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Mechanochemical Synthesis of Multicomponent Bismuth-Based Molybdate Catalysts for Propylene Ammoxidation to Produce Acrylonitrile
Activities and structures of metal oxide catalysts significantly rely on the synthesis procedures and conditions. In this study, a novel solvent-free...
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Catalytic performances of VPO/SBA-15 catalysts for ammoxidation of dichlorotoluenes
Vanadium phosphorus oxide (VPO) was immobilized on SBA-15 via a facile impregnation process. The structure and VPO species on SBA-15 were...
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Hydrothermal Synthesis of Monoclinic CrVO4 Nanoparticles and Catalytic Ammoxidation of 2-chlorotoluene
Vanadium-chromium composite oxides have held much interest due to their distinctive catalytic properties, which depend on their morphology and...
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Effect of metal oxide contents on the structure and performance of spray-dried CrVO4/SiO2 catalysts for the ammoxidation of chlorotoluenes
This work aims at develo** a customized ammoxidation catalyst through optimizing the metal oxide content in CrVO 4 /SiO 2 catalysts. Various amounts...
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A novel approach to synthesize dichlorobenzonitriles by selective ammoxidation
Dichlorobenzonitriles are important organic intermediates for the production of many fine chemicals and are produced most economically and...
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Spray dried VCrO/SiO2 micro-spheroidal catalyst for the ammoxidation of p-chlorotoluene
Formulation and sha** of heterogeneous catalysts are vital in the successful industrial application. Here micro-sized vanadium chromium composite...
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Solvothermal synthesis of micro-cuboid MoV2O8 for vapor-phase ammoxidation of p-chlorotoluene
MoV 2 O 8 micro-cuboids were environment-friendly prepared via a facile one-step solvothermal route followed by thermal treatment with vanadium...
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Direct ammoxidation of glycerol to nitriles using Mo/alumina catalysts
Redox phase unpromoted molybdenum catalysts with different Mo loadings (2.5% Mo/γ-Al 2 O 3 ; 5.0% Mo/γ-Al 2 O 3 ; 7.5% Mo/γ-Al 2 O 3 and 10.0% Mo/γ-Al 2 O 3 ) were...
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Thermally stable imidazole/heteropoly acid composite as a heterogeneous catalyst for m-xylene ammoxidation
Ammoxidation of m -xylene is evaluated in the presence of a customized heteropoly acid catalyst as an imidazole/molybdovanadophosphoric acid...
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Modeling and optimization of thermally coupled reactors of naphtha reforming and propane ammoxidation with different feed distributions
In this paper, the thermal coupling of naphtha reforming with propane ammoxidation was simulated using a one-dimensional homogenous model for two...
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Enhanced Catalytic Performance Via Optimized Structural Properties for Dichlorotoluene Ammoxidation
AbstractA series of VO 2 (B) nanostructures with different morphologies including nanobelts, urchins, and carambolas were hydrothermally synthesized...
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Synthesis and Сharacterization of V–Al–O Nanobelts and Their Catalytic Performance
AbstractFlower-like V–Al–O nanobelts have been successfully prepared by a one-pot hydrothermal approach. The nanomaterial was characterized by X-ray...
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Simultaneous production of hydrogen and acrylonitrile in a new bifunctional micro-reactor, mathematical modeling and optimization study
In the last decade, there have been numerous investigations toward enhancing the efficiency of hydrogen production methods, as well as improving...
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Sustainable Production of Nitriles from Biomass
Biomass is a low cost, environmentally friendly, carbon-neutral, renewable resource that is widely distributed over the earth in diverse forms....
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Selective oxidation of alcohols to nitriles with high-efficient Co-[Bmim]Br/C catalyst system
An efficient method for catalyzing the ammoxidation of aromatic alcohols to aromatic nitriles was developed, in which a new heterogeneous catalyst...
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Combined Operando XANES and NMR and ESR Spectroscopies for the Determination of VPO Dynamic States
Nanoscaled-VPO (vanadium phosphate oxide) catalysts have been prepared on an alumina support with the objective of obtaining crystallites of the...
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Physicochemical and catalytic properties of over- and low-exchanged Mo‒ZSM-5 ammoxidation catalysts
A series of Mo/ZSM-5 catalysts prepared by solid-state ion exchange at different Mo/Al molar ratios were characterized and tested in ethane and...
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Conceptual process and surrogate optimization of acrylonitrile production from glycerol via green propylene
Acrylonitrile is a commodity currently produced from petrochemical propylene, with significant economic importance. The development of a sustainable...
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A Versatile VMPO Catalyst Prepared In Situ for Oxidative Ammonolysis of Isomeric Picolines and Xylenes
AbstractThe V 2 O 5 –MoO 3 –P 2 O 5 (VMPO) catalyst has been prepared in situ by thermal decomposition of vanado-molybdophosphoric acid (PMoV) on TiO 2 ...
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Direct oxidation of 3-picoline (3-methyl-pyridine) to nicotinic acid with pure HNO3
Nicotinic acid (NA) was synthesized by directly oxidizing 3-methylpyridine (3MP) with nitric acid. The reaction was performed in an instrumented PARR...
