15 ppm of chemical with 20m3/hr of water flow, how much the injection rate

To maintain 15 ppm of chemical with 20 M3/hr of water flow, how much liters of chemicals to be injected/day? how to calculate the chemcial injection rate?
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1 Answer

(20 kubik meters/our) *24=480 kubik meters

kemikals=15 parts per milyun* 480 kubik meters

=7200/10^6  =7.2* 10^3 =0.0072 kubik meters av kemikals/dae

1 kubik meter=1000 liters

7.2 liters kemikals/dae
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