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Improvement of Physical Characteristics of Petroleum Waxes by Using Nano-structured Materials by Osama Saber; Nermen Hefny; Abdullah A. Al Jaafari is a Engineering article available to read on EtoBox.

What is Improvement of Physical Characteristics of Petroleum Waxes by Using Nano-structured Materials about?

Layered double hydroxides (LDHs) are a class of synthetic two-dimensional nano-structured anionic clays whose structure can be described as nano-layered ordered material. This study aims to use nano-layered materials as a host for organic guests having required functional groups such as azo-compounds to alter LDH surface properties from hydrophilic to hydrophobic and increase sorption capacity for sulfur and aromatic compounds through constructing nano-hybrid material. A large anionic pigment (phenyl azobenzoic sodium salt) has been intercalated into Zn-Al LDH and a complex system of supra-molecular host-guest interactions was formed. We have examined the unusual bi-functionality effects caused by hybridization for removing sulfur and aromatic compounds from petroleum waxes. Results clearly indicated that nano-layered material decreased sulfur content and mono-aromatic compounds of heavy slack wax. In the same run, it completely removed diaromatic compounds. In the same trend, the nano-hybrid material showed high efficiency for removing aromatic and sulfur compounds from crude petrolatum. This leads to an improvement for the physical properties of heavy slack wax and crude petrolat

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Author

Osama Saber; Nermen Hefny; Abdullah A. Al Jaafari

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0378-3820)

Published

2011

Language

EN

Field

Engineering (Physical Sciences)