Chemical Engineering > GATE 2013 > Membrane Separation
A reverse osmosis unit treats feed water (F) containing fluoride and its output consists of a permeate stream (P) and a reject stream (R). Let CF CP, and CR denote the fluoride concentrations in the feed, permeate, and reject streams, respectively. Under steady state conditions, the volumetric flow rate of the reject is 60 % of the volumetric flow rate of the inlet stream, and CF=2 mg/L and CP=0.1 mg/L.
The value of CR in mg/L, up to one digit after the decimal point, is
The value of CR in mg/L, up to one digit after the decimal point, is
Correct : 3.2
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