//Hougen O.A., Watson K.M., Ragatz R.A., 2004. Chemical process principles Part-1: Material and Energy Balances(II Edition). CBS Publishers & Distributors, New Delhi, pp 504 //Chapter-5, Illustration 2, Page 113 //Title: Calculation of relative saturation and percentage saturation //============================================================================= clear clc //INPUT P = [745 184.8] //Working pressure and vapor pressure of acetone at 20 degree C in mm Hg v = 14.8 //Composition by volume of acetone //CALCULATIONS P1 = P(1)*v/100; //Partial pressure of acetone in mm Hg RS = P1*100/P(2); //Relative saturation of mixture n1 = v/100; //lb mole of acetone n2 = 1-n1; //lb mole of nitrogen n3 = n1/n2; //lb moles of acetone per lb moles of nitrogen V1 = P(2)*100/P(1); //Percentage by volume of acetone n4 = V1/100; //lb moles of acetone n5 = 1-n4; //lb moles of nitrogen n6 = n4/n5; //Moles of acetone per moles of nitrogen PS = n3*100/n6; //Percentage saturation //OUTPUT //Console output mprintf('\n Relative saturation of the mixture at given conditions = %3.1f %% \n Percentage saturation = %3.1f %%',RS,PS); // File output fd= mopen('.\Chapter5_Example2_Output.txt','w'); mfprintf(fd,'\n Relative saturation of the mixture at given conditions = %3.1f %% \n Percentage saturation = %3.1f %%',RS,PS); mclose(fd); //=============================END OF PROGRAM==================================