Water Softeners and Wastewater Treatment Systems
Water Softeners and Wastewater Treatment Systems
Water Softeners and Wastewater Treatment Systems
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Statistical Comparison<strong>Systems</strong> w/o WS Brine <strong>Systems</strong> w/ WS BrineMean Std. Dev. Mean Std. Dev.cBOD 5 , mg/L4.7 6.7 7.317.8TSS, mg/L6.9 7.4 9.89.3Turbidity, NTU 1.6 2.9 2.13TKN, mg/L5.0 7.7 9.121.7NH 3 -N, mg/L1.8 8.3 6.312.8NO 3 -N, mg/L12.2 13.2 8.47.7TN, mg/L15.6 16.2 19.9 23.8CL - , mg/L58.1 32.0 1207 1014Alk, mg/L as CaCO 3 161.0 77.6 177353E. coli, mpn/100mL 5008 12,700 7957 10,250<strong>Water</strong> <strong>Softeners</strong> 1/22/07 #14
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