Answered: Hydrogen sulfide (H2S) gas in petroleum…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Hydrogen sulfide (H₂S) gas in petroleum refinery is to be removed from a 984 kg/h gas mixture consist of 25 % w.w H₂S into air, using counter current absorption column.

Water is used as solvent in the absorption column. The water flow rate is 1.81 times the gas mixture flow rate.

The air mole percent at the top of the column is 96.5%.

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

Calculate;

To H₂S molar flow rate and mole fraction entered the bottom of 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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