Remediation of Petroleum-Contaminated Soil Using a Bioaugmented Compost Technique

被引：0

作者：

Wu M.-L. ^{[1
]}

Chen K.-L. ^{[1
]}

Ye X.-Q. ^{[1
]}

Qi Y.-Y. ^{[1
]}

Xu H.-N. ^{[1
]}

Wang Z. ^{[1
]}

Xue P.-F. ^{[1
]}

Zhu C.-L. ^{[1
]}

机构：

[1] Key Laboratory of Northwest Water Resources, Environment and Ecology, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an

来源：

Huanjing Kexue/Environmental Science | 2017年 / 38卷 / 10期

关键词：

Bioaugmented compost; Illumina MiSeq sequencing; Low temperature; Petroleum-contaminated soil; Scale up;

D O I：

10.13227/j.hjkx.201702056

中图分类号：

学科分类号：

摘要：

Bioaugmented compost was created by inoculating petroleum-degrading bacteria into mature compost. The petroleum hydrocarbon degradation efficiencies were investigated by applying this enhanced compost to petroleum-contaminated soil under low temperatures. The results showed that the degrading bacteria can be enriched in the mature compost. After 30 d of remediation, the removal efficiency of TPH, alkanes, and PAHs in the soil was 27.0%, 19.6%, and 10.0%, compared to natural attenuation (CK), which was 4.5%, 9.5%, and 2.3%, respectively. In response to remediation, the relative abundance of Proteobacteria and Actinobacteria phyla decreased from 53.4% and 25.9% to 48.9% and 14.1%, respectively, and Bacteroidetes phylum increased from 5.0% to 24.5%. At the genus level, the relative abundance of Acinetobacter and Pseudomonas increased from 0.02% and 3.4% to 15.2% and 4.6%, respectively. The results indicated that the bioaugmented compost may efficiently facilitate and speed up the bioremediation of petroleum-contaminated soil under low-temperature conditions. Soil microbial diversity and structure of microbial communities are sensitive to the remediation. © 2017, Science Press. All right reserved.

引用

页码：4412 / 4419

页数：7

共 26 条

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