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A Facile Green Synthetic Route for the Preparation of Highly Active ?-Al2O3 from Aluminum Foil Waste.


ABSTRACT: A novel green preparation route to prepare nano-mesoporous ?-Al2O3 from AlCl3.6H2O derived from aluminum foil waste and designated as ACFL550 is demonstrated, which showed higher surface area, larger pore volume, stronger acidity and higher surface area compared to ?-Al2O3 that is produced from the commercial AlCl3 precursor, AC550. The produced crystalline AlCl3.6H2O and Al(NO3)3.9H2O in the first stage of the preparation method were characterized by single-crystal XRD, giving two crystal structures, a trigonal (R-3c) and monoclinic (P21/c) structure, respectively. EDX analysis showed that ACFL550 had half the chlorine content (Cl%) relative to AC550, which makes ACFL550 a promising catalyst in acid-catalysed reactions. Pure and modified ACFL550 and AC550 were applied in acid-catalysed reactions, the dehydration of methanol to dimethyl ether and the total methane oxidation reactions, respectively. It was found that ACFL550 showed higher catalytic activity than AC550. This work opens doors for the preparation of highly active and well-structured nano-mesoporous alumina catalysts/supports from aluminum foil waste and demonstrates its application in acid-catalysed reactions.

SUBMITTER: Osman AI 

PROVIDER: S-EPMC5472618 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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A Facile Green Synthetic Route for the Preparation of Highly Active γ-Al<sub>2</sub>O<sub>3</sub> from Aluminum Foil Waste.

Osman Ahmed I AI   Abu-Dahrieh Jehad K JK   McLaren Mathew M   Laffir Fathima F   Nockemann Peter P   Rooney David D  

Scientific reports 20170615 1


A novel green preparation route to prepare nano-mesoporous γ-Al<sub>2</sub>O<sub>3</sub> from AlCl<sub>3</sub>.6H<sub>2</sub>O derived from aluminum foil waste and designated as ACFL550 is demonstrated, which showed higher surface area, larger pore volume, stronger acidity and higher surface area compared to γ-Al<sub>2</sub>O<sub>3</sub> that is produced from the commercial AlCl<sub>3</sub> precursor, AC550. The produced crystalline AlCl<sub>3</sub>.6H<sub>2</sub>O and Al(NO<sub>3</sub>)<sub>3</  ...[more]

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