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A core-shell structure of polyaniline coated protonic titanate nanobelt composites for both Cr(VI) and humic acid removal
Wen, Tao1; Fan, Qiaohui2; Tan, Xiaoli3; Chen, Yuantao4; Chen, Changlun3; Xu, Anwu5; Wang, Xiangke1,3,6
2016
发表期刊POLYMER CHEMISTRY
摘要The current methods for chromium and natural organic matter decontamination from wastewater present limitations, such as high cost, poor reproducibility, and detrimental environmental effects as well as by secondary waste. Herein, we synthesized a core-shell structure of polyaniline/hydrogen-titanate nanobelt (PANI/H-TNB) composites through chemical oxidation in the presence of phytic acid, which played an important role in the formation and regeneration of PANI. The adsorption performance of PANI/H-TNB composites as an adsorbent of Cr(VI) and humic acid (HA) from aqueous solutions was tested. A batch technique was adopted to investigate the removal efficiency toward Cr(VI) and HA under various environmental conditions. The PANI/H-TNB composites exhibited excellent adsorption capacity toward Cr(VI) (156.94 mg g(-1)) and HA (339.46 mg g(-1)), outperforming that of PANI nanowires and many other materials. Large Kd values (>10(4) mL g(-1)) demonstrated the high affinity of the composites for both of Cr(VI) and HA. The analysis of Fourier transformed infrared (FTIR) spectroscopy and X-ray photoelectron spectroscopy (XPS) showed that the removal of Cr(VI) was a combined effect of reduction Cr(VI) to Cr(III) and chemical sorption, while HA adsorption was mainly via surface complexation between the disassociated HA macromolecules and the positively charged PANI. The PANI/H-TNB composites presented satisfactory regeneration performance and reusability, which greatly reduced the wastewater disposal expenses. For the sake of industrial application, the PANI/H-TNB composites with high adsorption capacities can be applied as a suitable adsorbent for simultaneous removal of Cr(VI) and HA in wastewater cleanup.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c5py01721a
关键词[WOS]LAYERED DOUBLE HYDROXIDES ; ORGANIC-INORGANIC HYBRID ; ONE-POT SYNTHESIS ; HEXAVALENT CHROMIUM ; AQUEOUS-SOLUTION ; EFFICIENT REMOVAL ; ACTIVATED CARBON ; WASTE-WATER ; ADSORPTION ; NANOPARTICLES
收录类别SCI
语种英语
项目资助者NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; NSFC(21225730 ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Fundamental Research Funds for the Central Universities(JB2015001) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; 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 ; 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WOS研究方向Polymer Science
WOS类目Polymer Science
WOS记录号WOS:000368895700005
引用统计
被引频次：142[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/334002/21648
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, Key Lab Petr Resources, Gansu Province Key Lab Petr Resources Res, Inst Geol & Geophys, Lanzhou 730000, Peoples R China
3.Chinese Acad Sci, Inst Plasma Phys, Key Lab Novel Thin Film Solar Cells, Hefei 230031, Peoples R China
4.Qinghai Normal Univ, Dept Chem, Xining 810008, Qinghai, Peoples R China
5.Univ Sci & Technol China, Div Nanomat & Chem, Hefei Natl Lab Phys Sci, Microscale Dept, Hefei 230026, Peoples R China
6.King Abdulaziz Univ, Fac Sci, NAAM Res Grp, Jeddah 21589, Saudi Arabia
推荐引用方式
GB/T 7714		 Wen, Tao,Fan, Qiaohui,Tan, Xiaoli,et al. A core-shell structure of polyaniline coated protonic titanate nanobelt composites for both Cr(VI) and humic acid removal[J]. POLYMER CHEMISTRY,2016,7(4):785-794.
APA Wen, Tao.,Fan, Qiaohui.,Tan, Xiaoli.,Chen, Yuantao.,Chen, Changlun.,...&Wang, Xiangke.(2016).A core-shell structure of polyaniline coated protonic titanate nanobelt composites for both Cr(VI) and humic acid removal.POLYMER CHEMISTRY,7(4),785-794.
MLA Wen, Tao,et al."A core-shell structure of polyaniline coated protonic titanate nanobelt composites for both Cr(VI) and humic acid removal".POLYMER CHEMISTRY 7.4(2016):785-794.
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