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TECHNICAL KINETICS OF THE HYDROGEN SULPHIDE-METHANE REACTION

By ΣΥΜΕΩΝ ΜΕΓΑΛΟΦΩΝΟΣ

Abstract

IN THE CONTEXT OF THIS PH.D THESIS, THE HYDROGEN SULPHIDE-METHANE REACTION AND THE USE OF THIS PROCESS, EITHER TOWARDS DECREASE OF AIR POLLUTION FROM HYDROGEN SULPHIDE OR FOR THE PRODUCTION OF HYDROGEN AS A CLEAN ENERGY SOURCE HAVE BEEN STUDIED. THE EQUILIBRIUM COMPOSITION OF THE GASEOUS MIXTURE CH4/H2S/H2/CS2/S2/ C2H6/C2H4 IS CALCULATED OVER A TEMPERATURE RANGE OF 923-1123K, UNDER 0.1 MPA PRESSURE AND INITIAL MOLE FRACTION OF H2S RANGING FROM 0.1 UP TO OVER 0.9. THE H2S-CH4 CATALYTIC REACTION IN A MOS2, FIXED BED REACTOR HAS BEEN STUDIED, WITH 6.74G BED MASS, IN A TEMPERATURE RANGE OF 973-1073K, UNDER 0.1 MPA PRESSURE, AN H2S MOLE FRACTION OF 0.1-0.9 AND A TOTAL FEED FLOW RATE OF 0.5-12 NCM3/S AT THE REACTOR'S INLET. THE CATALYTIC REACTION OF H2S-CH4 OVER A PT-AL2O3 CATALYST HAS BEEN EXPERIMENTALLY STUDIED IN A TWO FIXED BEDS TUBULAR REACTOR, THE FIRST WITH A 2.70G MASS, THE SECOND WITH A 1.27G MASS IN THE TEMPERATURE RANGE OF 973-1073K, UNDER 0.1 MPA PRESSURE, AN H2S MOLE FRACTION OF 0.2-1.0 AND ATOTAL FEED FLOW OF 1.0-20 NCM3/S AT THE REACTOR'S INLET.

Topics: ALUMINA-PLATINUM, Hydrogen, HYDROGENSULPHIDE, Kinetics, Methane, Natural gas, Κινητική, Μεθάνιο, ΠΛΑΤΙΝΑ-ΑΛΟΥΜΙΝΑ, Υδρογόνο, Υδρόθειο, Φυσικό αέριο
Publisher: National Technical University of Athens (NTUA)
Year: 1995
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