2010
DOI: 10.1016/j.solidstatesciences.2009.08.009
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Vanadium oxide-porous phosphate heterostructure catalysts for the selective oxidation of H2S to sulphur

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Cited by 28 publications
(17 citation statements)
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“…From all of these, V-containing catalysts and, especially supported vanadium oxide catalysts, seem to be one of the most active and selective materials [4][5][6][7][8][9][10][11][12][13][14].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…From all of these, V-containing catalysts and, especially supported vanadium oxide catalysts, seem to be one of the most active and selective materials [4][5][6][7][8][9][10][11][12][13][14].…”
Section: Introductionmentioning
confidence: 99%
“…Recently, it has been reported that supported vanadia catalysts presenting V 2 O 5 crystalline phase could be interesting because they can operate at relatively low temperature (about 200°C) without apparent catalyst decay [12][13][14]. In these cases, it has been observed that V 2 O 5 crystalllites are selectively transformed into V 4 O 9 crystals during the partial oxidation of H 2 S to sulfur, which is active, selective and stable at reaction temperatures lower than 220°C [13,14].…”
Section: Introductionmentioning
confidence: 99%
“…The selectivity to SO 2 decreases gradually, becoming almost zero after 2 h of reaction time for all V/Zr-PILC catalysts. It was reported [38,53] that some amount of SO 2 was observed (with selectivity to SO 2 lower than 3%) in the first minutes of the reaction using vanadium oxide-porous phosphate heterostructure catalysts at 200 8C. However, in that case a selectivity to sulfur of ca.…”
Section: Samplesmentioning
confidence: 92%
“…Instead, pore volume decreases in the latter, probably due to the main location of the small particles present in this material in smaller pores, mainly in the inner part of the silica galleries. The greater mean pore diameter of the catalysts compared to the bare support could be due to the formation of additional pores by interaction of nanoparticles of bigger size that cannot enter into the channels and are located outside between the packets' layers (see Picture 1 and Figure 5) [32]. This effect is more important for PtMo/PPH catalyst where the presence of larger particles is higher.…”
Section: Catalyst Characterizationmentioning
confidence: 99%