Application of Palygorskite in Purification Process of Frying Oil

Rian Felipe de Melo Araújo; Lécia Maria da Silva Freire; Lívio César Cunha Nunes

doi:10.4028/www.scientific.net/MSF.869.773

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HomeMaterials Science ForumMaterials Science Forum Vol. 869Application of Palygorskite in Purification...

Application of Palygorskite in Purification Process of Frying Oil

Abstract:

The Brazil produces a million tons of waste oils from frying, annually. Disposal of these usually is done improperly, resulting in serious environmental problems. In this context, the objective was to develop a method for purification of oils used in frying, using palygorskite as an cleansing agent. For this, acid activation and characterization of palygorskite was realized. So, were developed a method for purification of oil, using 2³ factorial design as a tool for process optimization. Subsequently, was realized the physicochemical characterization of oils by transesterification followed by GC-MS. The results revealed a significant increase in the adsorption of the clay after acid activation process, while tests of purification of frying oil showed effective improvement of their characteristics, highlighting the disappearance of the smell of rancid oil and bleaching. The results showed that the purification method used was efficient.

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21st Brazilian Conference on Materials Science and Engineering

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Periodical:

Materials Science Forum (Volume 869)

Pages:

773-777

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.869.773

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Online since:

August 2016

Authors:

Rian Felipe de Melo Araújo*, Lécia Maria da Silva Freire, Lívio César Cunha Nunes

Keywords:

Acid Activation, Frying oil, Palygorskite

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