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kUSS BALANCE ANALYSIS <br /> operating Parameters: Liquid loading - 1.7 gpm (continuous) <br /> Vapor loading - 400 scfm <br /> Total Nonmethane Hydro- <br /> carbon concentration - <0.001 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 = 1.7 gpm <br /> X = Contaminant concentration, liquid phase = <0.001 mg/l <br /> V = Vapor Loading = 400 scfm <br /> V = Contaminant Concentration, vapor phase <br /> and, <br /> Vin = Xout = <br /> i Simplifying then, <br /> Vout x 'out = Lin x Xin = Contaminant vapor discharge (lbs/day) <br /> Vout x Yout = <br /> 3 (1.7 gal/min) (<0.001 mg/1) 19_ x 3.7851 x 1 lb_ x 1440 min <br /> 1000 mg gal 453.6 gm day <br /> Vout x Yout = <0.00002 lbs 'day <br /> Rearranging the mass balance equation and solving for the concentration <br /> of nonmethane hydrocarbons in the vapor discharge (Yout) . <br /> Yout = i'in x Xin <br /> —mut 400 f.t3%min x 7.48 gal/ft <br /> Yout = <0.0000006 mg/1 nonemethane hydrocarbons <br /> CiHilCtiilN'ATEH <br /> TECHNOLOGY.INC. <br /> t <br />