Situmeang, Rudy T.M and Supriyanto, R and Septianto, Mitro and Simanjuntak, Wasinton and Sembiring, Simon and Roger, Anne-Cecile (2013) NixCoyFe1-x-yO4 Nanocatalyst: Preparation, Characterization and Catalytic Activity in CO2/H2 Conversion. In: the 2nd International Confrence of the Indonesian Chemical Society 2013, 22 - 23 October 2013, Yogyakarta.

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Abstract

NiyCoxFe(1-x-y)O4 nanocatalysts (with y = 0,2 and x = 0,1 – 0,3) have been prepared using a simultaneous method of sol – gel and ultra-sonocation. Starting materials used are nitrate salts of iron, nickel and cobalt which are dissolved in white egg solution, respectively before mixing process. After calcining and grinding, the nanocatalysts are characterized by use of X-ray diffraction (XRD) analysis, Infra Red spectroscopy (IR), and Scanning Electron Microscopy (SEM). X-ray diffraction analysis proved that the prepared nanocatalysts consist of various crystalline phases such as CoFe2O4 which is superimposed to NiFe2O4 as a major phase, Fe2O3, NiO, and Co3O4 as minor phases. Therefore, it is concluded that crystalline phase of NiCoFe2O4 is formed. FTIR Analysis proved that Lewis acid sites is more dominant than BrØnsted – Lowry acid sites for all prepared nanocatalysts. Then, surface morphology analysis showed that NiyCoxFe(1-x-y)O4 nanocatalysts prepared have not homogeneous form yet. Size of particles is varied and is around 85 nm for Ni0.2Co0.2Fe0.6O4 catalyst. However, the particle size of other prepared catalysts is between 85 and 110 nm. Catalyst’s activity test performance showed that ethanol is produced on a range of temperature reaction with a resulting concentration of 5000 ppm.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > QD Chemistry
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Kimia
Depositing User: Dr. Rudy Tahan Mangapul Situmeang
Date Deposited: 28 Feb 2018 08:23
Last Modified: 28 Feb 2018 08:23
URI: http://repository.lppm.unila.ac.id/id/eprint/6444

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