climatic chamber; dry deposition; green wall; indoor air quality; PM2.5
Abstract :
[en] Combustion processes are the primary source of fine particulate matter in indoor air. Since the 1970s, plants have been extensively studied for their potential to reduce indoor air pollution. Leaves can retain particles on their surfaces, influenced by factors such as wax content and the presence of hairs. This study introduces an innovative experimental approach using metal oxide particles in an office-like environment to evaluate the depolluting effect of plant walls. Two plant walls were installed in a controlled room, housing three plant species: Aglaonema commutatum ‘Silver Bay’, Dracaena fragrans, and Epipremnum aureum. Metal oxide particles were introduced via a compressed air blower positioned between the two walls. The concentration of these particles was monitored using PM2.5 sensors, and the deposition of iron (Fe) on the leaves was quantified through Inductively Coupled Plasma Mass Spectrometry (ICP-MS). This novel methodology effectively demonstrated the utility of both real-time sensors and ICP-MS in quantifying airborne particle concentrations and leaf deposition, respectively. The results revealed that Dracaena fragrans had a 44% higher Fe particle retention rate compared to the control (wallpaper). However, further validation through methodological replication is necessary to confirm the reproducibility of these findings.
Research Center/Unit :
SPHERES - ULiège [BE]
Disciplines :
Earth sciences & physical geography
Author, co-author :
Falzone, Claudia ; Université de Liège - ULiège > Département des sciences et gestion de l'environnement (Arlon Campus Environnement) > Surveillance de l'environnement ; Université de Liège - ULiège > Sphères
Jupsin, Hugues ; Université de Liège - ULiège > Département des sciences et gestion de l'environnement (Arlon Campus Environnement)
El Jarroudi, Moussa ; Université de Liège - ULiège > Département des sciences et gestion de l'environnement (Arlon Campus Environnement) > Eau, Environnement, Développement
Romain, Anne-Claude ; Université de Liège - ULiège > Département des sciences et gestion de l'environnement (Arlon Campus Environnement) > Surveillance de l'environnement ; Université de Liège - ULiège > Sphères
Language :
English
Title :
Advancing Methodologies for Investigating PM2.5 Removal Using Green Wall System
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