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Biofiltration of indoor pollutants by ornamental plants

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Biofiltration of indoor pollutants by ornamental plants (Volume 45) (English shop)

Vanessa Hörmann (Author)


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Table of Contents, PDF (37 KB)

ISBN-13 (Hard Copy) 9783736998155
ISBN-13 (eBook) 9783736988156
Language English
Page Number 124
Lamination of Cover matt
Edition 1. dünne Folie, NM auf neuem Rechner
Book Series Berliner ökophysiologische und phytomedizinische Schriften
Volume 45
Publication Place Göttingen
Place of Dissertation Berlin
Publication Date 2018-06-19
General Categorization Dissertation
Departments Agricultural science
Keywords Biofiltration, Indoor air, Indoor air quality, Pollutant removal, Ornamental plants, Indoor plants, Indoor pollutants, Volatile organic compounds, VOC, Toluene, 2-ethylhexanol, Pollutant removal rate, Indoor air purification, Pollutant uptake, Plant physiology, Photosynthesis, Quantum yield, CO2, Gas exchange, Transpiration, Respiration, Phytotoxicity, Dieffenbachia maculate, Spathiphyllum wallisii, Asparagus densiflorus, Biobox, Test chamber, Chamber experiments, Human health, Well-being, Stress, Working environment, Office workers, Placebo effect

The impact of plants on indoor air quality and the examination of a putative interrelation between plant physiology and pollutant removal were investigated in the presented thesis. Moreover, the impact of plants on human well-being in the working environment was examined. Experiments in test chambers revealed that the uptake of pollutants (toluene and 2 ethylhexanol) by plants is very limited, i.e. a removal rate of 2 – 5 L h-1 m-2 leaf area, corresponding to about 20 – 100 µg h-1 m-2 leaf area. Furthermore, the impact of plant physiological parameters was found to be negligible for the uptake of the two tested pollutants. It was shown that the pollutant uptake depends mainly on sorption to plant surfaces. A field study verified that one big plant (Spathiphyllum wallisii) in a 20-m² office has no detectable impact on indoor air quality in regard to concentration of volatile organic compounds, temperature and relative humidity. The well-being of office workers could not be improved by the plant and it is suggested that effects of plants on humans in the working environment are rather small and subject to a more complex system of varying factors.