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Membrane and Desalination Technologies - TCE Moodle Website

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CONTENTS<br />

9<br />

Adsorption <strong>Desalination</strong>: A Novel Method<br />

Kim Choon Ng, Ibrahim I. El-Sharkawy, Bidyut Baran Saha,<br />

<strong>and</strong> Anutosh Chakraborty<br />

INTRODUCTION<br />

ADSORPTION CHARACTERISTICS OF SILICA GEL–WATER PAIR<br />

ISOTHERMAL ADSORPTION OF WATER VAPOR ONTO TWO TYPES OF SILICA GELS<br />

THERMALLY DRIVEN ADSORPTION DESALINATION<br />

RECENT IMPROVEMENTS OF ADSORPTION DESALINATION PLANT<br />

DESIGN FOR LARGE COMMERCIAL ADSORPTION DESALINATION PLANT<br />

CLOSURE<br />

ACKNOWLEDGMENTS<br />

REFERENCES<br />

Abstract The search for potable water for quenching global thirst remains a pressing<br />

concern throughout many regions of the world. The dem<strong>and</strong> for new <strong>and</strong> sustainable sources<br />

<strong>and</strong> the associated technologies for producing fresh water are intrinsically linked to the<br />

solving of potable water availability <strong>and</strong> hitherto, innovative <strong>and</strong> energy efficient desalination<br />

methods seems to be the practical solutions. Quenching global thirst by adsorption desalination<br />

is a practical <strong>and</strong> inexpensive method of desalinating the saline <strong>and</strong> brackish water to<br />

produce fresh water for agriculture irrigation, industrial, <strong>and</strong> building applications. This<br />

chapter provides a general overview of the adsorption fundamentals in terms of adsorption<br />

isotherms, kinetics, <strong>and</strong> heat of adsorption. It is then being more focused on the principles of<br />

thermally driven adsorption desalination methods. The recent developments of adsorption<br />

desalination plants <strong>and</strong> the effect of operating conditions on the system performance in terms<br />

of specific daily water production <strong>and</strong> performance ratio are presented. Design of a large<br />

commercial adsorption desalination plant is also discussed herein.<br />

Key Words Adsorption desalination adsorption kinetics adsorption isotherms heat<br />

of adsorption heat recovery mass recovery performance ratio specific daily water<br />

production<br />

From: H<strong>and</strong>book of Environmental Engineering, Volume 13: <strong>Membrane</strong> <strong>and</strong> <strong>Desalination</strong> <strong>Technologies</strong><br />

Edited by: L.K. Wang et al., DOI: 10.1007/978-1-59745-278-6_9 # Springer ScienceþBusiness Media, LLC 2011<br />

391

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