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Statements

Subject Item
n2:RIV%2F67985858%3A_____%2F02%3A27020043%21RIV%2F2003%2FAV0%2FA27003%2FN
rdf:type
n13:Vysledek skos:Concept
dcterms:description
The sulfidation rates of different limestone calcines were measured as weight gain in a differential, fixed-bed flow-through reactor at ambient pressure and high temperatures of up to 800 C. The increase in volume of the solid phase in the course of the reaction was explored by experiment and described by means of a simple structural model. The reacted solids remain fairly porous (~20%) even when they are practically converted into CaS. On petrographic examination, eight specimens of commercially exploited limestones were tested to determine their capacity to react with H2S. The calcines prepared from very fine-grained carbonate rocks were found as the most efficient sorbents. Having amassed time-resolved conversion data on CaO sulfidation, we developed a simple correlation. It allows the estimation of the reaction rate as a function of temperature, concentration of hydrogen sulfide in the gas phase, and conversion of the solids. The proposed kinetic equation can readily be employed in modeling and si The sulfidation rates of different limestone calcines were measured as weight gain in a differential, fixed-bed flow-through reactor at ambient pressure and high temperatures of up to 800 C. The increase in volume of the solid phase in the course of the reaction was explored by experiment and described by means of a simple structural model. The reacted solids remain fairly porous (~20%) even when they are practically converted into CaS. On petrographic examination, eight specimens of commercially exploited limestones were tested to determine their capacity to react with H2S. The calcines prepared from very fine-grained carbonate rocks were found as the most efficient sorbents. Having amassed time-resolved conversion data on CaO sulfidation, we developed a simple correlation. It allows the estimation of the reaction rate as a function of temperature, concentration of hydrogen sulfide in the gas phase, and conversion of the solids. The proposed kinetic equation can readily be employed in modeling and si
dcterms:title
Reaction between Hydrogen Sulfide and Limestone Calcines. Reaction between Hydrogen Sulfide and Limestone Calcines.
skos:prefLabel
Reaction between Hydrogen Sulfide and Limestone Calcines. Reaction between Hydrogen Sulfide and Limestone Calcines.
skos:notation
RIV/67985858:_____/02:27020043!RIV/2003/AV0/A27003/N
n3:strany
2392;2398
n3:aktivita
n8:Z n8:P
n3:aktivity
P(IAA4072711), P(IAA4072801), Z(AV0Z4072921)
n3:cisloPeriodika
10
n3:dodaniDat
n9:2003
n3:domaciTvurceVysledku
n12:2423251 n12:1620800 n12:2553473 n12:3190862
n3:druhVysledku
n18:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
661531
n3:idVysledku
RIV/67985858:_____/02:27020043
n3:jazykVysledku
n15:eng
n3:klicovaSlova
hydrogen sulfide; limestone calcines; desulfurization
n3:klicoveSlovo
n14:hydrogen%20sulfide n14:limestone%20calcines n14:desulfurization
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[2204089C0F3E]
n3:nazevZdroje
Industrial & Engineering Chemistry Research
n3:obor
n17:CI
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:projekt
n16:IAA4072711 n16:IAA4072801
n3:rokUplatneniVysledku
n9:2002
n3:svazekPeriodika
41
n3:tvurceVysledku
Hartman, Miloslav Svoboda, Karel Trnka, Otakar Čermák, Jiří
n3:zamer
n11:AV0Z4072921
s:issn
0888-5885
s:numberOfPages
7