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Liquid-assisted mechanochemical synthesis of an iron carboxylate Metal Organic Framework and its evaluation in diesel fuel desulfurization

TitleLiquid-assisted mechanochemical synthesis of an iron carboxylate Metal Organic Framework and its evaluation in diesel fuel desulfurization
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2015
AuthorsPilloni, M., Padella F., Ennas G., Lai S., Bellusci M., Rombi E., Sini F., Pentimalli Marzia, Delitala C., Scano A., Cabras V., and Ferino I.
JournalMicroporous and Mesoporous Materials
Volume213
Pagination14-21
ISSN13871811
Keywords4, 6-Dimethyl-dibenzothiophene, 6-dimethyldibenzothiophene (4, 6-DMDBT), Adsorption, Adsorption microcalorimetry, Adsorption performance, Carboxylation, Crystalline materials, Desulfurization, Diesel fuels, Grinding (machining), infrared spectroscopy, Ionic liquids, Iron, Liquids, Mechano-chemical routes, Mechanochemical synthesis, Metal organic framework, Nitrogen physisorption, Organometallics, Physisorption, Scanning electron microscopy, X ray powder diffraction
Abstract

An iron (III) carboxylate Metal Organic Framework isostructural with MIL-100(Fe) was synthesized through a mechanochemical route. The material, rapidly obtained by liquid-assisted grinding at room temperature, was characterized by X-ray powder diffraction, infrared spectroscopy, scanning electron microscopy, thermal gravimetry, nitrogen physisorption and adsorption microcalorimetry of ammonia. For comparison, the features of a commercial iron trimesate produced via electrochemical route were investigated as well. The ball-milled sample showed better crystallinity, associated with good thermal stability, higher surface area and pore volume. The adsorption performance of both the ball-milled and commercial samples for the ambient-temperature removal of 4,6-dimethyldibenzothiophene (4,6-DMDBT) from 4,6-DMDBT)/n-heptane solutions simulating a diesel fuel was also investigated. The maximum adsorption capacity for the ball-milled sample resulted twice as big as that for the commercial one. An interpretation of the different adsorption behavior is proposed. © 2015 Elsevier Inc. All rights reserved.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84928529576&doi=10.1016%2fj.micromeso.2015.04.005&partnerID=40&md5=0f0fbe1a82ad824c9f01178cfc6d4a2f
DOI10.1016/j.micromeso.2015.04.005
Citation KeyPilloni201514