Mechanistic Understanding of Capacitive Deionisation (MU-CDI)

Lead Research Organisation: University of Manchester
Department Name: Chemistry

Abstract

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Publications

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Dryfe R (2022) Capacitive de-ionisation: An electrochemical perspective in Current Opinion in Electrochemistry

 
Description The project is still active, but the aim of the work is to optimise the process of capacitive de-ionisation (CDI).
The capture and management of ions in water systems are of widespread importance to society. One of the most prominent applications is water desalination, which is becoming an increasingly important technology due to population growth and climate change putting pressure on freshwater resources. In recent years, capacitive de-ionisation (CDI) has gained increasing attention as a potentially low-energy alternative to more common desalination methods such as reverse osmosis. CDI works by passing a saline solution through an electrochemical cell where the positive and negative salt ions are immobilized on the surfaces of oppositely-charged porous carbon electrodes. One of the advantages of CDI over other desalination methods is that following the initial ion capture step, the electrode can be regenerated by discharging into a separate effluent stock. In this step, some of the energy used for the ion capture is recovered, and furthermore, the efficient regeneration of the electrode reduces fouling
Exploitation Route Water purification.
Sectors Agriculture

Food and Drink

Construction

Energy

Environment

 
Description Lancaster University 
Organisation Lancaster University
Country United Kingdom 
Sector Academic/University 
PI Contribution This is a collaborative grant with Prof J Griffin, Chemistry, Lancaster Univ.
Collaborator Contribution The Griffin group provide solid-state NMR expertise.
Impact See published work associated with grant
Start Year 2022