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Selectivity engineering in catalysis by ruthenium nanoparticles supported on heteropolyacid-encapsulated MOF-5: one-pot synthesis of allyl 4-cyclohexanebutyrate and kinetic modeling
Functionalized metal-organic framework containing a heteropolyacid such as dodecatungstophosphoric (DTP)-encapsulated MOF-5 was synthesized by an in...
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Preparation of Ti-heteropolyacid/TiO2 and its rapid photocatalytic degradation of X-3B
The Ti-heteropolyacid H 4 [Ti(H 2 O)TiW 11 O 39 ]·7H 2 O (TiW 11 Ti) loading TiO 2 with different contents was prepared using dip** method. The TiW 11 Ti/TiO 2 ...
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Titania-heteropolyacid composites (TiO2-HPA) as catalyst for the green oxidation of trimethylphenol to 2,3,5-trimethyl-p-benzoquinone
New catalysts containing phosphomolybdic acid (PMA) and vanadophosphomolybdic acid (VPMA) in a titania matrix were synthesized by the sol–gel process...
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Synthesis of Ba(Zr,Ti)2O5 particles using Zr/Ti-HPA with complexing of Ti-IPA and Zr using ZrOCl2
For this study, Zr-substituted BaTi 2 O 5 particles were synthesized using an aqueous solution method with peroxidized polytitanic acid as the starting...
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Comprehensive recovery of W, V, and Ti from spent selective reduction catalysts
In this study, spent WO 3 /V 2 O 5 -TiO 2 catalysts used for selective catalytic reduction were treated by a hydrometallurgical process to comprehensively...
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Capacitors and catalyst supports based on pyrolytic carbon deposited on metals/metal oxides derived from hydrotalcite-like materials
The formation of carbon deposits by the pyrolysis of acetonitrile at 600 and 700 °C with the assistance of metals/metal oxides generated in situ from...
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Differential Pulse Voltammetric Determination of Sildenafil Using Nano-Iron Oxides Modified Electrode
Ferromagnetic nanoparticles (FeNPs) have been successfully prepared by using solvothermal reduction method with polyethylene glycol as a solvent. The...
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Heteropolyacids supported on hierarchically macro/mesoporous TiO2: efficient catalyst for deep oxidative desulfurization of fuel
The fabrication of polyoxometalates (POMs)-modified TiO 2 catalysts with connected pore structure has attracted great interests due to its prominent...
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Heteropolyacid (H3PW12O40)-impregnated mesoporous KIT-6 catalyst for green synthesis of bio-diesel using transesterification of non-edible neem oil
Mesoporous Ia3d cubic structured KIT-6 support was prepared by hydrothermal strategy and heteropoly acid content (10, 20 and 30%) was stacked on...
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Application of hierarchically porous metal-organic frameworks in heterogeneous catalysis: A review
Hierarchically porous metal-organic frameworks (H-MOFs) with micro-, meso- and macropores have emerged as a popular class of crystalline porous...
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Silica Nanoparticles: Morphology and Applications
Morphology-controlled nanomaterials have been leading groundbreaking technological discoveries. The biocompatibility of silica nanoparticles presents...
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Case Studies: Time-Resolved Electron Paramagnetic Resonance (EPR)
Electron paramagnetic resonance (EPR) can be collected both under ex situ, in situ, and operando conditions on solid catalyst materials exposed to...
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Infrared (IR) Spectroscopy
The application of infrared (IR) spectroscopic methods in the field of heterogeneous catalysis research and development, mainly based on the original...
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Membrane-Based Technologies for Industrial Wastewater Treatment
Industrial wastewater is a global environmental concern. Various organic pollutants, chemicals, and heavy metals are found at extreme concentrations...
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Synthesis, structural, and optoelectronic properties of a new series of polyoxometalate salts: effect of cesium content
A novel series of cesium-modified POM (Cs-POMs) compounds (Cs x H 4− x PW 11 VO 40 , x = 0.5, 1.5, 2.5, 3.5 and 4) was synthesized by self-assembly method....
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Rapid detection of tyrosinase in shrimp by polyacid-based electrochemical sensors
The increase through tyrosinase levels after shrimp death causes enzymatic browning, affecting the appearance and freshness of products, and it is...
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The use of sol–gel processes in the development of supported catalysts
The use of sol–gel processes is discussed in the development of silica-supported/encapsulated catalysts applied for dry methane reforming (DRM),...
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Heating influence on atomic site structural changes of Mesoporous Au supported Anatase nanocomposite for photocatalytic progression
Semiconductor nano photocatalysis has considered a promising methodology for polluted water remediation. The electrons and holes’ high recombination...
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Highly coordinated Pd overlayers on nanoporous gold for efficient formic acid electro-oxidation
Design and fabrication of highly efficient and stable electrocatalysts remain key challenges in green energy technologies such as low-temperature...
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Adsorption of dye from aqueous solution using Sr-doped lanthanum, calcium and barium manganites
Industrial effluents containing dyes are a serious threat to the ecosystems and the removal of these dyes is most often conducted by adsorption. In...
