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A facile approach for surface alteration of Pseudomonas putida I3 by supplying K2SO4 into growth medium: Enhanced removal of Pb(II) from aqueous solution
X. J. Xu, H. Y. Li, Q. Y. Wang, D. D. Li, X. R. Han and H. W. Yu; Yu HW(于洪文)
2017
发表期刊Bioresource Technology
卷号232页码:79-86
摘要A new sight of obtaining a high efficient biosorbent by supplying specific salts into bacterial growth medium was investigated in this study for Pb(II). Among a series of salts including Na2SO4, Na2S2O3, KCl, and K2SO4, the highest Pb(II) removal efficiency was observed by psychrotrophilic Pseudomonas putida I3 grown in the presence of 30 g/L K2SO4 (KSI3-30) with biosorption capacity of 62.89 mg/g under cold condition (15 degrees C), which was increased by 42.35% as compared to control (without any additive, RI3). This stimulation effect was ascribed to the increase of potassium and sulfur containing groups on KSI3-30 surface via metabolic dependent ways. The probable mechanism for Pb(II) adsorption was ion-exchange and chemical complexation. The thermal and kinetic data well fitted to Langmuir adsorption model and pseudo-second order and intraparticle diffusion kinetic model. Good recyclability and effectively dealing with real wastewater suggested KSI3-30 was a promising biosorbent for Pb-contaminated wastewater treatment. (C) 2017 Elsevier Ltd. All rights reserved.
DOI10.1016/j.biortech.2017.02.038
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.iga.ac.cn/handle/131322/7662
专题湿地与全球变化学科组
通讯作者Yu HW(于洪文)
推荐引用方式
GB/T 7714
X. J. Xu, H. Y. Li, Q. Y. Wang, D. D. Li, X. R. Han and H. W. Yu,Yu HW. A facile approach for surface alteration of Pseudomonas putida I3 by supplying K2SO4 into growth medium: Enhanced removal of Pb(II) from aqueous solution[J]. Bioresource Technology,2017,232:79-86.
APA X. J. Xu, H. Y. Li, Q. Y. Wang, D. D. Li, X. R. Han and H. W. Yu,&于洪文.(2017).A facile approach for surface alteration of Pseudomonas putida I3 by supplying K2SO4 into growth medium: Enhanced removal of Pb(II) from aqueous solution.Bioresource Technology,232,79-86.
MLA X. J. Xu, H. Y. Li, Q. Y. Wang, D. D. Li, X. R. Han and H. W. Yu,et al."A facile approach for surface alteration of Pseudomonas putida I3 by supplying K2SO4 into growth medium: Enhanced removal of Pb(II) from aqueous solution".Bioresource Technology 232(2017):79-86.
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