Synthesis of Graphite-Based Ion-Imprinted Polymer for the Selective Removal of Nitrate Ions,Chemical Engineering & Technology

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Synthesis of Graphite-Based Ion-Imprinted Polymer for the Selective Removal of Nitrate Ions
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2022-07-18 , DOI: 10.1002/ceat.202200001
Anis Syahirah Ismail ₁ , Noorhidayah Ishak ₁ , Qasrina Kamarudin ₁ , Vivian Ewe Shin Hui ₁ , Nur Bahijah Mustapa ₁ , Azalina Mohamed Nasir ₁

Affiliation

A graphite-based ion-imprinted polymer (G-IIP) was synthesized using the surface-printing technique. Allylthiourea was used as the functional monomer, nitrate as the template, and ethylene glycol dimethacrylate as a crosslinker. The polymers were characterized, and the adsorption capacity was tested. The binding ability of G-IIP was nearly twice higher than that of the graphite-non-imprinted polymer (G-NIP). The adsorption of G-IIP followed the Freundlich isotherm and the pseudo-second-order kinetic. G-IIP showed good removal efficiency of nitrate ions in actual wastewater samples with 85 % recovery. Overall, the fabricated G-IIP would be a potential adsorbent for wastewater treatment.

中文翻译：

用于选择性去除硝酸根离子的石墨基离子印迹聚合物的合成

使用表面印刷技术合成了一种基于石墨的离子印迹聚合物（G-IIP）。烯丙基硫脲作为功能单体，硝酸盐作为模板，乙二醇二甲基丙烯酸酯作为交联剂。对聚合物进行了表征，并测试了吸附能力。G-IIP的结合能力几乎是石墨非印迹聚合物（G-NIP）的两倍。G-IIP的吸附遵循Freundlich等温线和准二级动力学。G-IIP 在实际废水样品中显示出良好的硝酸根离子去除效率，回收率为 85%。总体而言，制造的 G-IIP 将成为废水处理的潜在吸附剂。

更新日期：2022-07-18

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