Practical water production from desert air.

Practical water production from desert air.
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DOI:
10.1126/sciadv.aat3198
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发表时间:
2018-06
期刊:
影响因子:
13.6
通讯作者:
Yaghi OM
Yaghi OM
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Fathieh F;Kalmutzki MJ;Kapustin EA;Waller PJ;Yang J;Yaghi OM

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下一代沙漠空气制水MOF装置和材料。利用沙漠空气高效生产水的方法尚未得到开发。报告了一种用于在低相对湿度下收集水的概念验证装置;然而,它使用外部冷却,没有经过沙漠测试。我们报告了一个实验室到沙漠的实验,其中使用高达1.2公斤金属有机框架(MOF) -801的原型在实验室和后来在美国亚利桑那州的沙漠中进行了测试。每千克MOF-801在昼夜循环中产生100克水,仅使用自然冷却和环境阳光作为能量来源。我们还报道了一种铝基MOF-303,它的水量是铝基MOF-303的两倍多。沙漠实验揭示了从沙漠空气中高效生产水所需的能源、材料和空气的关键参数,即使在零度以下的露点也是如此。
Next-generation MOF device and material for water production from desert air. Energy-efficient production of water from desert air has not been developed. A proof-of-concept device for harvesting water at low relative humidity was reported; however, it used external cooling and was not desert-tested. We report a laboratory-to-desert experiment where a prototype using up to 1.2 kg of metal-organic framework (MOF)–801 was tested in the laboratory and later in the desert of Arizona, USA. It produced 100 g of water per kilogram of MOF-801 per day-and-night cycle, using only natural cooling and ambient sunlight as a source of energy. We also report an aluminum-based MOF-303, which delivers more than twice the amount of water. The desert experiment uncovered key parameters pertaining to the energy, material, and air requirements for efficient production of water from desert air, even at a subzero dew point.
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