水溶液中水杨酸吸附剂新型磁珠的合成与表征

Pub Date : 2022-05-18 DOI:10.15255/kui.2021.036

I. Aroun, Nabila Bensacia, N. Taoualit, Lylia Djadi, Amina Iakhlef

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引用次数: 0

摘要

本研究重点合成了两种吸附剂形式：磁性无孔杂化珠（MNPHB）和磁性大孔杂化珠。水杨酸在MNPHB和MMPHB上的吸附试验在25°C、pH 4、吸附剂质量为10 mg、初始浓度为10 mg l−1的条件下进行。MNPHP和MMPHB的吸附能力分别为9mg g−1和152mg g−1。用拟二阶模型和Freundlich等温线描述了MMPHB珠的吸附动力学。

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Synthesis and Characterisation of Novel Magnetic Beads as Salicylic Acid Adsorbents from an Aqueous Solution

The study focuses on the synthesis of two adsorbent forms that were prepared: magnetic nonporous hybrid beads (MNPHB), and magnetic macroporous hybrid beads (MMPHB). The salicylic acid adsorption tests on MNPHB and MMPHB were carried out at a temperature of 25 °C, pH 4, adsorbent mass of 10 mg, and an initial concentration of 10 mg l −1 . The adsorption capac ity was found to be for MNPHP and MMPHB to 9 mg g −1 and 152 mg g −1 , respectively. The adsorption kinetic was described by the pseudo-second order model and Freundlich isotherm for the MMPHB beads.

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