两级A2/O+磁混凝工艺处理农村生活污水工程实例
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An engineering case of rural domestic sewage treatment by two-stage A2/O+magnetic coagulation process
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图3. 运行期间COD、氨氮、TN、TP及SS变化 |
Fig.3. Changes of COD,ammonia nitrogen,TN,TP and SS concentrations during operation |
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