方向4:水处理

食品、药品、核工业的快速发展产生了大量有机、重金属废水。这些废水如果处理不当,不仅将长期危害环境,还会导致许多疾病的发生,如畸形、白血病和癌症等。此外,对废水进行处理不仅可以减少污染物对生态系统的危害,而且可以从废水中回收有价值的有机物或重金属,充分利用资源。具体研究内容如下:针对废水中的L-赖氨酸、磷酸三丁酯、锶离子、铯离子等有机或重金属污染物,我们采用电渗析、电去离子、电化学法降解等策略对其进行高效处理。此外,我们还制备了含有特异性吸附官能团的磺化聚酰亚胺膜、壳聚糖基有机/无机复合膜等材料对废水中的铜离子、铀离子、铬离子等进行处理。

部分废水处理装置示意图

代表性成果:

[1] Yanlin Wang, Jun Long, Wenjie Xu, Huan Luo, Jun Liu, Yaping Zhang*, Jinchao Li*, Xuegang Luo. Removal of uranium(VI) from simulated wastewater by a novel porous membrane based on crosslinked chitosan, UiO-66-NH2 and polyvinylalcohol. Journal of Radioanalytical and Nuclear Chemistry (2021) 328: 397-410.

[2] Yuqin Zhou, Pan Yang, Yang Pu, Sensen Xuan, Pohui Wang, Yaping Zhang*. Electrochemical degradation of spent tributyl phosphate extractant by a boron-doped diamond anode. Journal of Radioanalytical and Nuclear Chemistry (2018) 315: 29-37.

[3] Sensen Xuan, Shuang Zhu, Yongjie Zhu, Yuqin Zhou, Pan Yang, Yang Pu, Hongping Zhang, Yaping Zhang*. Cu2+ adsorption onto sulfonated polyimide membrane: an experiment study. Desalination and Water Treatmen (2017) 100: 151-159.

[4] Yaping Zhang*, Lei Wang, Sensen Xuan, Xiaoyan Lin, Xuegang Luo, Variable effects on electrodeionization for removal of Cs+ ions from simulated wastewater. Desalination (2014) 344: 212-218.

[5] Yaping Zhang*, Yan Chen, Mingzhu Yue, Wenlong Ji. Recovery of L-lysine from L-lysine monohydrochloride by ion substitution using ion-exchange membrane. Desalination (2011)271: 163-168.

资助项目:

[1]西南科技大学龙山学术人才支持计划 (No. 17LZX402, 18LZX441),在研。

[2]生物质材料教育部工程研究中心开放基金(No. 13zxbk02),已结题。

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