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Poster Exhibition 2008 Proceedings
 
Proceedings of the Second International Energy 2030 Conference,
November 4-5, 2008, Abu Dhabi, UAE

Effect of Carbon Dioxide and Nitrogen in Hydrogen Sulfide on Optimum Reactor Temperature in Claus Process

H. Selim

University of Maryland, USA

A. K. Gupta

University of Maryland, USA

M. Sassi

The Petroleum Institute, UAE

Abstract
This paper provides detailed examination of the effect of presence of N2 and CO2 in acid gas on the composition of the subsequent equilibrium product gas stream, in order to seek the optimum operating temperature for high sulfur removal efficiency. The study provides the important role of the incoming gas composition on the fate of sulfur recovery in the Claus reactor. Our studies reveal that the presence of N2 and CO2 in the acid gas stream impacts the sulfur recovery efficiency by altering the optimum temperature of the reactor as well as the conversion efficiency. The results show that the reactor temperature should be precisely monitored in order to enhance the sulfur recovery. The simulations provided here assist in quantifying the role of acid gas composition on sulfur recovery under different operational conditions of the reactor with minimal adverse effect on the environment.




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