Air purification by cementitious materials: Evaluation of air purifying properties

G. Hüsken, H.J.H. Brouwers

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    Abstract

    This paper addresses the evaluation of the photocatalytic properties of concrete containing titanium dioxide (TiO2). Here, the assessment of the air purifying abilities of the hardened concrete regarding the degradation of nitric oxide (NO) is of major interest. A setup for measuring the performance of these photocatalytic active concrete products will be presented. The test setup uses the UV-A induced degradation of NO and is oriented on the draft version of the ISO standard TC 206/SC N [1]. By means of this test setup, the influence of boundary conditions like irradiance, relative humidity, surface texture, flow rate and pollutant concentration on the degradation mechanism is investigated and a suitable measuring procedure is suggested for evaluating the performance of concrete products having photocatalytic activity. The suggested measuring procedure is used for the analysis of own developed mortar mixtures and a comparative analysis of already available concrete products on the European
    market.
    Original languageEnglish
    Title of host publicationInternational Conference of Construction and Building Technology, ICCBT 2008 16-20 June 2008, Kuala Lumpur, Malaysia
    EditorsH. Al-Mattarneh, K.N. Mustapha, M.F. Nuruddin
    Place of PublicationKajang, Malaysia
    PublisherUniversiti Tenaga Nasional
    Pages263-274
    ISBN (Print)978-967-305-152-6
    Publication statusPublished - 16 Jun 2008
    EventInternational Conference on Construction and Building Technology, ICCBT 2008 - Kuala Lumpur, Malaysia
    Duration: 16 Jun 200820 Jun 2008

    Conference

    ConferenceInternational Conference on Construction and Building Technology, ICCBT 2008
    Abbreviated titleICCBT
    CountryMalaysia
    CityKuala Lumpur
    Period16/06/0820/06/08

    Keywords

    • METIS-249554
    • Functional concrete products
    • Air purification
    • Photo catalytic oxidation
    • Titanium

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