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首页> 外文期刊>Building and Environment >Carbon nanotubes/activated carbon fiber based air filter media for simultaneous removal of particulate matter and ozone
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Carbon nanotubes/activated carbon fiber based air filter media for simultaneous removal of particulate matter and ozone

机译：碳纳米管/活性碳纤维基空气过滤介质，可同时去除颗粒物和臭氧

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摘要

Indoor environment is faced with complex pollution by particulate matter (PM) and ozone. In this study, we proposed to use carbon nanotubes/activated carbon fiber (CNTs/ACF) to remove both PM and ozone with high removal efficiencies, high quality factor and low pressure resistance. The CNTs/ACF filter media were fabricated through growth of CNTs upon pristine ACF using chemical vapor deposition method. The PM filtration efficiencies of the CNTs/ACF and pristine ACF were measured for different particle sizes. The quality factors of these two media were calculated and compared. The ozone removal efficiency of the CNTs/ACF and ACF were tested as well. Results indicate that growth of CNTs on ACF elevated the media for PM filtration, and increased the quality factor by 48%. The CNTs/ACF presented >99% ozone removal, as high as the ACF. Compared with other CNTs-based filter media that have been proposed in previous studies, the CNTs/ACF exhibited higher quality factor, much lower pressure resistance, higher ozone removal efficiency, and upper-middle PM filtration efficiency. (C) 2017 Elsevier Ltd. All rights reserved.
机译：室内环境面临着颗粒物（PM）和臭氧的复杂污染。在这项研究中，我们建议使用碳纳米管/活性碳纤维（CNTs / ACF）去除PM和臭氧，去除效率高，品质因数高，耐压性低。通过使用化学气相沉积法在原始ACF上生长CNT来制造CNT / ACF过滤介质。对于不同的粒径，测量了CNTs / ACF和原始ACF的PM过滤效率。计算并比较了这两种介质的质量因子。还测试了CNT / ACF和ACF的臭氧去除效率。结果表明，CNT在ACF上的生长提高了PM过滤的介质，并使品质因数提高了48％。 CNTs / ACF的除臭氧率> 99％，与ACF一样高。与先前研究中提出的其他基于CNTs的过滤介质相比，CNTs / ACF表现出更高的品质因数，更低的耐压性，更高的臭氧去除效率和中上PM过滤效率。 （C）2017 Elsevier Ltd.保留所有权利。

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