Preparation, Characterization of Zirconium Phosphate Composites and Their Adsorption Properties of Phenolic Wastewater

IF 0.5 4区 化学 Q4 CHEMISTRY, ANALYTICAL Journal of Water Chemistry and Technology Pub Date : 2024-07-31 DOI:10.3103/S1063455X24040064
Xue-Li Liu, Si-Jin Li, Ya-Li Sun, Lan-Lan Wang
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Abstract

In this study, a series of organic amine-intercalated α-ZrP were prepared. The crystal phase, structures and properties of these intercalated compounds were analyzed and characterized using several analysis methods. The interlayer distance of organic amine-intercalated α-ZrP has increased regularly along with the increase of chain elongation of organic amine. The composites were applied to adsorb phenol from wastewater. The adsorption equilibrium, kinetics, and dynamic adsorption of phenol onto intercalated α-ZrP were studied. Adsorption isotherms of phenol were determined at different temperatures, and they were well fitted to the Freundlich equation (R2 > 0.99), and the corresponding maximum adsorption capacity of phenol was 0.832 mmol/g. Batch kinetic experiments revealed that the adsorption process followed a quasi-second-order kinetic model. The dynamic adsorption revealed that the adsorption capacity for phenol increased with the increase in temperature. The adsorption process was rapid and equilibrium was reached within 30 min. When the adsorption dosage is 0.1 g/15 mL, the adsorption yield for 10 mmol/L phenol solution can reach 61.2%.

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磷酸锆复合材料的制备、表征及其对酚类废水的吸附性能
摘要 本研究制备了一系列有机胺插层α-ZrP。采用多种分析方法对这些插层化合物的晶相、结构和性质进行了分析和表征。有机胺插层 α-ZrP 的层间距离随着有机胺链长度的增加而有规律地增加。复合材料被用于吸附废水中的苯酚。研究了苯酚在插层 α-ZrP 上的吸附平衡、动力学和动态吸附。测定了不同温度下苯酚的吸附等温线,它们与 Freundlich 方程(R2 > 0.99)拟合良好,相应的苯酚最大吸附容量为 0.832 mmol/g。批次动力学实验表明,吸附过程遵循准二阶动力学模型。动态吸附实验表明,苯酚的吸附容量随着温度的升高而增加。吸附过程很快,在 30 分钟内就达到了平衡。当吸附量为 0.1 g/15 mL 时,对 10 mmol/L 苯酚溶液的吸附率可达 61.2%。
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来源期刊
Journal of Water Chemistry and Technology
Journal of Water Chemistry and Technology CHEMISTRY, APPLIED-CHEMISTRY, ANALYTICAL
自引率
0.00%
发文量
51
审稿时长
>12 weeks
期刊介绍: Journal of Water Chemistry and Technology focuses on water and wastewater treatment, water pollution monitoring, water purification, and similar topics. The journal publishes original scientific theoretical and experimental articles in the following sections: new developments in the science of water; theoretical principles of water treatment and technology; physical chemistry of water treatment processes; analytical water chemistry; analysis of natural and waste waters; water treatment technology and demineralization of water; biological methods of water treatment; and also solicited critical reviews summarizing the latest findings. The journal welcomes manuscripts from all countries in the English or Ukrainian language. All manuscripts are peer-reviewed.
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