Adsorption and Separation of Mercury: Sorption-Desorption of Hg2+ with Cross-Linked Graft Copolymer of Acrylic Acid and its Application in the Metal Ion Separation Process

P. Chowdhury

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Adsorption and Separation of Mercury: Sorption-Desorption of Hg2+ with Cross-Linked Graft Copolymer of Acrylic Acid and its Application in the Metal Ion Separation Process

机译：汞的吸附与分离：Hg 2 + 与丙烯酸交联接枝共聚物的吸附脱附及其在金属离子分离中的应用

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A selective and reliable method has been developed for the extraction and separation of mercuric ion with cross-linked graft copolymer of acrylic acid based on sorption-desorption studies. The graft copolymer acts as an ion exchanger. The physico-chemical properties of the exchanger, and optimum pH, time, and temperature for Hg2+ adsorption were determined. Metal ion adsorption kinetics, isotherms, and thermodynamics have been studied. A plausible mechanism for mercury ion extraction has been suggested. Mercuric ion has been separated quantitatively from various synthetic mixtures containing metal ions (Ni2+, Cd2+, Pb2+, and Zn2+).

机译：基于吸附-解吸研究，已开发出一种选择性可靠的方法，用于通过丙烯酸的交联接枝共聚物萃取和分离汞离子。接枝共聚物充当离子交换剂。确定了交换器的理化性质，确定了Hg 2 + 吸附的最佳pH，时间和温度。已经研究了金属离子的吸附动力学，等温线和热力学。有人提出了一种合理的汞离子萃取机理。已从各种含有金属离子的合成混合物中定量分离出汞离子（Ni 2 + ，Cd 2 + ，Pb 2 + 和Zn < sup> 2 + ）。

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《Separation Science and Technology》 |2010年第2期|p.256-261|共6页
作者
P. Chowdhury;
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Department of Chemistry, Visva-Bharati, Santiniketan, India;

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3. Improved homopolymer separation to enable the application of ~1H NMR and HPLC for the determination of the reaction parameters of the graft copolymerization of acrylic acid onto starch [J] . Witono J.R., Marsman J.H., Noordergraaf I.-W., Carbohydrate research . 2013,第Null期

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Adsorption and Separation of Mercury: Sorption-Desorption of Hg2+ with Cross-Linked Graft Copolymer of Acrylic Acid and its Application in the Metal Ion Separation Process

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