Title | Water Treatment Guidelines For Use in Emergencies |
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Tags | Water Water Purification Filtration Chlorine Bleach |
File Size | 939.7 KB |
Total Pages | 45 |
2. Assessing water quality Summary 2.1 Suspended solids (NTU) 2.2 Microbiological (faecal coliforms) 2.3 Acidity/alkalinity (pH) 2.4 Iron 2.5 Salinity (TDS/Conductivity) 2.6 Chemical 3. Treatment technologies Summary 3.1 Suspended solids removal/reduction 3.1.1 Treatment at intake 3.1.2 Sedimentation 3.1.3 Coagulation and flocculation 3.1.4 Roughing filtration – upflow prefilters 3.2 Microbiological improvements 3.2.3 Slow Sand Filtration Summary Summary Appendix 1, WHO water quality guidelines. Appendix 3 Treatment system monitoring forms