initial commit / add all books

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+//clc()

+//F = feed, E = extract, S = solvent, R = Raffinate

+xwaterF = 0.7;//Feed

+xalcoholF = 0.3;

+xwaterR = 0.71;//raffinate

+xalcoholR = 0.281;

+xethyR = 0.009;

+xwaterE = 0.008;//Extract

+xalcoholE = 0.052;

+xethyE = 0.94;

+//Total balance, R + E = F + S

+F = 100;//kg

+//R + E = 100 + S                         (1)

+//Isopropyl balance, xalcoholR * R + xalcoholE*E = xalcoholF * F

+//0.281*R + 0.052 * E = 30                (2)

+//Ethylene tetra chloride balance, xethyR * R + xethyE * E = S

+//0.009*R + 0.94*E = S                    (3)

+//Solving equation 1, 2 and 3 simultaneously, we get,

+S = 45.1;

+E = 47.04;

+R = 98.06;

+disp("kg",S,"(a)Amount of solvent used = ")

+disp("kg",E,"(b)Amount of extract = ")

+disp("kg",R,"   Amount of raffinate = ")

+mextracted = E * xalcoholE;

+P1 = mextracted * 100 / (F * xalcoholF);

+disp("%",P1,"(c)Percent of isopropyl alcohol extracted = ")