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c <br /> MASS BALANCE ANALYSIS <br /> operating Parameters: Liquid loading - 1.3 gpm (continuous) <br /> Vapor loading - 300 scfm <br /> Benzene concentration - .002 ppm <br /> Assumptions: 1) 100 percent transfer of contaminants to vapor <br /> phase <br /> 2) Vapor influent is not contaminated <br /> Mass Balance Equation <br /> (Lin x Xin) + (Vin x Yin) = (Lout x Xout) + (Vout x Yout) <br /> Where, <br /> L = Liquid Loading = 1.3 gpm <br /> X = Contaminant concentration, liquid phase = .002 mg/l <br /> V = Vapor Loading = 300 scfm <br /> Y = Contaminant Concentration, vapor phase <br /> and, <br /> Vin = Xout = 0 <br /> Simplifying then, <br /> Vout x Yout = Lin x Xin = Contaminant vapor discharge <br /> (lbs/day) <br /> Vout x Yout = <br /> (1.3 gal/min) (.002 mg/1) l gm x 3.7851 x 1 lb x 1440 min <br /> 1000 mg gal 453.6 gm day <br /> Vout x Yout = 3.12 x 10-2lbsjday_ = Atmospheric Emissions <br />