Passive Permeate-Side-Heated Solar Thermal Membrane Distillation: Extracting Potable Water from Seawater, Surface Water, and Municipal Wastewater at High Single-Stage Solar Efficiencies
Abstract:Globally, hundreds of millions of people still
drink untreated surface water due to the lack of even a basic drinking water
service, and urgently need economical off-grid water treatment devices. A passive, single-stage, permeate-side-heated solar thermal
membrane distillation system is developed for extracting potable water from seawater,
surface water, and municipal wastewater. The carbon black-coated
permeate side of 0.45 µm PVDF membrane absorbs solar radiation and evaporates
the feed water within the pore… Show more
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