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Xylene - OSTI GOV

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Last Updated: 18 July 2022

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Efficient separation of xylene isomers by using a robust calcium-based metal–organic framework through a synergetic thermodynamically and kinetically controlled mechanism

Here we chronicle the construction of a new calcium-based metal-u2013organic framework, Ca 3 2 being designed as a Ca 3 2 with microporosity and high stability. Simulations and computational molecular simulations showed the hostu2013guest interactions were investigated specifically by single-crystal X-ray diffraction analysis and adsorption affinity was determined by computational molecular simulations.

Source link: https://www.osti.gov/biblio/1863572


Role of Silica Support in Phosphoric Acid Catalyzed Production of p -Xylene from 2,5-Dimethylfuran and Ethylene

Specifically, phosphoric acid catalysis was investigated in three scenarios: phosphoric acid was first added in the liquid reaction mixture in the absence of any solid support, phosphoric acid was introduced in the liquid reaction mixture alongside inert silica aid, siliceous zeolite, and phosphoric acid were first added in the liquid reaction mixture, and then the preassembled supported phosphoric acid catalyst was added in the liquid reaction mixture; finally, phosphoric acid was introduced in the preassembled In the above scenarios, we discovered that the reaction rate and selectivity to p-xylene are different, demonstrating the effect of the solid support on the catalytic performance of phosphoric acid. A low amount of phosphoric acid in the absence of any solid support led to high selectivity to p-xylene, which diminished with increasing acid content.

Source link: https://www.osti.gov/biblio/1865837


Inhibition of Xylene Isomerization in the Production of Renewable Aromatic Chemicals from Biomass-Derived Furans

H-Y and H-BEA zeolites were investigated in the presence of p-xylene isomerization in the presence of H-Y and H-BEA zeolites, according to ethylene production from 2,5-dimethylfuran and ethylene. DMF and p-xylene's H-Y and H-BEA characteristics were determined by thermogravimetric testing, which was in accordance with adsorption energetics of particular chemical species and dimeric complexes determined by an ONIOM method.

Source link: https://www.osti.gov/biblio/1865830

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions