利用紫外-可见光谱技术灵敏度高、操作便捷的特点，结合水化学原理，建立基于水化学过程中光谱效应的三大水化学过程定量表征新方法与新仪器，应用于饮用水净化工艺原理定量表征与调控。

利用紫外-可见差分光谱定量表征DOM酸碱平衡反应、络合反应、氧化还原三大反应特性

代表性论文：

(1) Li, M. et al. Effects of pre-oxidation on residual dissolved aluminum in coagulated water: A pilot-scale study. Water Res 190, doi:10.1016/j.watres.2020.116682 (2021).

(2) Yan, M. & Korshin, G. V. Comparative examination of effects of binding of different metals on chromophores of dissolved organic matter. Environmental Science & Technology 48, 3177-3185, doi:10.1021/es4045314 (2014).

(3) Yan, M., Korshin, G. V. & Chang, H.-S. Examination of disinfection by-product (DBP) formation in source waters: A study using log-transformed differential spectra. Water Res 50, 179-188 (2014).