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Removal of Trimethylamine from Indoor Air Using Potted Plants under Light and Dark Conditions

Category: Air Pollution and Health Effects

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DOI: 10.4209/aaqr.2018.09.0334
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Tatiya Wannomai1, Patiya Kemacheevakul 1,2, Paitip Thiravetyan3

  • 1 Department of Environmental Engineering, Faculty of Engineering, King Mongkut’s University of Technology Thonburi, Bangkok 10140, Thailand
  • 2 Center of Excellences on Hazardous Substance Management (HSM), Bangkok 10330, Thailand
  • 3 School of Bioresources and Technology, King Mongkut’s University of Technology Thonburi, Bangkok 10150, Thailand

Highlights

Trimethylamine (TMA) can be removed by various kinds of potted plants.
Light conditions have a significant effect on plant mechanism for TMA removal.
The highest TMA removal (95.4%) is achieved in Scindapsus aureus (light conditions).
Cactus has high removal efficiency under both light and dark conditions.


Abstract

A phytoremediation was selected to mitigate fishy odor or trimethylamine (TMA) that occurs from seafood industry or fresh market. A synthetic TMA chemical was used for fishy odor. For this research, eight types of potted plants (Prickly pear cactus, Dracaena sanderina Sander, Dieffenbachia camilla, Tradescantia spathacea, Peperromia magnoliifolia, Cholorophytum comosum, Cereus hexagonus (L.) Mill, and Scindapsus aureus) were selected as the representative of potted plant to remove TMA under light and dark conditions. The results showed that S. aureus had the highest TMA removal efficiency under light conditions at 72 h (> 95%). However, it had very low efficiency under dark conditions. This implied that S. aureus should be applied in the places having light sources all day. On the other hand, cactus type (C. hexagonus (L.) Mill. and Prickly pear cactus) had high TMA removal efficiency under both light and dark conditions at 72 h (> 90%). These plants might be more suitable to apply in a real system containing light and dark conditions.

Keywords

Fishy odor Phytoremediation Trimethylamine Potted plant Light conditions


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