Fig. 1. Research areas : development area and sewage treatment plant(from right)
Fig. 2. Influent variation before and after development
Fig. 3. Variation of influent sewage concentration before and after development
Fig. 4. Variation of influent load before and after development
Fig. 5. Variation of C/N ratio before and after development
Fig. 6. Comparing efficiencies of pollutant treatment before and after development
Table 1. Characteristics of B sewage treatment plant
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