| 改性纳米零价铁去除地下水硝酸盐的研究 | 
| 张笑天, 张阳阳, 祖波, 张云霞, 陈克军 | 
| Research on nitrate removal from groundwater by modified nano-zerovalent iron | 
| Xiaotian ZHANG, Yangyang ZHANG, Bo ZU, Yunxia ZHANG, Kejun CHEN | 
| 图13 反应过程中pH、OPR和氮物种的变化 | 
| Fig.13 Changes of pH, OPR and nitrogen species in the reaction process | 
|   |