Zeolites are crystalline, silica-based materials with a unique structure of interconnected tetrahedral units that creates a lattice of pores and channels throughout the crystal.lay zeolite This pore and channel structure is the basis for the adsorption, catalytic, and other properties of zeolites.
23
2024/9
A key reaction in petrochemical processes is the isomerization of light hydrocarbons into high-octane naphtha feedstock for gasoline and other products.isomerization catalyst During this process the isomerization reaction takes place in the presence of an isomerization catalyst to select the desired enantiomers.
23
2024/9
Molecular sieves are natural and synthetic crystalline aluminosilicates with high adsorption selectivity for gases.zeolite molecular sieve They have a tunnel-like pore structure that has dimensions close to the critical diameters of small molecules and large molecular weight hydrocarbons.
23
2024/9
Hydrogen is used for a wide variety of industrial applications including chemical synthesis by steam reforming (SMR), in fuel cells, and in petroleum refining as a substitute for heavy fossil fuels.
23
2024/9
Volatile organic compounds (VOCs) are air pollutants that contribute to ozone sphere damage and threaten human health after high-concentration exposure.vocs adsorb Adsorption is an effective environmental remediation technique that can effectively remove VOCs from the environment.
The zeolite mcm-22 is used as an alternative to alumina in the preparation of many catalysts for petroleum and chemical production.zeolite mcm-22 The mcm-22 zeolite has a unique structure that is characterized by its large size, high specific surface area and low porosity.
20
2024/9
Cu/ZnO-based catalysts are widely used for industrial methanol synthesis via CO2 hydrogenation.cuo/zno/al2o3 catalyst A good Cu/ZnO-based methanol catalytic system can not only enhance the methanol yield but also increase the CO2 conversion and slow the deactivation of the catalyst due to carbon formation.
20
2024/9
Cu-ZnO-ZrO2 solid solution catalysts have shown very high activity for methanol synthesis in industrial reactors.cuznal methanol catalyst These catalysts have a very low activation energy, which allows the conversion of a significant proportion of CO2 to CH3OH.
20
2024/9
Zeolite beta is an excellent molecular sieve material that possesses the ability to selectively sort molecules and ions based primarily on size exclusion processes. This property is attributed to its well-defined and regular pore structure of molecular dimensions.
