Question: Hi, i need full answer for( a) and( b) Please Note : Clear and good hand writing as possible. Thanks A sieve-tray tower is being

 Hi, i need full answer for( a) and( b) Please Note

Hi, i need full answer for( a) and( b) Please Note : Clear and good hand writing as possible. Thanks

A sieve-tray tower is being designed for a gas absorption process. The entering gas contains 1.8% (molar) of A, the component to be absorbed. The gas should leave the tower containing no more than 0.1% (molar) of A. The liquid to be used as absorbent initially contains 0.01% (molar) of A. The system obeys Henry's law with m=yi/xi= 1.41. At the bottom of the tower, the molar liquid-to-gas ratio is L/V=2.115, while at the other extreme L/V=2.326. For these conditions, it has been found that the Murphree efficiency is constant at EMGE=0.65. (a) Estimate the number of trays required. (b) Based on the criteria presented in Chapter 4, the tower diameter must be 1.5m. Estimate the tower height. For tramsfer from t to V (stripping of z ) A=L/mV=1:N=ln(1/A)1n[xNyN+1/mx0yN+1/m(1A)+AA=1:N=xNyN+1/mx0xN For transfer from V to L (absorption into t ) A=1:N=lnAln[y1mx0yN+1mm0(1A1)+A1]A=1:N=y1mx0yN+1y1

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