Effective reduction of water molecules' interaction for efficient water evaporation in desalination

Hsiao Chien Chen, Yi Rui Chen, Kuang Hsuan Yang, Chih Ping Yang, Kuo Lun Tung, Ming Jer Lee, Jun Han Shih, Yu Chuan Liu

研究成果: 雜誌貢獻文章同行評審

22 引文 斯高帕斯(Scopus)

摘要

Water scarcity is one of the most serious global challenges of our time. One of the currently resolutions to this shortage is desalination. So far, most research on desalination has focused on preparing photothermal materials which possess the property of light-to-heat conversion. However, changing the intrinsic properties of water to improve the efficiency of solar evaporation has rarely been discussed. A new concept to increase the efficiency of desalination via destroying hydrogen bonds based on gold nanoparticles-adsorbed ceramic rods (AuNPs@CRs) is proposed here for the first time. Weakening the strength of interactions within water molecules by illumination with resonant light produces easily evaporable plasmon-activated water (PAW). This proposed system exhibits high efficiencies of steam generation in different experimental environments. Meanwhile, it was 140.0% and 107.5% more efficient than untreated water in an oven and an indoor environment, respectively. The source of resonant light from sunlight on a sunny or cloudy day can also achieve this performance. In addition, the results of water pump suction and direct contact membrane distillation (DCMD) further demonstrated that the illuminated AuNPs@CR system exhibits high potential for desalination.
原文英語
頁(從 - 到)91-97
頁數7
期刊Desalination
436
DOIs
出版狀態已發佈 - 六月 15 2018

ASJC Scopus subject areas

  • 化學 (全部)
  • 化學工程 (全部)
  • 材料科學(全部)
  • 水科學與技術
  • 機械工業

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