Aerosol Formation and Control in UV Air Treatment

紫外线空气处理中气溶胶的形成和控制

• 批准号: 121796-2013
• 负责人: Anderson, William
• 金额: $ 1.6万
• 依托单位: University of Waterloo
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=569227
• 关键词: Aerosol; Formation; Control; UV; Air

Ultraviolet (UV) light is increasingly being used to treat the air in residential, commercial, and medical facilities for disinfection, volatile organic compound (VOC) removal, and odour control purposes. While these are beneficial purposes, the possibility exists that UV treatment also creates fine particles called secondary organic aerosols. The impact of these particles on indoor and outdoor air quality is of increasing concern because of evidence linking them with negative respiratory and cardiac health effects. Therefore we need to study how they may be formed during UV treatment, and this is a topic that has not been previously addressed. With an improved understanding of particle concentrations and formation mechanisms, we can then investigate techniques for minimizing the formation, or removing the aerosols during treatment. The results of this work will lead toward improved indoor air quality in buildings where UV air treatment is used, as well as improved UV device design for Canadian manufacturers to implement.

紫外线（UV）光越来越多地用于处理住宅、商业和医疗设施中的空气，用于消毒、挥发性有机化合物（VOC）去除和气味控制目的。 虽然这些都是有益的目的，但紫外线处理也可能产生称为二次有机气溶胶的细颗粒。 这些颗粒物对室内和室外空气质量的影响越来越受到关注，因为有证据表明它们与呼吸和心脏健康的负面影响有关。 因此，我们需要研究它们在紫外线处理过程中是如何形成的，这是一个以前没有讨论过的话题。 随着对颗粒浓度和形成机制的进一步了解，我们可以研究在治疗过程中最大限度地减少形成或去除气溶胶的技术。 这项工作的结果将有助于改善使用紫外线空气处理的建筑物的室内空气质量，以及改善加拿大制造商实施的紫外线设备设计。