The suspended particulate concentration in an aqueous industrial stream has been determined to be 27.6mg/l. Convert this value to units of μg/l, g/l, lb/ft3, and lb/gal?
A biologically contaminated dairy liquid waste requires disinfection with chlorine prior to dis-charge into a nearby lake. Given a contact time of 30minutes, a required chlorine dose for a 99.99% kill of the pathogenic organisms. To carry out the two‐steps oxidation–reduction and complete disinfection, the chlorine doses were kept at 3.0 and 0.5mg/l, respectively. Calculate how many pounds of chlorine would be required daily to disinfect 100000gal/day?
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