Volume 8 Issue 2
Mar.  2018
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Article Navigation >  Journal of Environmental Engineering Technology  > 2018  >  8(2): 161-168
WAN Qiong, WU Yi, WANG Xin, WU Yinghai, WEI Dongyang, HE Tao, JIANG Qi. Analysis of surface species diversity of sponge iron filler with different height in BAF[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 161-168. doi: 10.3969/j.issn.1674-991X.2018.02.022
Citation: WAN Qiong, WU Yi, WANG Xin, WU Yinghai, WEI Dongyang, HE Tao, JIANG Qi. Analysis of surface species diversity of sponge iron filler with different height in BAF[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 161-168. doi: 10.3969/j.issn.1674-991X.2018.02.022
shu

Analysis of surface species diversity of sponge iron filler with different height in BAF

doi: 10.3969/j.issn.1674-991X.2018.02.022

  • 1. School of Architecture and Civil Engineering, Xi’an University of Science and Technology, Xi’an 710054, China

  • 2. South China Institute of Environmental Sciences of MEP, Guangzhou 510655, China

  • 3. China Coal Technology Engineering Group Beijing Huayu Engineering Co., Ltd., Beijing 100120, China

  • 4. School of Ocean and Civil Engineering, Dalian Ocean University, Dalian 116023, China

  • 5. Sino-Japanese Friendship Center for Environmental Protection, Beijing 100029, China

More Information
  • Corresponding author: Qi JIANG E-mail: mjiangqi@sina.com
  • Received Date: 2017-06-28
  • Publish Date: 2018-03-20
    Abstract
  • The microbial abundance and diversity of sponge iron filler in different height of BAF reactor were analyzed and studied by polymeraes chain reaction(PCR) amplification of the target fragment, Illumina high-throughput sequencing and biological information analysis. The results show that the dominant species in the raw Ctrl (raw water) and the reactor were mainly Proteobacteria, followed by Bacteroidetes. In Rank-Abundance distribution curve, the number of Ctrl species is 1 193, while that of DO1 (BAF upper), DO2 (BAF middle) and DO3 (BAF lower) is 2 389, 2 211 and 1 890, respectively, and DO1 has the highest abundance and species diversity. In the reactor, with the decrease of DO (or the decrease of filler spatial position), the richness and diversity of microbial community decreased gradually. It is found that the Chao1 index is more sensitive to the species richness than the observed species index, and the measured number of operational taxonomic units (OTUs) is about 400 higher. DO1 and DO2 samples had higher homogeneity, and the proportion of dominant bacteria in DO3 and Ctrl samples was high and the homogeneity was low. The species composition of DO1 and DO2 was observed to be most similar by PCoA.

     

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