Síntese de catalisador Redox a base de óxido de ferro magnético suportado em sílica utilizando níquel como promotor | Zendy

Marco Aurélio de Lima Silva Rossi | Zendy; Ricardo Velloso Lelo | Zendy; William Miguel da Silva Borges | Zendy; Mário César Guerreiro | Zendy

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Síntese de catalisador Redox a base de óxido de ferro magnético suportado em sílica utilizando níquel como promotor

Author(s) -

Marco Aurélio de Lima Silva Rossi,

Ricardo Velloso Lelo,

William Miguel da Silva Borges,

Mário César Guerreiro

Publication year - 2017

Publication title -

forscience

Language(s) - Portuguese

Resource type - Journals

eISSN - 2318-6356

pISSN - 2318-6097

DOI - 10.29069/forscience.2017v5n2.e286

Subject(s) - catalysis , nuclear chemistry , chemistry , scanning electron microscope , iron oxide , nickel , redox , nickel oxide , materials science , inorganic chemistry , biochemistry , organic chemistry , composite material

Foi realizada a sintese de um catalisador baseado em oxido de ferro magnetico promovido com niquel e suportado em silica. O material foi caracterizado por microscopia eletronica de varredura com detector de energia dispersiva de raios-X (MEV-EDS) e difratometria de raios-X (DRX). Ele foi testado como catalisador na oxidacao do composto orgânico modelo azul de metileno (AM) utilizando o processo foto-Fenton que obteve uma atividade satisfatoria para o catalisador de mais 75% de descoloracao apos 10 minutos de reacao. Palavras-chave: Oxido de Ferro Magnetico. Niquel. Silica. Catalise. Foto-Fenton. Synthesis of nickel promoted magnetic iron oxide Redox catalyst supported on silica Abstract A catalyst based on magnetic iron oxide promoted with nickel and supported on silica was synthesized. The material was characterized by scanning electron microscopy with dispersive X-ray energy detector (SEM-EDS) and X-ray diffractometry (XRD). It was tested as a catalyst in the oxidation of the methylene blue organic compound using Photo-Fenton process in which a satisfactory activity was obtained for the catalyst with over 75% decolorization after 10 minutes of reaction. Keywords : Magnetic Iron Oxide. Nickel. Silica. Catalysis. Photo-Fenton.

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