Find the height of a packed tower that uses air to strip hydrogen sulfide out of a water stream containing only 0.2% H2S. In this design, assume that the temperature is 25 °C, the liquid flow is 58 kg/sec, the liquid out contains only 0.017 mol% H2S, the air enters with 9.3% H2S, and the entire tower operates at 90 °C. The tower diameter and the packing are 50-cm and 1.0-cm Raschig rings, respectively, and the air flow should be 50% of the value at flooding. The value of K₁a is 0.23 sec, and the Henry's law constant (VHS/XH,S) is 1,440.
Find the height of a packed tower that uses air to strip hydrogen sulfide out of a water stream containing only 0.2% H2S. In this design, assume that the temperature is 25 °C, the liquid flow is 58 kg/sec, the liquid out contains only 0.017 mol% H2S, the air enters with 9.3% H2S, and the entire tower operates at 90 °C. The tower diameter and the packing are 50-cm and 1.0-cm Raschig rings, respectively, and the air flow should be 50% of the value at flooding. The value of K₁a is 0.23 sec, and the Henry's law constant (VHS/XH,S) is 1,440.
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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Transcribed Image Text:Find the height of a packed tower that uses air to strip hydrogen sulfide out of a water
stream containing only 0.2% H₂S. In this design, assume that the temperature is 25 °C,
the liquid flow is 58 kg/sec, the liquid out contains only 0.017 mol% H₂S, the air enters
with 9.3% H₂S, and the entire tower operates at 90 °C. The tower diameter and the
packing are 50-cm and 1.0-cm Raschig rings, respectively, and the air flow should be
50% of the value at flooding. The value of K₁a is 0.23 sec¹, and the Henry's law
constant (VH₂S/XH₂S) is 1,440.
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