chlorination

Free residual chlorine concentration in water was measured to be 2 mg/l (as Cl2). The pH of water is 8.5. By using the chemical equation given below, the HOCl concentration (in μmo...

Which of the following is/are NOT active disinfectant(s) in water treatment?

During chlorination process, aqueous (aq) chlorine reacts rapidly with water to form Cl-, HOCl, and H+ as shown below Cl₂ (aq) + H₂O ⇌ HOCl + Cl⁻ + H⁺ The most active disinfectant...

A wastewater is to be disinfected with 35 mg/L of chlorine to obtain 99% kill of micro-organisms. The number of micro-organisms remaining alive (Nt) at time t, is modelled by Nt =...