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Zeolite-encaged Ultrasmall Pt-Zn Species with Trace Amount of Pt for Efficient Propane Dehydrogenation
P ropane dehydrogenation(PDH) has become a globe-welcoming technology to meet the massive demand for propylene, but the most commonly used Pt-based...
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Combined Deoxygenation and Isomerization of Sunflower Oil Fatty Acid Triglycerides on Pt/Al2O3-Zeolite Catalysts
AbstractThe authors study the effect of the type of zeolite (SAPO-11, ZSM-22, ZSM-23, and ZSM-12) in a support (ratio zeolite : Al 2 О 3 = 30 : 70) on...
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Co-aromatization of methane and hexane over Pt encapsulated in ZSM-5 zeolite and the electronic effect of K promoters
The co-aromatization of methane with higher hydrocarbons represents a promising route to valorize methane, an abundant but underexploited carbon...
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Precise control of Pt encapsulation in zeolite-based catalysts for a stable low-temperature CO oxidation reaction
Metal—zeolite catalysts are vital in chemical and fuel production for their great stability, stereo-selectivity, and atom economy. When metal species...
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Influence of the Binder Type on the Activity of Pt-Containing Catalysts Based on MFI Zeolite in Isomerization of the Aromatic С8 Fraction
AbstractOne of the steps in scaling the technology for the synthesis of zeolite-containing catalysts from the laboratory to commercial level is...
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Bifunctional Pt Catalysts Supported on a Zeolite-Binder Matrix for the Hydrodeoxygenation of Isoeugenol for Renewable Jet Fuel Production
Hydrodeoxygenation (HDO) of isoeugenol was carried out at 200 °C and 30 bar of H 2 in a batch reactor using a series of bifunctional catalysts...
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Germanium-enriched double-four-membered-ring units inducing zeolite-confined subnanometric Pt clusters for efficient propane dehydrogenation
It is a great challenge to regulate the precise placement of confined metal species and assemble specific structures at the atomic level. Here we...
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Effect of X zeolite-carbon composite ratio as support of Pt nanoparticles for MOR and ORR
X zeolite-carbon composites as Pt supports with different mass ratios of 3:1 (S1), 1:1 (S2), and 1:3 (S3) were synthesized by sol-gel method. The...
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Ultrasmall and Stable Pd and Pt Nanoparticles Within Zeolite HY Through Impregnated Method with Enhanced Semihydrogenation Selectivity
In this study, with zeolite HY as support, ultrasmall Pd and Pt nanoparticles were successfully immobilized into zeolite HY crystals through an...
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CO oxidation over Pt-modified fly ash zeolite X
In this study, an attempt to find a solution for environmental problems as the utilization of the waste of fly ash together with reducing of CO...
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Light Alkane Dehydroaromatization over Pt-Zn/HZSM-5 Catalyst with Ultralow Pt Loading
Minimizing Pt loading in dehydroaromatization (DHA) catalysts is critical to the cost-efficient transformation of abundant light alkanes for energy...
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Synergistic roles of platinum nanoparticles and sodium ions within beta zeolites in N-alkylation of amines with aromatic alcohols
N-alkylation of amines with alcohols is a promising green route for the synthesis of N-alkylamines, but the designation of highly active and stable...
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Selective Ring Opening of Ethylbenzene on Bifunctional Catalyst Pt–Ir over Hierarchical USY Zeolite
AbstractA bifunctional catalyst for selective ring opening (SRO) has been designed using a hierarchical zeolite as support. This material was...
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Total and preferential CO oxidation on low-loaded Pt-HZSM-5 zeolites modified using laser electrodispersion
Platinum particles of 1.7 nm size were deposited on the external surface of HZSM-5 zeolites with Si/Al = 15, 28, and 40 using laser electrodispersion...
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Physicochemical and Catalytic Properties of Bifunctional Catalysts with Different Contents of Zeolite ZSM-22 in the Hydrodeoxygenation of Sunflower Oil
AbstractThe authors study the effect of the content of zeolite ZSM-22 (15–70 wt %) in a support on the physicochemical properties of Pt/ZSM-22–Al 2 O 3 ...
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Poisoning effect of polyvinyl chloride on the catalytic pyrolysis of mixed plastics over zeolites
Nowadays, the chemical recycling is applied for only 1% of total waste plastics, largely due to contaminants in plastic waste and difficulty in...
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Influence of the Crystal Size on the Catalytic Properties of MEL and MFI Zeolites in n-Hexadecane Dewaxing
AbstractMFI and MEL zeolites with different crystal sizes and close Si/Al ratios were synthesized by hydrothermal crystallization. The crystal size...
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Pt–Zn Bimetallic Nanoclusters Encapsulated in SAPO-11 Molecular Sieve with Excellent Catalytic Performance for Levulinic Acid Hydrogenation
Well-dispersed Pt–Zn nanoclusters encapsulated in the mesopores of SAPO-11 were prepared by a one-pot synthesis method using dipropylamine to anchor...
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Remarkably enhanced activity of 4A zeolite modified Pt/reduced graphene oxide electrocatalyst towards methanol electrooxidation in alkaline medium
A novel 4A zeolite modified platinum/reduced graphene oxide (Pt/RGO-4A zeolite) electrocatalyst has been successfully synthesized by one-step...
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Dehydrocyclodimerization of n-Butane into Aromatic Hydrocarbons in the Gas-Phase and under Supercritical Conditions on a ZSM-5 Zeolite in the H-Form and Modified with Ga or Pt
A comparative study of n -butane conversion into aromatic hydrocarbons on a ZSM-5 zeolite in the H-form and modified with gallium or platinum at 530°C...
