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Table 4

The effect of influent N/S ratio

(NH4+-N)in(NO2-N)in(SO42–-S)in(N/S)in(NH4+-N)removal(SO42–-S) removal(NO3-N)eff
83.76 112.27 71.13 38.80 13.54 
83.02 40.25 52.65 30.48 6.42 
83.23 29.16 96.64 78.13 46.72 26.89 
87.13 29.79 52.86 74.77 8.91 5.41 
(NH4+-N)in(NO2-N)in(SO42–-S)in(N/S)in(NH4+-N)removal(SO42–-S) removal(NO3-N)eff
83.76 112.27 71.13 38.80 13.54 
83.02 40.25 52.65 30.48 6.42 
83.23 29.16 96.64 78.13 46.72 26.89 
87.13 29.79 52.86 74.77 8.91 5.41 

All units in mg·L−1 except removal; N/S meaning is NH4+-N/SO42–-S; (in) in the presence of influent; (eff) in the presence of effluent.

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