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The adsorption process during inorganic phosphorus removal by cultured periphyton

文献类型: 外文期刊

作者: Lu, Haiying 1 ; Yang, Linzhang 1 ; Shabbir, Sadaf 1 ; Wu, Yonghong 1 ;

作者机构: 1.Chinese Acad Sci, State Key Lab Soil & Sustainable Agr, Inst Soil Sci, Nanjing 210008, Jiangsu, Peoples R China

2.Jiangsu Acad Agr Sci, Nanjing 210014, Peoples R China

3.Quaid I Azam Univ, Dept Microbiol, Islamabad 45320, Pakistan

关键词: Periphyton;Adsorption;Inorganic phosphorus;Kinetics

期刊名称:ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH ( 影响因子:4.223; 五年影响因子:4.306 )

ISSN:

年卷期:

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收录情况: SCI

摘要: To explain the detailed process involved in phosphorus removal by periphyton, the periphyton dominated by pho-toautotrophic microorganisms was employed in this study to remove inorganic phosphorus (P_i) from wastewater, and the removal kinetics and isotherms were then evaluated for the P_i removal process. Results showed that the periphyton was capable of effectively removing P_i that could completely remove the P_i in 24 h at an initial P_i concentration of 13 mg P L~(-1). Furthermore, the P_i removal process by the periphyton was dominated by adsorption at initial stage (~24 h), which involved physical mechanistic process. However, this P_i adsorption process was significantly influenced by environmental conditions. This work provides an insight into the understanding of phosphorus adsorption by periphyton or similar microbial aggregates.

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