Physiological Investigations of the Plants Involved in Air Biofiltration: Study Case
Addressing plant physiology–related challenges play an important role in botanical biofilter development for air treatment. In this study, a versatile aerial plant (Tillandsia xerographica) with high potential in air biofiltration is undertaken for investigation. It is already known that botanical biofiltration can improve the air quality both indoors and outdoors and can reduce the health risks associated with the exposure to the gaseous contaminants.
The performance of plants in air biofiltration processes strongly depend on the plant’s physiology, taking into consideration the above mentioned aspects. The aim of this study is to evaluate the behavior change of Tillandsia xerographica during air biofiltration, by monitoring CO2 concentration in the processed air as a response to a change in the environmental conditions. Aspects related to illumination conditions, gas contact time, irrigation, relative humidity, and temperature are particularly addressed. The obtained results are presented and discussed, allowing the pointing out of the plant physiology under different factors influencing and depicting the plant metabolism based on the light-dependent CO2 capture.
2. Materials and Methods
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