Evaluation of bioaugmentation and biostimulation on arsenic remediation in soil through biovolatilization
Sun, Guo-Xin; Chen, Peng; Li, Jin; Wang, Hong-Yan; Zheng, Rui-Lun
刊名ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
2017-09-01
卷号24期号:27页码:21739-21749
关键词Arsenic Remediation Biovolatilization. Biostimulation Bioaugmentation Genetic Engineered Pseudomonas Putida Kt2440
英文摘要Arsenic (As) removal through microbially driven biovolatilization can be explored as a potential method for As bioremediation. However, its effectiveness needs to be improved. Biostimulation with organic matter amendment and bioaugmentation with the inoculation of genetic engineered bacteria could be potential strategies for As removal and site remediation. Here, the experiments were conducted to evaluate the impacts of rice straw and biochar amendment, inoculation of genetic engineered Pseudomonas putida KT2440 (GE P. putida) with high As volatilization activity, on microbial mediated As volatilization and removal from three different arseniferous soils. In general, the addition of rice straw (5%) significantly enhanced As methylation and volatilization in comparison with corresponding non-amended soils. Biochar amendments and inoculation of the GE P. putida increased As methylation and volatilization, respectively, but less than that of rice straw addition. The effectiveness of As volatilizations are quite different in the various paddy soils. The combined amendments of rice straw and GE P. putida exhibited the highest As removal efficiency (483.2 mu g/kg/year) in Dayu soil, with 1.2% volatilization of the total As annually. The highest water-soluble As concentration (0.73 mg/kg) in this soil could be responsible for highest As volatilization besides the rice straw and bacteria in this soil.
内容类型期刊论文
源URL[http://ir.rcees.ac.cn/handle/311016/39016]  
专题生态环境研究中心_城市与区域生态国家重点实验室
推荐引用方式
GB/T 7714
Sun, Guo-Xin,Chen, Peng,Li, Jin,et al. Evaluation of bioaugmentation and biostimulation on arsenic remediation in soil through biovolatilization[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2017,24(27):21739-21749.
APA Sun, Guo-Xin,Chen, Peng,Li, Jin,Wang, Hong-Yan,&Zheng, Rui-Lun.(2017).Evaluation of bioaugmentation and biostimulation on arsenic remediation in soil through biovolatilization.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,24(27),21739-21749.
MLA Sun, Guo-Xin,et al."Evaluation of bioaugmentation and biostimulation on arsenic remediation in soil through biovolatilization".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 24.27(2017):21739-21749.
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