Determination of diffusivity of H2S in water.Determine the diffusivity of H2S in water, using penetration theory,from the data below for absorption of H2S into a laminar jet of water at 20oC. Jet diameter = 1 cm, jet length = 7 cm, and solubility of H2S in water= 100 mol/m3. Assume the contact time is the time of exposure of the jet. The average rate of absorption varies with jet flow rate: Jet Flow Rate, cm/sRate of Absorption, mol/s x 10°0.1431.50.5683.01.2784.252.3726.153.5717.205.1428.75

Given information: Jet diameter, d = 1 cm Jet length, l = 7 cm Solubility of H2S in water, S = 100…

Answered: Jet Flow Rate, cm/s Rate of Absorption,…

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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Determination of diffusivity of H₂S in water.
Determine the diffusivity of H₂S in water, using penetration theory,from the data below for absorption of H₂S into a laminar jet of water at 20^oC. Jet diameter = 1 cm, jet length = 7 cm, and solubility of H₂S in water= 100 mol/m³. Assume the contact time is the time of exposure of the jet. The average rate of absorption varies with jet flow rate:

Jet Flow Rate, cm/s
Rate of Absorption, mol/s x 10°
0.143
1.5
0.568
3.0
1.278
4.25
2.372
6.15
3.571
7.20
5.142
8.75

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