first-generation (Figure 1).A first-generation cell is known as capacitive deionization (CDI) because of the ...
Capacitive deionization (CDI) is a novel technology that has been successfully utilized for many water treatment/purification applications. In many cases, the CDI technology has shown increased efficiency compared to the other contemporary technologies. There have been some recent developments in this field that have …
Developing highly efficient advanced battery deionization (BDI) electrode materials at a low cost is vital for seawater desalination. Herein, a high-efficiency wood-based BDI electrode has been fabricated for seawater desalination, benefiting from the self-supporting three-dimensional (3D) nanoporous structure and rich redox-active sites.
Flow Electrode Capacitive Deionization (FCDI)
Conventional technologies for ammonium removal from wastewaters are based on biological conversion to nitrogen gas, eliminating the possibility for ammonium recovery. A new electrochemical approach was developed here to selectively remove ammonium using two copper hexacyanoferrate (CuHCF) battery electrodes separated by …
Capacitive deionization (CDI) has been considered as a novel technology to relieve freshwater shortages. However, due to the limited physical adsorption capacity, the salt removal capacity remains low. To enhance the desalination capacity, battery type, and capacitive materials are employed to fabricate a dual-ion …
Ammonium ions can be effectively removed from water using electrochemical processes such as battery electrode deionization (BDI), but previous tests have examined removal in the presence of competing ions (e.g. sodium). The recovery of NH4+ was examined here in the absence and presence of a relatively inert background electrolyte (MgCl2, 10 mM ...
Korea Institute of Science and Technology: Seongbuk-gu, Seoul, KR . 2021-08-01 to present | Senior ... Metal-Ion Depletion Impacts the Stability and Performance of Battery Electrode Deionization over Multiple Cycles. Environmental Science & Technology