Bromide
Ions Specific Removal and Recovery by Electrochemical Desalination
- Publication date
- Publisher
Abstract
Removal
and recovery of bromide ions by electro-oxidation and electro-reduction
are presented using hybrid physical adsorption and capacitive deionization
cells, which contain activated carbon cloth electrodes. This is a
proof of concept research with results, which indicate that when comparing
the removal and recovery quantities of bromide and chloride ions (starting
with the same initial concentration of 0.05 M for both salts), the
desalination capacity of the bromide ions is larger by almost 2 orders
of magnitude than that of the chloride ions; thus, we obtained specific
desalination of bromide ions from a solution containing chloride ions.
Removal and recovery of 3.5 mmol of bromide ions were achieved by
a working electrode with 1 g of activated carbon cloth, and the calculated
energy consumption for the removal and recovery of 1 g of bromide
ions was about 2.24 kJ/g