Electrodeionization (EDI) process is a relatively new process applied in environmental
engineering, which combines electrodialysis and conventional ion exchange. The
EDI process has obvious advantages compared with the traditional deionization equipments
based on the chemical regeneration. This review first time evaluated the importance of EDI
process for bioproduct recovery (organic acid recovery, bio-methane concentration and bioelectricity
production) and CO2 capture and storage. It highlighted not only the principal
mechanisms but also the recent application development. Meanwhile, gaps which limited the
large-scale field application of EDI process were also discussed in this paper.
Keywords: Electrodeionization, bioproduct recovery, CO2 capture and storage, bioenergy.
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