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A Radioisotope Flow-Circulation Tracer Method for Determination of Sulfur Uptake and Exchange (2000)

Koltai, Tamás ; Massoth, Frank E. ; Tétényi, Pál

Springer

Reaction kinetics and catalysis letters 71 (2000), S. 85-92

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ISSN: 1588-2837

Keywords: 35S, S-uptake ; S-exchange ; CoMo/Al2O3

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract A combined radioactive flow-circulation tracer method has been developed and applied to a CoMo/Al2O3 catalyst for measurement of sulfur uptakes and of catalyst - gas phase sulfur exchange in the H2S partial pressure range of 2–47 kPa and the temperature range of 373–673 K. Equilibrium between gas-phase and catalyst sulfur species was rapidly achieved. A substantial part of the sulfur uptake was retained as adsorbed (reversible) sulfur species. The exchange of sulfur increased with increase in temperature up to 573 K and in H2S partial pressure up to 4 kPa.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1010386200144

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