Chemical Design of Mg(II)/Fe(III)-Layered Double Hydroxides and Their Sorption Properties Toward Ibuprofen

IF 0.7 4区 化学 Q4 CHEMISTRY, MULTIDISCIPLINARY
T. S. Hubetska, V. Ya. Demchenko, N. G. Kobylinska
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引用次数: 0

Abstract

The features of the synthesis and the structure formation of homogenous phases of Mg(II),Fe(III)-layered double hydroxides with different Mg/Fe ratio in the reaction mixtures have been investigated. The effect of synthesis conditions of the materials, arrangement and molar ratio of the cations in a brucite-like layer, and polytypes of crystalline structure on the sorption properties toward ibuprofen has been studied. The sorption isotherms of ibuprofen on the synthesized sorbents at pH0 = 7,0 are satisfyingly fitted by the Langmuir model. The influence of the Mg2+/Fe3+ molar ratio and, respectively, the dimensions of the interlayer space on the maximum adsorption capacities toward ibuprofen in the aqueous solution is not observed. These results can be explained by the interaction of the adsorbate with the surface hydroxyl groups of brucite-like layers, as well as complexing reactions with structure-forming cations of the obtained sorbents.

Abstract Image

镁(II)/铁(III)层状双氢氧化物的化学设计及其对布洛芬的吸附特性
研究了不同镁/铁比例的镁(II)、铁(III)层状双氢氧化物在反应混合物中的合成特点和均相结构的形成。研究了材料的合成条件、类青金石层中阳离子的排列和摩尔比以及多晶体结构类型对布洛芬吸附特性的影响。在 pH0 = 7.0 的条件下,布洛芬在合成吸附剂上的吸附等温线与 Langmuir 模型的拟合效果令人满意。在水溶液中,Mg2+/Fe3+ 摩尔比和层间空间尺寸分别对布洛芬的最大吸附容量没有影响。这些结果可以用吸附剂与青金石类层表面羟基的相互作用以及与所获吸附剂中形成结构的阳离子的络合反应来解释。
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来源期刊
Theoretical and Experimental Chemistry
Theoretical and Experimental Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
1.60
自引率
10.00%
发文量
30
审稿时长
6-12 weeks
期刊介绍: Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as: a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials; b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions; c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.
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