期刊
JOURNAL OF ENVIRONMENTAL SCIENCES
卷 26, 期 12, 页码 2500-2507出版社
SCIENCE PRESS
DOI: 10.1016/j.jes.2014.04.011
关键词
Biofilm; Biotrickling filter; Ethylbenzene; Surfactant; Zinc
资金
- National Natural Science Foundation of China [51278464, 41301327]
The effects of Tween-20 and Zn(II) on ethylbenzene removal were evaluated using two biotrickling filters (BTFs), BTF1 and BTF2. Only BTF1 was fed with Tween-20 and Zn(II). Results show that ethylbenzene removal decreased from 94% to 69% for BTF1 and from 74% to 54% for BTF2 with increased organic loading from 64.8 to 189.0 g ethylbenzene/(m(3).hr) at EBRT of 40 sec. The effect of EBRT (60-15 sec) at a constant ethylbenzene inlet concentration was more significant than that of EBRT (30-10 sec) at a constant organic loading. Biomass accumulation rate within packing media was reduced significantly. (c) 2014 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
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