Making Potable Water: 0.0 / 5 ? ChemistryPotable WaterGCSEAQA Created by: ErinSunderland16Created on: 17-04-19 16:17 Step 1 Screen large insoluble matter (solids). 1 of 8 Step 2 Remove solids by sedimentation (small insoluble matter). 2 of 8 Step 3 Flocculation (removes tiny insoluble matter). 3 of 8 Step 4 Filtration - gravel and sand beds filter out any other insoluble solids. 4 of 8 Step 5 Sterilisation 5 of 8 1st method of Sterilisation Chlorination (cheap) - long term protection 6 of 8 2nd method of Sterilisation Ozonolysis (react with ozone) 7 of 8 3rd method of Sterilisation UV treatment - kills any harmful bacteria or microbes 8 of 8
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