| 煤化工高盐废水处理系统运行与优化研究 | 
| 孙钰林,刘凤洋,武斌斌,杨宇宁,杨春鹏,赵锐,高峰 | 
| Operation and optimization of coal chemical high salinity wastewater treatment system | 
| Yulin SUN,Fengyang LIU,Binbin WU,Yuning YANG,Chunpeng YANG,Rui ZHAO,Feng GAO | 
| 图6 滤纸过滤前与后分别调pH时总硬度变化 | 
| Fig. 6 Changes of total hardness during pH adjustment before and after filtration | 
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