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1 kg of molecular sieve 5A adsorbent is introduced in the space with 100 kg of total moist air at 20°C with an RH of 80%. The adsorption capacity of this desiccant is 0.4 kg of water/kg of adsorbent with a heat of adsorption of 2800 kJ/kg. The water vapor changes phase as it is absorbed, so you do not need to account for the latent heat of vaporization. Find the final thermodynamic state of the moist air. How much heat needs to be removed from the air to bring it back to 20°C?

1 kg of molecular sieve 5A adsorbent is introduced in the space with 100 kg of total moist air at 20°C with an RH of 80%. The adsorption capacity of this desiccant is 0.4 kg of water/kg of adsorbent with a heat of adsorption of 2800 kJ/kg. The water vapor changes phase as it is absorbed, so you do not need to account for the latent heat of vaporization. Find the final thermodynamic state of the moist air. How much heat needs to be removed from the air to bring it back to 20°C?

Introduction to Chemical Engineering Thermodynamics
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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Question 3" 1 kg of molecular sieve 5A adsorbent is introduced in the space with 100 kg of total moist air at 20°C with an RH of 80%. The adsorption capacity of this desiccant is 0.4 kg of water/kg of adsorbent with a heat of adsorption of 2800 kJ/kg. The water vapor changes phase as it is absorbed, so you do not need to account for the latent heat of vaporization. Find the final thermodynamic state of the moist air. How much heat needs to be removed from the air to bring it back to 20°C?
Transcribed Image Text:Question 3" 1 kg of molecular sieve 5A adsorbent is introduced in the space with 100 kg of total moist air at 20°C with an RH of 80%. The adsorption capacity of this desiccant is 0.4 kg of water/kg of adsorbent with a heat of adsorption of 2800 kJ/kg. The water vapor changes phase as it is absorbed, so you do not need to account for the latent heat of vaporization. Find the final thermodynamic state of the moist air. How much heat needs to be removed from the air to bring it back to 20°C?
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