Hydrogen sulfide (H2S) gas in petroleum refinery is to be removed from a 1387kg/h gas mixture consist of 16 % w.w H2S into air, using counter current absorption column. Water is used as solvent in the absorption column. The water flow rate is 3 times the gas mixture flow rate. The air mole percent at the top of the column is 97.5%.   The air consists of 21.9% oxygen and 78.1% nitrogen.   Calculate;   3. To calculate the quantity and percent of H2S absorbed in the column?     Note; Don’t round numbers; Minimum 4 decimals (0.0000)   Given A) The air consists of 21.9% oxygen and 78.1% nitrogen. B) The atomic weight of; 1. The hydrogen atom is 1 2. The Oxygen atom is 16 3. The sulfur atom is 32 4. 1The nitrogen atom is 14

Introduction to Chemical Engineering Thermodynamics
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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Hydrogen sulfide (H2S) gas in petroleum refinery is to be removed from a 1387kg/h gas mixture consist of 16 % w.w H2S into air, using counter current absorption column.

Water is used as solvent in the absorption column. The water flow rate is 3 times the gas mixture flow rate.

The air mole percent at the top of the column is 97.5%.

 

The air consists of 21.9% oxygen and 78.1% nitrogen.

 

Calculate;

 

3. To calculate the quantity and percent of H2S absorbed in the column?

 

 

Note; Don’t round numbers; Minimum 4 decimals (0.0000)

 

Given

A) The air consists of 21.9% oxygen and 78.1% nitrogen.

B) The atomic weight of;

1. The hydrogen atom is 1

2. The Oxygen atom is 16

3. The sulfur atom is 32

4. 1The nitrogen atom is 14

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