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Jackson Lord¹, Ashley Thomas², Neil Treat²

¹X, The Moonshot Factory, Mountain View, CA, USA. jacksonlord@gmail.com.

|October 28, 2021

概括

太阳能驱动的大气收集可以为全球10亿人提供安全管理的饮用水. 这项技术提供了分散的水资源提取,特别是在热带地区,

科学领域:

环境科学
材料科学
工程

背景情况:

获得安全管理的饮用水是影响22亿人的全球挑战.
太阳能驱动的大气水收集 (AWH) 提供了分散的水提取,但面临着关于特定产量 (SY) 和相对湿度 (RH) 的性能问题.
此前的分析并未全面地绘制出AWH的全球潜力,尽管热带地区的条件有利,许多人缺乏SMDW.

研究的目的:

评估大气水收集 (AWH) 提供安全管理的饮用水 (SMDW) 的全球潜力.
介绍一个假设的AWH装置模型,并评估其在不同RH条件下的性能.
为AWH设备提供设计权衡,以最大限度地发挥全球影响,并为可持续发展目标 (SDGs) 作出贡献.

主要方法:

使用谷歌地球引擎对AWH潜力的全球评估.
在30%至90%的相对湿度下,模拟了一个1平方米的AWH装置,其特定产量 (SY) 从0.2到2.5升/千瓦时不等.
分析了现有设备和新吸附剂类别对目标水需求的影响.

主要成果:

这项技术可以为10亿人提供SMDW.
模拟的AWH装置,满足每人每天5升饮用水的需求,在热力学限制内可行.
吸附剂材料的实验演示已经达到目标性能水平.

结论:

大气水收获 (AWH) 具有解决全球水危机并为大量人口提供安全管理的饮用水的巨大潜力.
吸附材料和装置设计的持续技术发展可以提高AWH的性能,满足关键的水需求.
这项研究为优化AWH设备设计提供了一个框架,以实现最大的全球影响,支持实现可持续发展目标的进展.

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