Dechlorination ca be processed by 2 processes:
The dosing rate is 3:1 of SBS:Cl2 (active chlorine dose). The reaction time is about 2 minutes. NaHSO3 + Cl2 +H2O --> NaHSO4 + 2 HCl Na2S2O5 + Cl2 +H20 --> Na2SO4 +SO2 + 2HCl Chemisorption process where chlorine reacts with the carbon surface. CL2 --> Cl- |
| Desalination Pretreatment |
Reverse osmosis Ion exchange Electrodionisation Ultrafiltration Media filtration Coagulation - floculation Clarification Fine filtration Particles size Beta Ratio Bubble point Absolute Vs. nominal rating for filters Oil filtration and Oil-Block filters Zeta potential UV Chlorine dioxide Ozone Regeneration active carbon Adsorption Advanced oxidation Hydrogen peroxide Catalytic Wet Air Oxidation (CWAO) Sludge treatment Waterborne diseases
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