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The post Geschützt: Strategic Waters: India’s Calculated Approach to the Maldives and Lessons from Katchatheevu – Maldives appeared first on Desalination Institute DME - Water Desalination Resources.

Microbial desalination technology offers a promising platform for salt removal processes and for the recovery of ionic compounds. In terms of operation, systems without potential control (microbial desalination cell, MDC) and applying anode potential control (microbial electrolysis desalination cell, MEDC) can be primarily implemented. In this study, a comparative assessment of the different operational modes is carried out by using acetate-fed mixed culture MDC and MEDC reactors for NaCl removal (with 35 g L⁻¹ initial concentration) in three-chamber setup. Desalination efficiency, kinetics, as well as the occurring electrochemical losses are evaluated.

In addition, ion exchange membrane (IEM) performance and stability are addressed. It was found that MEDC mode led to faster desalination and better NaCl removal (~ 45 %) during 24 h long batches, compared to MDC (40.3 %), thanks to the ~12 % higher (j = 12 ± 5 A m⁻³) and more consistent current density generated. Severe diffusional losses occurred in both systems, leading to ~80 % decrease in desalination rate after 24 h of operation. In addition, IEM ionic conductivity was significantly reduced after 40 d long employment. Future research needs and directions are highlighted for system performance enhancement.

(Source)

The post Comparative assessment of microbial desalination cells and microbial electrolysis desalination cells: Towards improved salt removal kinetics and efficiency – Hungary appeared first on Desalination Institute DME - Water Desalination Resources.

The City of Cape Town aims to start construction of a permanent desalination plant in Paarden Eiland in 2026 with the aim of having it operational by 2030 if the plan receives all the necessary regulatory approvals.

This is according to a draft scoping report prepared by Cape Town-based engineering firm Zutari, which was appointed to do the necessary environmental impact assessments of the proposed desalination plant.

(Source)

The post Construction on Cape Town’s desalination plant set to start in 2026 – South Africa appeared first on Desalination Institute DME - Water Desalination Resources.