Influence of Pluronic® P123 Addition in the Synthesis of Bulk Ni Promoted MoS2 Catalyst. Application to the Selective Hydrodesulfurization of Sulfur Model Molecules Representative of FCC Gasoline
Abstract
:1. Introduction
2. Results and Discussion
2.1. Catalysts Characterizations
2.2. Catalytic Performances in the Transformation of Model Molecules Representative of FCC Gasoline
3. Materials and Methods
3.1. Catalyst Preparation
3.2. NiMoS Characterizations
3.3. Catalytic Performances
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Sample | SBET (m2·g) | C* | H* | S* | Ni** | Mo** | Ni/Mo** |
---|---|---|---|---|---|---|---|
NiMoS a | 0.6 | 0.1 | 34.8 | ||||
NiMoS b | 31 | 0.6 | 0.1 | 34.6 | 17.6 | 34.6 | 0.5 |
NiMoS-P123 a | 26.9 | 5.1 | 21.5 | ||||
NiMoS-P123 b | 126 | 9.4 | 1.1 | 30.9 | 12.9 | 27.6 | 0.5 |
Mo Fraction (rel.%) | Ni Fraction (rel.%) | ||||||||
---|---|---|---|---|---|---|---|---|---|
Catalyst | S/Mo | Ni/(Ni+Mo) | Mo5+ | Mo6+ | MoS2 | NiMoS | NiS | Niox | (Ni/Mo)slab* |
NiMoS | 2.5 | 0.37 | 9 | 5 | 86 | 48 | 35 | 17 | 0.56 |
NiMoS-P123 | 2.3 | 0.28 | 11 | 5 | 84 | 38 | 21 | 41 | 0.45 |
XRD | TEM | ||||||
---|---|---|---|---|---|---|---|
Catalyst | S a (nm) | St b | St b | L c (nm) | Lmin (nm) | Lmax (nm) | (fe/fc)Mo |
NiMoS | 3 | 6 | 4.8 | 3.8 | 2.2 | 9.3 | 4.4 |
NiMoS-P123 | - | - | 2.7 | 3.3 | 1.1 | 10.2 | 3.7 |
3MT | BT | |||||
---|---|---|---|---|---|---|
mmol·gcata−1 ·h−1 | 10−2 mmol ·m²·h−1 | 10−21 mmol·atMo−1·h−1 | mmol·gcata−1·h−1 | 10−2 mmol·m²·h−1 | 10−21 mmol·atMo−1·h−1 | |
NiMoS | 2.2 | 7.1 | 1.2 | 4.2 | 13.6 | 2.2 |
NiMoS-P123 | 3.1 | 2.5 | 2.2 | 3.7 | 2.9 | 2.6 |
Catalyst | iC5 % | 3MB1N % | 2MB1N % | 2MB2N % | iC5/=C5 % | ||
---|---|---|---|---|---|---|---|
NiMoS | 11.7 | 8.4 | 18.4 | 61.5 | 0.13 | ||
NiMoS-P123 | 13.2 | 5.7 | 18.2 | 62.9 | 0.15 |
Catalyst | DHBT % | EB % |
---|---|---|
NiMoS | 3.9 | 96.1 |
NiMoS-P123 | 6.8 | 93.2 |
Pressure (kPa) | Sulfidation | 3MT | BT |
---|---|---|---|
PH2S | 10 | 0 | 0 |
P3MT | 0 | 200 | 0 |
PBT | 0 | 0 | 200 |
PH2 | 90 | 1360 | 1360 |
PnC7 | 0 | 637 | 637 |
PTOT | 100 | 2000 | 2000 |
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Hetier, V.; Pena, D.; Carvalho, A.; Courthéoux, L.; Flaud, V.; Girard, E.; Uzio, D.; Brunet, S.; Lacroix-Desmazes, P.; Pradel, A. Influence of Pluronic® P123 Addition in the Synthesis of Bulk Ni Promoted MoS2 Catalyst. Application to the Selective Hydrodesulfurization of Sulfur Model Molecules Representative of FCC Gasoline. Catalysts 2019, 9, 793. https://doi.org/10.3390/catal9100793
Hetier V, Pena D, Carvalho A, Courthéoux L, Flaud V, Girard E, Uzio D, Brunet S, Lacroix-Desmazes P, Pradel A. Influence of Pluronic® P123 Addition in the Synthesis of Bulk Ni Promoted MoS2 Catalyst. Application to the Selective Hydrodesulfurization of Sulfur Model Molecules Representative of FCC Gasoline. Catalysts. 2019; 9(10):793. https://doi.org/10.3390/catal9100793
Chicago/Turabian StyleHetier, Valentin, Diego Pena, Alexandre Carvalho, Laurence Courthéoux, Valérie Flaud, Etienne Girard, Denis Uzio, Sylvette Brunet, Patrick Lacroix-Desmazes, and Annie Pradel. 2019. "Influence of Pluronic® P123 Addition in the Synthesis of Bulk Ni Promoted MoS2 Catalyst. Application to the Selective Hydrodesulfurization of Sulfur Model Molecules Representative of FCC Gasoline" Catalysts 9, no. 10: 793. https://doi.org/10.3390/catal9100793