Acid gas composition effects on the optimum temperature in Claus reactor

H. Selim, A. K. Gupta, M. Sassi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

35 Scopus citations

Abstract

Examination of the effect of gases accompanied with hydrogen sulfide in the sulfur recovery process is critical for determining the optimum operating temperature to obtain the maximum sulfur recovery. Carbon dioxide and nitrogen are the most popular gases contained in the hydrogen sulfide acid gas stream to be treated. This paper provides detailed examination of the effect of various combinations 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 in the Claus reactor. Our studies reveal that the presence of N2 and CO 2 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 the acid gas composition on high sulfur recovery under different operational conditions of the reactor with minimal adverse effect on the environment.

Original languageBritish English
Title of host publication6th International Energy Conversion Engineering Conference, IECEC
StatePublished - 2008
Event6th International Energy Conversion Engineering Conference, IECEC - Cleveland, OH, United States
Duration: 28 Jul 200830 Jul 2008

Publication series

Name6th International Energy Conversion Engineering Conference, IECEC

Conference

Conference6th International Energy Conversion Engineering Conference, IECEC
Country/TerritoryUnited States
CityCleveland, OH
Period28/07/0830/07/08

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