Consider the split-treatment softening of water described by the analysis below. Use the criteria for the finished water given in Example 11.8. Draw a bar graph for the finished water after second-stage treatment with soda ash, sedimentation, and final filtration.
CO2 = 15 mg/l as CO2 | HCO3- = 200 mg/l asCaCO3 |
Ca2+ = 60 mg/l | SO42- = 96 mg/l |
Mg2+ = 24 mg/l | Cl- = 35 mg/l |
Na+ = 46 mg/l |
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