Liqaa H. Najim, Gamal A. El-Hiti, Dina S. Ahmed, Alaa Mohammed, Mohammad Hayal Alotaibi, Emad Yousif
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Valsartan metal complexes as capture and reversible storage media for methane
Three valsartan metal (tin, nickel, and magnesium) complexes were examined as capture and storage media for methane under high temperature (323?K) and pressure (50?bar) conditions. The surface morphology of the complexes were examined using Field emission scanning electron microscopy and displayed porous structures comprising particles of different shapes and sizes. The narrow pore-size distribution of metal complexes makes them suitable materials for methane capture. The methane adsorption–desorption isotherms of the metal complexes were reversible. The tin(IV) and nickel(II) complexes exhibited type-III physisorption isotherms, while the magnesium(II) complex displayed a type-IV physisorption isotherm. Both types of isotherms are typical for mesoporous materials. The magnesium(II) complex was more efficient compared with the tin(IV) and nickel(II) complexes. It exhibited a remarkable methane uptake capacity of 71.68?cm3/g under optimized conditions.
期刊介绍:
Applied Petrochemical Research is a quarterly Open Access journal supported by King Abdulaziz City for Science and Technology and all the manuscripts are single-blind peer-reviewed for scientific quality and acceptance. The article-processing charge (APC) for all authors is covered by KACST. Publication of original applied research on all aspects of the petrochemical industry focusing on new and smart technologies that allow the production of value-added end products in a cost-effective way. Topics of interest include: • Review of Petrochemical Processes • Reaction Engineering • Design • Catalysis • Pilot Plant and Production Studies • Synthesis As Applied to any of the following aspects of Petrochemical Research: -Feedstock Petrochemicals: Ethylene Production, Propylene Production, Butylene Production, Aromatics Production (Benzene, Toluene, Xylene etc...), Oxygenate Production (Methanol, Ethanol, Propanol etc…), Paraffins and Waxes. -Petrochemical Refining Processes: Cracking (Steam Cracking, Hydrocracking, Fluid Catalytic Cracking), Reforming and Aromatisation, Isomerisation Processes, Dimerization and Polymerization, Aromatic Alkylation, Oxidation Processes, Hydrogenation and Dehydrogenation. -Products: Polymers and Plastics, Lubricants, Speciality and Fine Chemicals (Adhesives, Fragrances, Flavours etc...), Fibres, Pharmaceuticals.