The Qatar Sustainable Water and Energy Utilization Intiative (QWE) will be the center of scientific and technical excellence dedicated to solving the pressing water and energy problems in Qatar.

Optimal Design of Membrane-Based Desalination Processes

Posted in: Projects ♦ Thursday, February 4th, 2010, 9:18 am ♦ Comments Off on Optimal Design of Membrane-Based Desalination Processes
Optimal Design of Membrane-Based Desalination Processes

Qatar heavily depends on seawater desalination to provide fresh water for domestic and industrial use. Membrane-based desalination processes in the form of reverse osmosis are considered more energy efficient, less capital intensive and more environmentally benign than their thermal counterparts. Recent advances have yielded further membrane processes that are complementary to reverse osmosis in separating dissolved solids from water. These include nanofiltration, membrane distillation, electrodialysis and membrane crystallization. Hybrid configurations of some or all of these processing units have been claimed to outperform conventional processes based on reverse osmosis alone. The best configurations will depend on the feed water quality as well as on the treatment goal (e.g. brine discharge, zero liquid discharge, salt production). This research initiative aims at developing systematic method capable of identifying optimal desalination processes using a model-based innovation approach.

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