Valsartan metal complexes as capture and reversible storage media for methane

IF 0.125 Applied Petrochemical Research Pub Date : 2020-06-06 DOI:10.1007/s13203-020-00247-7

Liqaa H. Najim, Gamal A. El-Hiti, Dina S. Ahmed, Alaa Mohammed, Mohammad Hayal Alotaibi, Emad Yousif

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引用次数: 5

Abstract

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.

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缬沙坦金属配合物作为甲烷捕获和可逆储存介质

研究了三种缬沙坦金属(锡、镍和镁)配合物在高温(323 K)和高压(50 bar)条件下作为甲烷的捕获和储存介质。利用场发射扫描电子显微镜对配合物的表面形貌进行了检测，显示出由不同形状和大小的颗粒组成的多孔结构。金属配合物的窄孔径分布使其成为捕获甲烷的合适材料。金属配合物的甲烷吸附-解吸等温线是可逆的。锡(IV)和镍(II)配合物表现为iii型物理吸附等温线，镁(II)配合物表现为IV型物理吸附等温线。这两种类型的等温线是典型的介孔材料。与锡(IV)和镍(II)配合物相比，镁(II)配合物效率更高。其甲烷吸收能力为71.68?Cm3 /g。

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来源期刊

Applied Petrochemical Research ENGINEERING, CHEMICAL-

自引率

0.00%

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审稿时长

13 weeks

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.