Removal ratio of gaseous toluene and xylene transported from air to root zone via the stem by indoor plants

Environmental Science and Pollution Research International
K J KimH S Jang

Abstract

This work was designed to investigate the removal efficiency as well as the ratios of toluene and xylene transported from air to root zone via the stem and by direct diffusion from the air into the medium. Indoor plants (Schefflera actinophylla and Ficus benghalensis) were placed in a sealed test chamber. Shoot or root zone were sealed with a Teflon bag, and gaseous toluene and xylene were exposed. Removal efficiency of toluene and total xylene (m, p, o) was 13.3 and 7.0 μg·m(-3)·m(-2) leaf area over a 24-h period in S. actinophylla, and was 13.0 and 7.3 μg·m(-3)·m(-2) leaf area in F. benghalensis. Gaseous toluene and xylene in a chamber were absorbed through leaf and transported via the stem, and finally reached to root zone, and also transported by direct diffusion from the air into the medium. Toluene and xylene transported via the stem was decreased with time after exposure. Xylene transported via the stem was higher than that by direct diffusion from the air into the medium over a 24-h period. The ratios of toluene transported via the stem versus direct diffusion from the air into the medium were 46.3 and 53.7% in S. actinophylla, and 46.9 and 53.1% in F. benghalensis, for an average of 47 and 53% for both species. The rat...Continue Reading

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Citations

Jan 1, 2019·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Hanxiao LiangYuhong Su
Mar 21, 2019·Environmental Science and Pollution Research International·Peter J IrgaFraser R Torpy
Nov 7, 2019·Journal of Exposure Science & Environmental Epidemiology·Bryan E Cummings, Michael S Waring
Mar 19, 2020·International Journal of Environmental Research and Public Health·Ho-Hyun KimHo-Hyeong Yang
Mar 24, 2018·Air Quality, Atmosphere, & Health·Fraser TorpyPeter Irga
Oct 20, 2020·Environmental Science and Pollution Research International·Bhavya BhargavaSanjay Kumar
Dec 12, 2018·Plant Physiology and Biochemistry : PPB·Gerhard KnotheMaria Ellenita G de Castro
Mar 13, 2021·Environmental Pollution·Antonello PrigionieroCarmine Guarino

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