image: Schematic of the cross section of a solar thermal membrane distillation device under focused illumination. Saline feed and purified distillate flow are on the top and bottom, respectively, of a carbon black-coated PVDF membrane in a countercurrent configuration. The illuminated area is covered with a lens array to concentrate the incident light on the coated membrane surface. view more
Credit: Image courtesy of Pratiksha D. Dongare.
一项研究发现，蒸发��水的热脱盐的关键��指数式地依赖于温度，而把阳光通过透镜聚焦于一个光热激活的膜，会增加通过这个膜的蒸馏过的水的流量达50%以上，这证明了可以在一大批热和光驱动的工艺中利用聚焦太阳光。
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Journal
Proceedings of the National Academy of Sciences