Novel magnetic polyamic hydrazide nanocomposite: Preparation, characterization, and application for the removal of cd(2+) and pb(2+) from industrial wastes

Zargoosh Kiomars; Habibi Hossein; Abdolmaleki Amir; Firouz Kourosh

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Novel magnetic polyamic hydrazide nanocomposite: Preparation, characterization, and application for the removal of cd(2+) and pb(2+) from industrial wastes

机译：新型磁性聚酰胺酰肼纳米复合材料：制备，表征和应用从工业废物中去除cd（2+）和pb（2+）

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In this work, a novel polymer polyamic hydrazide (PAH) was synthesized via the reaction of terephthalohydrazide with pyromelitic dianhydride. The obtained PAH was characterized with nuclear magnetic resonance (NMR) spectroscopy, Fourier transform infrared (FT-IR) spectroscopy and elemental analysis. Finally, a novel magnetic nanocomposite was prepared by immobilization of PAH on the Fe3O4 nanoparticles in water. The prepared magnetic nanocomposite was successfully used for selective removal of Pb2+ and Cd2+ ions from industrial wastes and the effects of affecting parameters on the adsorption capacity of the magnetic nanocomposite adsorbent for the removal of Pb2+ and Cd2+ from model aqueous solutions were investigated. The maximum adsorption capacities of Pb2+ and Cd2+ were found to be 138.9 and 103.1 mg g(-1), respectively. The kinetics and mechanism of the adsorption of Pb2+ and Cd2+ on the surface of the prepared nanocomposite were studied and it was found that complex formation between active sites of the surface of the nanocomposite and metal ions is the possible mechanism for adsorption of metal cations. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42538.

机译：在这项工作中，通过对苯二酰肼与均苯四甲酸二酐的反应合成了一种新型的聚合物聚酰胺酰肼（PAH）。用核磁共振（NMR）光谱，傅立叶变换红外（FT-IR）光谱和元素分析对所得的PAH进行表征。最后，通过将PAH固定在水中的Fe3O4纳米颗粒上制备了一种新型的磁性纳米复合材料。制备的磁性纳米复合材料已成功用于工业废料中Pb2 +和Cd2 +离子的选择性去除，研究了参数对磁性纳米复合吸附剂对模型水溶液中Pb2 +和Cd2 +的吸附能力的影响。发现Pb2 +和Cd2 +的最大吸附容量分别为138.9和103.1 mg g（-1）。对所制备的纳米复合材料表面吸附Pb2 +和Cd2 +的动力学和机理进行了研究，发现纳米复合材料表面活性部位与金属离子的络合物形成是金属阳离子吸附的可能机理。（c）2015 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，42538。

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《Journal of Applied Polymer Science》 |2015年第38期|共12页
作者
Zargoosh Kiomars; Habibi Hossein; Abdolmaleki Amir; Firouz Kourosh;
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正文语种 eng
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adsorption; applications; composites;

机译：吸附;应用;复合材料;

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1. Novel magnetic polyamic hydrazide nanocomposite: Preparation, characterization, and application for the removal of cd(2+) and pb(2+) from industrial wastes [J] . Zargoosh Kiomars, Habibi Hossein, Abdolmaleki Amir, Journal of Applied Polymer Science . 2015,第37a38期

机译：新型磁性聚酰胺酰肼纳米复合材料：制备，表征和应用从工业废物中去除cd（2+）和pb（2+）
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Novel magnetic polyamic hydrazide nanocomposite: Preparation, characterization, and application for the removal of cd(2+) and pb(2+) from industrial wastes

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