We select the metering pump with Q = 18.3 l BL / h for the following reasons:
the amount of chlorine needed to disinfect the wastewater is 3 to 1 day to 1.17 kg of pure chlorine. However, the market only chlorine have a purity of 70%. So weight is 1.7 kg of chlorine needed. With dilution is 75%, one day will use up 300 liters of chlorine were prepared. Phase concentrations, the flow calculations necessary chemical pump at least 12.5 m3 / h
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