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Effectiveness of ferrate (VI) preoxidation in enhancing the coagulation of surface waters |
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| Authors: | Ma Jun Liu Wei |
| Affiliation: | School of Municipal and Environmental Engineering, Harbin Institute of Technology, P.O. Box 2627, Harbin 150090, People's Republic of China |
| Abstract: | Standard jar tests were conducted to evaluate the effectiveness of ferrate preoxidation in enhancing the coagulation of surface waters. A substantial reduction of residual turbidity after sedimentation and filtration was achieved by ferrate preoxidation in all cases of the investigation of various water qualities at low ferrate dosage (0.5–1.0 mg/l). The enhancement of the coagulation was more obvious when the organic content in the waters were relatively high. |
| Keywords: | Potassium ferrate Preoxidation Coagulation Turbidity Enhanced coagulation |
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