Thermal Dissociation and H2S Reactivity of Czech Limestones

Hartman, M., Trnka, O., Svoboda, K. and Vesel√Ĺ, V. Thermal Dissociation and H2S Reactivity of Czech Limestones Chemical Papers, Vol.57, No. 5, 2003, 309-316

Document type: ńĆl√°nok z ńćasopisu / Journal Article
Collection: Chemical papers  
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Author(s) Hartman, M.
Trnka, O.
Svoboda, K.
Vesel√Ĺ, V.
Title Thermal Dissociation and H2S Reactivity of Czech Limestones
Journal name Chemical Papers
Publication date 2003
Year available 2003
Volume number 57
Issue number 5
ISSN 0366-6352
Start page 309
End page 316
Place of publication Poland
Publisher Versita
Collection year 2003
Language english
Subject 290000 Engineering and Technology
290600 Chemical Engineering
Abstract/Summary A differential reactor with a fixed bed of limestone/calcine particles was employed to measure their conversion to calcium oxide/calcium sulfide as mass loss/gain. The overall rate of sulfidation was found to be affected strongly by the particle size and by the conversion of calcium oxide to calcium sulfide. The obtained experimental data indicate that strong diffusional resistances develop in the interior of particles in the course of the sulfidation. The conversions of calcines from eight different, commercially exploited limestones were explored: their ultimate values are fairly high and different. The differences cannot be related to the differences in chemical composition of the rocks. The overall genesis of the limestone rocks appears to play an important role in developing their reactivity towards H2S.
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Created: Fri, 08 Jan 2010, 10:30:52 CET by Jana Taptińćov√° . Detailed History