磁性聚吡咯基复合材料吸附电镀废水中铜离子

doi:10.19936/j.cnki.2096-8000.20220728.010

摘要/Abstract

摘要： 首先采用沉淀法制取Fe₃O₄纳米微球,然后在超声波作用下,使聚吡咯与Fe₃O₄相结合,形成聚吡咯基磁性纳米复合材料,所得复合材料采用XRD、FTIR、SEM、TEM及磁学性能进行表征,实验结果表明聚吡咯与Fe₃O₄纳米微球已成功复合,形成粒径约为200 nm、饱和磁化强度为48 emu/g的复合材料。实验进一步开展了复合材料作为吸附剂对铜离子的循环吸附研究,第1次循环吸附效率为94.50%,5次循环吸附后,吸附效率为88.25%,吸附效率仍较为可观。同时,复合材料本身具有较强的磁学性能,使得整个循环吸附过程可以通过磁性吸附进行,操作简单,省时省力。因此,该复合材料作为一种循环吸附剂,具有良好的应用前景。

关键词: 磁性Fe₃O₄, 聚吡咯, 复合材料, 吸附性能

Abstract: In this paper, Fe₃O₄ nano microspheres were prepared by precipitation method, and then polypyrrole and Fe₃O₄ were combined under the action of ultrasonic to form polypyrrole based magnetic nanocomposites. The composites were characterized by XRD, FTIR, SEM, TEM and magnetic properties. The experimental results show that polypyrrole and Fe₃O₄ nano microspheres have been successfully compounded, and the particle size is about 200 nm, producing composites with saturation magnetization of 48 emu/g. The further experiment was carried out to study the cyclic adsorption of copper ion with composite materials as adsorbent. The adsorption efficiency of the first cycle was 94.50%, and after five cycles of adsorption, the adsorption efficiency was 88.25%. At the same time, the composite has strong magnetic properties, so that the whole cyclic adsorption process can be carried out through magnetic adsorption, which is simple, time-saving and labor-saving. Therefore, the composite has a good application prospect as a circulating adsorbent.

Key words: magnetic Fe₃O₄, polypyrrole, composite material, adsorption property

中图分类号:

TB332

王东萍. 磁性聚吡咯基复合材料吸附电镀废水中铜离子[J]. 复合材料科学与工程, 2022, 0(7): 66-70.

WANG Dong-ping. Adsorption of copper ions in electroplating wastewater by magnetic polypyrrole composite[J]. COMPOSITES SCIENCE AND ENGINEERING, 2022, 0(7): 66-70.

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