Browsing Research Publications and Outputs by subject "03 Chemical Sciences"
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Active sites and mechanism of the direct conversion of methane and carbon dioxide to acetic acid over the zincmodified H-ZSM-5 zeolite
Published 2019Conversion of CH4 and CO2 to higher value chemicals will contribute to alleviating green-house gas emissions and the global fossil fuel shortage. Introducing metals into zeolites is used to catalytically convert CH4 and ...Open AccessArticle -
Catalytic arene alkylation over H-Beta zeolite: Influence of zeolite shape selectivity and reactant nucleophilicity
Published 2019Renewable arenes and aromatic alcohols can be derived from lignocellulose by biorefineries, which has been considered as a sustainable alternative to replace petrochemical feedstocks in the synthesis of monobenzylation ...Open AccessArticle -
Cooperation of hierarchical pores with strong Brønsted acid sites on SAPO-34 catalysts for the glycerol dehydration to acrolein
Published 2020The hierarchical SAPO-34 zeolites have been prepared with the simultaneous generation of strong Brønsted acid sites (BASs) via a post-synthetic method, which allows the cooperation of the positive effects of both porous ...Open AccessArticle -
The cooperative effect of Lewis and Brønsted acid sites on Sn-MCM-41 catalysts for the conversion of 1,3-dihydroxyacetone to ethyl lactate
Published 2019Lactic acid and alkyl lactates are widely applied in the production of food, cosmetics, pharmaceuticals, organic synthesis and biodegradable polymers. They can be prepared via one-pot synthesis from renewable trioses, such ...Open AccessArticle -
Correlation between Acidity and Catalytic Performance of Mesoporous Zirconium Oxophosphate in Phenylglyoxal Conversion
Published 2019-01-01The one-step conversion of α-keto aldehydes to α-hydroxy carboxylic acids and their derivatives using solid acids is of great appeal in biomass utilization. In this work, ordered mesoporous zirconium oxophosphate (ZrPO) ...Open AccessArticle -
Enhancing hydrogen production from the pyrolysis-gasification of biomass by size-confined Ni catalysts on acidic MCM-41 supports
Published 2018Hydrogen, currently produced from the reforming of fossil fuel resources, is a significant source for clean energy and the chemical industry. It is promising to develop a high-efficiency hydrogen production process from ...Open AccessArticle -
High population and dispersion of pentacoordinated AlV species on the surface of flame-made amorphous silicaalumina
Published 2019Pentacoordinated Al (AlV) species in silica-alumina are promising to promote the formation of acid sites or act as surface defects for tailoring single-atom catalysts. However, pentahedral coordination (AlV) is rarely ...Open AccessArticle -
Hydrogenation of Acetophenone on Pd/Silica−Alumina Catalysts with Tunable Acidity: Mechanistic Insight by In Situ ATR-IR Spectroscopy
Published 2018Understanding the cooperative action of metal and acid sites of bifunctional catalysts is essential for developing more efficient catalysts for greener chemical processes. We used in situ ATR-IR spectroscopy in tandem with ...Open AccessArticle -
Production and application of carbon nanotubes, as a co-product of hydrogen from the pyrolysis-catalytic reforming of waste plastic
Published 2016Hydrogen production from waste plastics is an important alternative for managing waste plastics. This work addresses a promising technology for co-producing high value carbon nanotubes (CNTs) in addition to the production ...Open AccessArticle -
Shedding light on the atomic-scale structure of amorphous silica–alumina and its Brønsted acid sites
Published 2019-01-01In spite of the widespread applications of amorphous silica–aluminas (ASAs) in many important industrial chemical processes, their high-resolution structures have remained largely elusive. Specifically, the lack of long-range ...Open AccessArticle -
Strongly enhanced acidity and activity ofamorphous silica-aluminaby formation of pentacoordinatedAlVspecies
Published 2019Tailoring high-performance aluminosilicates plays a key role in the efficient and clean production of high-value chemicals. Recent work reveals that pentacoordinated Al (AlV) species can significantly enhance the Brønsted ...Open AccessArticle -
Tailoring High-Performance Pd Catalysts for Chemoselective Hydrogenation Reactions via Optimizing the Parameters of the Double-Flame Spray Pyrolysis
Published 2016Tuning the chemical composition during the synthesis is a widely used method to control the activity of catalysts. Here, we reported an alternative synthesis strategy to tune the catalytic properties of nanocatalysts without ...Open AccessArticle -
Tuning Hierarchical ZSM-5 Zeolite for Both Gas- and Liquid-Phase Biorefining
Published 2020A hierarchical ZSM-5 zeolite with an adjustable mesoporous size is required for many chemical processes including the biorefining of big biomass compounds. In this research, a simple and high-efficiency hard template method ...Open AccessArticle -
Tuning Hydrocarbon Pool Intermediates by the Acidity of SAPO-34 Catalysts for Improving Methanol-to-Olefins Reaction
Published 2018Methanol-to-olefins (MTO) has received great attention, in which abundant renewable resources of biomass and biogas can be utilized as promising alternatives to crude oil in the production of light olefins. SAPO-34 is one ...Open AccessArticle -
Unravelling the effects of layered supports on Ru nanoparticles for enhancing N2 reduction in photocatalytic ammonia synthesis
Published 2019Harnessing the vast supply of solar energy as the driving force to produce ammonia from abundant nitrogen gas and water is beneficial for both relieving energy demands and developing sustainable chemical industry. Bulk ...Open AccessArticle