Phytoremediation of indoor air pollutants from construction and transport by a moveable active green wall system
- Publisher:
- Turkish National Committee for Air Pollution Research and Control
- Publication Type:
- Journal Article
- Citation:
- Atmospheric Pollution Research, 2023, 14, (10), pp. 1-10
- Issue Date:
- 2023-10-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| 1-s2.0-S1309104223002507-main.pdf | Published version | 5.65 MB |
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No sustainable, economical and scalable systems are currently available for the direct removal of construction and transport related air pollutants from working environments in these locations. Active green walls have previously demonstrated the capacity to effectively filter NO2, O3, and PM2.5 from indoor and roadside air. This project assessed the air quality provided by a portable active green wall in a construction site office involved in a construction upgrade of train depot, and compared it to a matched reference office to ascertain the active green wall's potential to enhance air quality. Through comparisons between time-matched samples, we established differences in air quality between the ambient and filtered air streams, and thus calculated the single pass removal efficiency provided by the active green wall for each pollutant. A comparison between the two site offices demonstrated that the active green wall produced significant improvements on the air quality of this unique indoor environment, with reductions in PM2.5 and O3 detected, with the active green wall achieving single pass removal efficiencies of 56.42 ± 21.02% and 20.73 ± 0.87% PM2.5 and O3, respectively. The active green wall also caused a small increase in dew point, but had no effect on humidity and temperature, possibly due to the small scale of the system relative to the volume of the test structure. The findings suggest phytoremediation may be an effective method for removing construction and transport associated PM2.5 and O3. Conversely, future research is needed to investigate NO2 removal, with substrate developments potentially required to address this.
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