Wednesday 28 November 2012


A beverage industry requires some solution of sodium chloride to give a particular flavor to the drink product. To meet their needs, they mix water with salt . They perform a dilution to the sodium chloride solution to get a specific concentration they want. Dilution performed  in two CSTRs isothermally. Each tank has 200 L in volume.
Problem : The first tank containing pure water with initial volume of 50 m3, and then solution of sodium chloride flowing into the tank with concentration of 0,5 kg/m3 and 2m3/s in flowrate. The outlet flowrate flow into the second tank with the same  flowrate of 1 m3/s.If the second tank is 5, and the outlet flowrate of the second tank is 1 m3/s. Determine concentration of sodium chloride solution at t =10 min !



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