以磁性PS-DCDA树脂为前驱体,通过KOH活化法以不同KOH、磁性碳球质量比制备了磁性树脂基的磁性碳球,然后用其对水溶液中的Hg2+进行吸附,根据吸附量优化活化比,最后用SEM、FTIR、XRD、VSM和BET对吸附效果最好的磁性碳球样品进行了表征.结果表明,用KOH对磁性碳球进行活化,当KOH、磁性碳球的质量比为1∶1时,制得的磁性碳球对Hg2+的吸附效果最好.碳化后碳球样品表面存在大量的孔洞,比表面积达到了254 m2/g,磁饱和强度达到1.82 emu/g,在外加磁场下磁性碳球能快速地和液相分离.
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