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Over 10 kg m−2 h−1 Evaporation Rate Enabled by a 3D Interconnected Porous Carbon Foam
Joule ( IF 39.8 ) Pub Date : 2020-03-25 , DOI: 10.1016/j.joule.2020.02.014
Jinlei Li , Xueyang Wang , Zhenhui Lin , Ning Xu , Xiuqiang Li , Jie Liang , Wei Zhao , Renxing Lin , Bin Zhu , Guoliang Liu , Lin Zhou , Shining Zhu , Jia Zhu

The recent advancements in evaporating water using renewable energy provide one of the promising pathways for treating water with minimized carbon footprint. Pursuing a high evaporation rate of water has been the central focus of this field, as it is directly related to the throughput of evaporative water treatment. However, in conventional designs of evaporators, diffusion of vapor into the atmospheric environment has been the limiting step for evaporation. In this work, we demonstrate that a carbon foam with a three-dimensional interconnected porous structure enables sufficient diffusion of vapor with a convective flow and therefore realizes an evaporation rate as high as 10.9 kg m−2 h−1 and outdoor evaporation of 42.0 kg m−2 for continuous 13 h. With such a high evaporation rate achieved, it shows great promise toward a high-throughput, around-the-clock, and eco-friendly technology of evaporative wastewater disposal.



中文翻译:

通过3D互连多孔碳泡沫实现的蒸发速率超过10 kg m -2 h -1

使用可再生能源蒸发水的最新进展为以最小的碳足迹处理水提供了有希望的途径之一。追求高水蒸发率一直是该领域的重点,因为它与蒸发水处理的生产量直接相关。但是,在传统的蒸发器设计中,蒸汽扩散到大气环境中一直是蒸发的限制步骤。在这项工作中,我们证明了具有三维互连多孔结构的碳泡沫能够使对流中的蒸气充分扩散,从而实现高达10.9 kg m -2 h -1的蒸发速率和42.0 kg的室外蒸发m -2连续13小时。由于获得了如此高的蒸发速率,它显示出对高通量,全天候且环保的蒸发废水处理技术的巨大希望。

更新日期:2020-03-25
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