Kołodyńska Dorota, Drozd Alicja, Ju Yongming
Department of Inorganic Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie Skłodowska University, Maria Curie Skłodowska Sq. 2, 20-031 Lublin, Poland.
Analytical Department, Łukasiewicz Research Network-New Chemical Syntheses Institute, Al. Tysiąclecia Państwa Polskiego 13a, 24-110 Puławy, Poland.
Polymers (Basel). 2021 Oct 26;13(21):3688. doi: 10.3390/polym13213688.
Three acrylic-based superabsorbents-TerraHydrogelAqua (THA), ZebaHydrogel (ZH) and AgroHydrogel (AH) were used to investigate the influence of chemical conditions on kinetic and adsorption behavior towards metal ions in the presence of a chelating agent of a new generation called ethylenediamine-,'-disuccinic acid (EDDS). The effects of relevant parameters-mainly including those of sorbent dose, pH of the solution and initial concentration of Cu(II), Zn(II), Mn(II) and Fe(III) complexes with EDDS as well as phase contact time and temperature-on the adsorption efficiency were studied in detail by the static method. The experimental data were also characterized by kinetic and adsorption parameters obtained based on the Langmuir and Freundlich models of sorption as well as the Lagergren, Ho and McKay and Weber-Morris models.
三种丙烯酸基高吸水性树脂——TerraHydrogelAqua（THA）、ZebaHydrogel（ZH）和AgroHydrogel（AH）被用于研究化学条件对在新一代螯合剂乙二胺-N,N'-二琥珀酸（EDDS）存在下对金属离子的动力学和吸附行为的影响。通过静态法详细研究了相关参数——主要包括吸附剂剂量、溶液pH值、Cu(II)、Zn(II)、Mn(II)和Fe(III)与EDDS形成的配合物的初始浓度以及相接触时间和温度——对吸附效率的影响。实验数据还通过基于吸附的朗缪尔和弗伦德利希模型以及拉格伦、何和麦凯以及韦伯-莫里斯模型获得的动力学和吸附参数进行了表征。
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