Pt-promoted and Hβ zeolite-supported Ni2P catalysts for hydroisomerisation of n-heptane

Yao, Yue; Tian, Yajie; Wu, Hong-Huang; Lu, Shengyong

doi:10.1016/j.fuproc.2015.01.033

Cited by 26 publications

(9 citation statements)

References 31 publications

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“…However, compared with OMSMS-700, the intensity of the diffraction peaks of Pt/OMSMS-700 marginally decreased, which is due to the presence of the Pt nanoparticles. No diffraction peaks corresponding to Pt were detected, indicating good dispersion of the Pt nanoparticles, which is consistent with the results obtained from the TEM analysis.…”

Section: Resultssupporting

confidence: 90%

Decarboxylation of Oleic Acid over Ordered Mesoporous Pt/SAPO-11

Liu

2019

Energy Fuels

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Ordered mesoporous SAPO-11 molecular sieves (OMSMS) with a single mesoporous structure were prepared via a one-step hydrothermal method. Metal–acid bifunctional Pt/SAPO-11 (Pt/OMSMS-700) catalysts with Pt loadings of 1% and 2% were synthesized by a deposition–precipitation method using OMSMS-700 as a carrier. The OMSMS and Pt/OMSMS-700 were characterized using transmission electron microscopy (TEM), scanning electron microscopy (SEM), Brunauer–Emmett–Teller (N2 -BET) analysis, and X-ray powder diffraction (XRD). TEM and small-angle XRD results revealed that the degree of order in the OMSMS increased as the calcination temperature increased from 500 to 700 °C. The N2 -BET analysis revealed that the OMSMS had a mesoporous structure with an average pore diameter of 6.4–7.8 nm and a BET surface area of 149–171 m2/g. The sizes of the Pt nanoparticles supported on OMSMS-700 were in the range of 3 to 6 nm and displayed good dispersibility. The catalytic performance of Pt/OMSMS-700 during the decarboxylation of oleic acid to form C8–C17 alkanes under a CO2 atmosphere was investigated. As the reaction temperature increased from 320 to 360 °C, the total yield of C8–C17 alkanes initially increased and then decreased. Increasing the Pt loading led to an increased yield of C8–C17 alkanes. The total yield of C8–C17 alkanes reached 78% when 2 wt % Pt/OMSMS-700 was used at 340 °C for 3 h.

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Section: Resultssupporting

confidence: 90%

Decarboxylation of Oleic Acid over Ordered Mesoporous Pt/SAPO-11

Liu

2019

Energy Fuels

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“…In the previous study of Pt modification on beta zeolite for promoting catalytic efficiency, the Pt loading was less than 1.0 wt% [ 17 , 18 , 19 , 20 , 21 ]. However, without Mg(OH) 2 loading, the induction of Pt inhibits the production of 1,2-PDO in the designed catalysis system.…”

Section: Resultsmentioning

confidence: 99%

Glucose Hydrogenolysis into 1,2-Propanediol Using a Pt/deAl@Mg(OH)2 Catalyst: Expanding the Application of a Core–Shell Structured Catalyst

Wang

Jiang

et al. 2022

Nanomaterials

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To substitute fossil resources, it is necessary to investigate the conversion of biomass into 1,2-propanediol (1,2-PDO) as a high-value-added chemical. The Pt/deAl-Beta@Mg(OH)2 catalytic system is designed to obtain a higher 1,2-PDO production yield. The optimal yield of 1,2-PDO is 34.1%. The unique shell-core structure of the catalyst demonstrates stability, with a catalytic yield of over 30% after three times of use. The primary process path from glucose to 1,2-PDO, glucose-hexitol-1,2-PDO, is speculated by the experiments of intermediate product selectivity. The alkaline catalytic mechanism of the reaction process is elucidated by studying catalyst characterization and analyzing different time courses of products. The introduction of Mg(OH)2 improves the target yield by promoting the isomerization from glucose to fructose and retro-aldol condensation (RAC) conversion, with pseudo-yield increases of 76.1% and 42.1%, respectively. By studying the processes of producing lactic acid and 1,2-PDO from glucose, the glucose hydrogenolysis flow chart is improved, which is of great significance for accurately controlling 1,2-PDO production in industrial applications. The metal, acid, and alkali synergistic catalytic system constructed in this paper can provide a theoretical basis and route reference for applying biomass conversion technology in practice.

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“…Later publications investigated the doping of Ni 2 P with noble metals such as Ir, Rh, Ru, and Pt on SiO 2 [7,38] or Zeolites [39]. The groups applied the method of the incipient wetness, preparing first a solution with the two metals and the phosphorus precursor and impregnating it on the support material, followed by a drying, calcination, and reduction step.…”

Section: Synthetic Pathways To Supported Platinum Group Metal Phosphidesmentioning

confidence: 99%

Platinum Group Metal Phosphides as Efficient Catalysts in Hydroprocessing and Syngas-Related Catalysis

Rupflin

Boscagli²,

Schunk³

2018

Catalysts

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Platinum group metal phosphides are reviewed as catalytic materials for hydroprocessing and syngas-related catalysis. Starting from synthetic procedures leading to highly disperse nano-particular compounds, their properties in the applications are discussed and compared with relevant benchmarks, if available. Regarding their mode of action, two confronting mechanistic scenarios are presented: (i) a cooperative scenario in which catalytic sites of different functionalities are active in hydroprocessing and (ii) single site catalysis, which appears to be the relevant mode of action in syngas-related catalysis and which occurs over "frustrated" active sites.

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Pt-promoted and Hβ zeolite-supported Ni2P catalysts for hydroisomerisation of n-heptane

Cited by 26 publications

References 31 publications

Decarboxylation of Oleic Acid over Ordered Mesoporous Pt/SAPO-11

Decarboxylation of Oleic Acid over Ordered Mesoporous Pt/SAPO-11

Glucose Hydrogenolysis into 1,2-Propanediol Using a Pt/deAl@Mg(OH)2 Catalyst: Expanding the Application of a Core–Shell Structured Catalyst

Platinum Group Metal Phosphides as Efficient Catalysts in Hydroprocessing and Syngas-Related Catalysis

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