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A surface tension-driven pumping system for atmospheric moisture harvesting

用于大气水分收集的表面张力驱动泵系统

基本信息

批准号：
513478-2017
负责人：
Tavares, JasonRobert
金额：
$ 1.82万
依托单位：
École Polytechnique de Montréal
依托单位国家：
加拿大
项目类别：
Engage Grants Program
财政年份：
2017
资助国家：
加拿大
起止时间：
2017-01-01 至 2018-12-31
项目状态：
已结题

来源：
https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=639476
关键词：
surface tension driven pumping system

项目摘要

Atmospheric water harvesting allows arid regions with low rainfall or unsustainable/expensive groundwaterresources to collect fresh water from the air to meet their needs. Typical water harvesting methods rely on asimple principle: humid air is forced through a mesh net, where water condenses and droplets drain awaythrough gravity. However, these traditional approaches face limitations with respect to the rate at which watercan condense and drain away from the surface (thereby freeing it up for the next water droplet to form).Qube-4D has developed an alternative configuration for water harvesting, relying on porous nanomaterials thatwill actively "pump" the condensed water away from the surface for collection. Because this system relies oncapillary action, Qube-4D requires the expertise developed at Polytechnique Montreal in surface engineeringand interface science to set key design parameters for their new configuration. This first step in collaborationwill allow the development of a new, Canadian water harvesting system capable of revolutionizing how freshwater is supplied. With a worldwide market estimated at nearly 1 billion USD by 2020, not to mention thedecreasing levels of Canadian fresh water sources, the successful outcome of this project will yield substantialbenefits to the Canadian economy.

大气集水允许降雨量低或地下水资源不可持续/昂贵的干旱地区从空气中收集淡水以满足其需求。典型的集水方法依赖于一个简单的原理：潮湿的空气被迫通过网状网，水在网状网中凝结，水滴通过重力排出。然而，这些传统方法在水凝结和从表面排出（从而释放出水以形成下一个水滴）方面面临限制。Qube-4D 开发了一种集水的替代配置，依靠多孔纳米材料主动将凝结水从表面“泵出”以进行收集。由于该系统依赖于毛细管作用，因此 Qube-4D 需要蒙特利尔理工学院在表面工程和界面科学方面开发的专业知识来为其新配置设置关键设计参数。合作的第一步将允许开发一种新的加拿大集水系统，该系统能够彻底改变淡水的供应方式。到2020年，全球市场预计将接近10亿美元，更不用说加拿大淡水资源的减少，该项目的成功将为加拿大经济带来巨大利益。