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Technical Briefs

Hydrocarbon Condensation Heating of Natural Gas by an Activated Carbon Desulfurizer

[+] Author and Article Information
Gordon Israelson

 Siemens Power Generation, 1310 Beulah Road, Pittsburgh, PA 15235gisraelson@gmail.com

This author is scheduled to present a paper on water vapor effects on sulfur capacity of sorbents at the ASME June 2008 Fuel Cell Conference.

J. Fuel Cell Sci. Technol 6(3), 034506 (May 15, 2009) (3 pages) doi:10.1115/1.3009269 History: Received November 02, 2007; Revised February 19, 2008; Published May 15, 2009

A phenomenon was observed after exposing a fresh bed of activated carbon to a flow of natural gas that included several percent of ethane and propane in addition to the bulk methane. For several hours the temperature of the natural gas exiting the carbon bed was about 30°C higher than the temperature of the gas entering the bed. This phenomenon can be attributed to release of the latent heat of vaporization due to condensation of all of ethane and propane into the pores of carbon. Due to its hydrophobic nature carbon is not expected to produce significant condensation of water vapor. The calculated additional water vapor condensation heat release and its related temperature increase was not observed.

Copyright © 2009 by American Society of Mechanical Engineers
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