The role of sulfur trapped in micropores in the catalytic partial oxidation of hydrogen sulfide with oxygen

M. Steijns, P. Mars

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Abstract

The catalytic oxidation of hydrogen sulfide into sulfur with molecular oxygen has been studied in the temperature range 130–200 °C. Active carbon, molecular sieve 13X and liquid sulfur were used as catalysts. Sulfur is adsorbed in the micropores (3 < r < 40 Å) of the catalysts. Experiments with a surface of liquid sulfur demonstrated that sulfur is a catalyst for H2S oxidation. This catalytic function reflects itself in the fact that H2S oxidation rate showed a maximum as a function of the amount of sulfur present in the pores of active carbon and molecular sieve 13X. The kinetics of the reaction and the activation energy are equal on catalysts of different chemical composition. The mechanism of the catalysis by sulfur is discussed as well as the function of traces of iron oxide, present in most catalysts.
Original languageUndefined
Pages (from-to)11-17
JournalJournal of catalysis
Volume35
Issue number1
DOIs
Publication statusPublished - 1974

Keywords

  • IR-68194

Cite this

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title = "The role of sulfur trapped in micropores in the catalytic partial oxidation of hydrogen sulfide with oxygen",
abstract = "The catalytic oxidation of hydrogen sulfide into sulfur with molecular oxygen has been studied in the temperature range 130–200 °C. Active carbon, molecular sieve 13X and liquid sulfur were used as catalysts. Sulfur is adsorbed in the micropores (3 < r < 40 {\AA}) of the catalysts. Experiments with a surface of liquid sulfur demonstrated that sulfur is a catalyst for H2S oxidation. This catalytic function reflects itself in the fact that H2S oxidation rate showed a maximum as a function of the amount of sulfur present in the pores of active carbon and molecular sieve 13X. The kinetics of the reaction and the activation energy are equal on catalysts of different chemical composition. The mechanism of the catalysis by sulfur is discussed as well as the function of traces of iron oxide, present in most catalysts.",
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author = "M. Steijns and P. Mars",
year = "1974",
doi = "10.1016/0021-9517(74)90177-8",
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The role of sulfur trapped in micropores in the catalytic partial oxidation of hydrogen sulfide with oxygen. / Steijns, M.; Mars, P.

In: Journal of catalysis, Vol. 35, No. 1, 1974, p. 11-17.

Research output: Contribution to journalArticleAcademic

TY - JOUR

T1 - The role of sulfur trapped in micropores in the catalytic partial oxidation of hydrogen sulfide with oxygen

AU - Steijns, M.

AU - Mars, P.

PY - 1974

Y1 - 1974

N2 - The catalytic oxidation of hydrogen sulfide into sulfur with molecular oxygen has been studied in the temperature range 130–200 °C. Active carbon, molecular sieve 13X and liquid sulfur were used as catalysts. Sulfur is adsorbed in the micropores (3 < r < 40 Å) of the catalysts. Experiments with a surface of liquid sulfur demonstrated that sulfur is a catalyst for H2S oxidation. This catalytic function reflects itself in the fact that H2S oxidation rate showed a maximum as a function of the amount of sulfur present in the pores of active carbon and molecular sieve 13X. The kinetics of the reaction and the activation energy are equal on catalysts of different chemical composition. The mechanism of the catalysis by sulfur is discussed as well as the function of traces of iron oxide, present in most catalysts.

AB - The catalytic oxidation of hydrogen sulfide into sulfur with molecular oxygen has been studied in the temperature range 130–200 °C. Active carbon, molecular sieve 13X and liquid sulfur were used as catalysts. Sulfur is adsorbed in the micropores (3 < r < 40 Å) of the catalysts. Experiments with a surface of liquid sulfur demonstrated that sulfur is a catalyst for H2S oxidation. This catalytic function reflects itself in the fact that H2S oxidation rate showed a maximum as a function of the amount of sulfur present in the pores of active carbon and molecular sieve 13X. The kinetics of the reaction and the activation energy are equal on catalysts of different chemical composition. The mechanism of the catalysis by sulfur is discussed as well as the function of traces of iron oxide, present in most catalysts.

KW - IR-68194

U2 - 10.1016/0021-9517(74)90177-8

DO - 10.1016/0021-9517(74)90177-8

M3 - Article

VL - 35

SP - 11

EP - 17

JO - Journal of catalysis

JF - Journal of catalysis

SN - 0021-9517

IS - 1

ER -