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Direct Synthesis of Bacteria-Derived Carbonaceous Nanofibers as a Highly Efficient Material for Radionuclides Elimination
Sun, Yubing1,2; Wang, Xiangxue1; Ding, Congcong2; Cheng, Wencai2; Chen, Changlun2,3,4; Hayat, Tasawar5; Alsaedi, Ahmed5; Hu, Jun1,5; Wang, Xiangke1,5
2016-09-01
发表期刊ACS SUSTAINABLE CHEMISTRY & ENGINEERING
摘要Bacteria-derived carbonaceous nanofibers (CNFs) can be directly synthesized by the pyrolysis of bacterial cellulose pellicles under N-2 atmosphere. The batch adsorption experiments showed that the bacteria-derived CNFs displayed the excellent adsorption performance for radionuclides. The maximum adsorption capacities of the CNFs calculated from the Langmuir model at pH 4.5 and 293 K were 67.11 mg/g for Sr(II) and 57.47 mg/g for Cs(I). The adsorption of Cs(I) and Sr(II) on the CNFs decreased with increasing ionic strength at pH < 5.0, whereas no effect of ionic strength was observed at pH > 6.0, indicating that the outer-sphere surface complexation dominated the radionuclide adsorption at pH < 5.0 whereas the adsorption was attributed to inner-sphere surface complexation at pH > 6.0. The further evidence of surface complexation modeling indicated that Sr(II) and Cs(I) adsorption on the CNFs can be satisfactorily fitted by a double diffuse layer model with an outer-sphere (SOHSr2+/SOHCs+) and an inner-sphere complexes (SOSr+/SOCs). The X-ray photoelectron spectroscopy analyses demonstrated that the adsorption of Sr(II) and Cs(I) on the CNFs were ascribed to the combination of the oxygenated functional groups of the CNFs. These observations indicated that the CNFs, as inexpensive and available carbon-based nanomaterials, can be regarded as a promising adsorbent for the removal of radionuclides from aqueous solutions in environmental pollution cleanup.
文章类型Article
关键词Cnfs Radionuclides Removal Spectroscopy Analysis Modeling
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1021/acssuschemeng.6b00738
关键词[WOS]GRAPHENE OXIDE NANOSHEETS ; MODELING TECHNIQUES ; AQUEOUS-SOLUTIONS ; SORPTION CHARACTERISTICS ; ENHANCED ADSORPTION ; ACTIVATED CARBON ; CLAY-MINERALS ; U(VI) ; REMOVAL ; CELLULOSE
收录类别SCI
语种英语
项目资助者NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; NSFC(21403064 ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Fundamental Research Funds for Central Universities(JB2015001) ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 21225730 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 41273134 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 91326202 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21577032 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21377132 ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135) ; 21307135)
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000382713100016
引用统计
被引频次：60[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/21736
专题中科院等离子体物理研究所
作者单位1.North China Elect Power Univ, Sch Environm & Chem Engn, Beijing 102206, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, POB 1126, Hefei 230031, Anhui, Peoples R China
3.Soochow Univ, Collaborat Innovat Ctr Radiat Med Jiangsu Higher, Suzhou 215123, Peoples R China
4.Soochow Univ, Sch Radiol & Interdisciplinary Sci, Suzhou 215123, Peoples R China
5.King Abdulaziz Univ, Fac Sci, NAAM Res Grp, Jeddah 21589, Saudi Arabia
第一作者单位中科院等离子体物理研究所
推荐引用方式
GB/T 7714		 Sun, Yubing,Wang, Xiangxue,Ding, Congcong,et al. Direct Synthesis of Bacteria-Derived Carbonaceous Nanofibers as a Highly Efficient Material for Radionuclides Elimination[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2016,4(9):4608-4616.
APA Sun, Yubing.,Wang, Xiangxue.,Ding, Congcong.,Cheng, Wencai.,Chen, Changlun.,...&Wang, Xiangke.(2016).Direct Synthesis of Bacteria-Derived Carbonaceous Nanofibers as a Highly Efficient Material for Radionuclides Elimination.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,4(9),4608-4616.
MLA Sun, Yubing,et al."Direct Synthesis of Bacteria-Derived Carbonaceous Nanofibers as a Highly Efficient Material for Radionuclides Elimination".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 4.9(2016):4608-4616.
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