Copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acid
Copper molybdate nanoplates were synthesized by a sonochemical process at room temperature, which we report as a simple and cost-effective route. Structural analysis of the material by the Rietveld method of X-ray diffraction (XRD) data revealed lindgrenite Cu3(MoO4)2(OH)2 in a single-phase structur...
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doaj-a5c66a78c5e840cba1a7776ec9f18ccd2021-04-20T05:11:58ZengElsevierUltrasonics Sonochemistry1350-41772021-05-0173105541Copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acidJ.L. Silva Junior0F.X. Nobre1F.A. de Freitas2T.A.F. de Carvalho3S.S. de Barros4M.C. Nascimento5L. Manzato6J.M.E. Matos7W.R. Brito8Y. Leyet9P.R.C. Couceiro10Department of Chemistry, Federal University of Amazonas, Manaus 69077-000, BrazilDepartment of Chemistry, Federal University of Amazonas, Manaus 69077-000, Brazil; Federal Institute of Amazonas, Campus Coari, Coari 69460-000, Brazil; Corresponding author at: Federal Institute of Amazonas, Campus Coari, Coari 69460-000, Brazil.Department of Chemistry, Federal University of Amazonas, Manaus 69077-000, Brazil; Amazon Biotechnology Center – CBA, Industrial District, Manaus 69075-351, BrazilDepartment of Chemistry, Federal University of Piauí, Teresina 64049-550, BrazilDepartment of Materials Engineering, Federal University of Amazon, 69077-000 Manaus, BrazilDepartment of Chemistry, Federal University of Amazonas, Manaus 69077-000, BrazilFederal Institute of Amazonas – IFAM, Distrito Industrial, 69.075-351, Manaus, AM, BrazilDepartment of Chemistry, Federal University of Piauí, Teresina 64049-550, BrazilDepartment of Chemistry, Federal University of Amazonas, Manaus 69077-000, BrazilDepartment of Materials Engineering, Federal University of Amazon, 69077-000 Manaus, Brazil; LPMaT, Programa de Pós-graduação em Ciência e Engenharia de Materiais, Departamento de Engenharia de Materiais, Universidade Federal do Amazonas, Manaus, Amazonas 69077-000, BrazilDepartment of Chemistry, Federal University of Amazonas, Manaus 69077-000, BrazilCopper molybdate nanoplates were synthesized by a sonochemical process at room temperature, which we report as a simple and cost-effective route. Structural analysis of the material by the Rietveld method of X-ray diffraction (XRD) data revealed lindgrenite Cu3(MoO4)2(OH)2 in a single-phase structure. All the vibrational modes characteristic of the space group were identified by Raman vibrational and near-infrared (NIR) spectroscopies. The profile obtained for N2 adsorption/desorption was type III hysteresis, characteristic of mesoporous materials, with a surface area of 70.77(1) m2 g−1. The micrographs of the material obtained by scanning electron microscopy showed nanoplates with nanometric sizes and an anisotropic growth aspect. The catalytic activity of lindgrenite was evaluated by esterifying oleic acid with methanol, showing high conversion rate to methyl oleate and good catalyst stability after seven recycling cycles. Above all, the best catalytic performance was reached when we optimized parameters such as oleic acid:methanol molar ratio of 1:5, 5% of catalyst dosage, and reaction time of 5 h, resulting in 98.38% of conversion at 413 K. Therefore, sonochemically synthesized lindgrenite proved to be a high potential material for biofuel production by oleic acid esterification.http://www.sciencedirect.com/science/article/pii/S1350417721000833LindgreniteEsterificationBiofuelCatalysis |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
J.L. Silva Junior F.X. Nobre F.A. de Freitas T.A.F. de Carvalho S.S. de Barros M.C. Nascimento L. Manzato J.M.E. Matos W.R. Brito Y. Leyet P.R.C. Couceiro |
spellingShingle |
J.L. Silva Junior F.X. Nobre F.A. de Freitas T.A.F. de Carvalho S.S. de Barros M.C. Nascimento L. Manzato J.M.E. Matos W.R. Brito Y. Leyet P.R.C. Couceiro Copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acid Ultrasonics Sonochemistry Lindgrenite Esterification Biofuel Catalysis |
author_facet |
J.L. Silva Junior F.X. Nobre F.A. de Freitas T.A.F. de Carvalho S.S. de Barros M.C. Nascimento L. Manzato J.M.E. Matos W.R. Brito Y. Leyet P.R.C. Couceiro |
author_sort |
J.L. Silva Junior |
title |
Copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acid |
title_short |
Copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acid |
title_full |
Copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acid |
title_fullStr |
Copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acid |
title_full_unstemmed |
Copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acid |
title_sort |
copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acid |
publisher |
Elsevier |
series |
Ultrasonics Sonochemistry |
issn |
1350-4177 |
publishDate |
2021-05-01 |
description |
Copper molybdate nanoplates were synthesized by a sonochemical process at room temperature, which we report as a simple and cost-effective route. Structural analysis of the material by the Rietveld method of X-ray diffraction (XRD) data revealed lindgrenite Cu3(MoO4)2(OH)2 in a single-phase structure. All the vibrational modes characteristic of the space group were identified by Raman vibrational and near-infrared (NIR) spectroscopies. The profile obtained for N2 adsorption/desorption was type III hysteresis, characteristic of mesoporous materials, with a surface area of 70.77(1) m2 g−1. The micrographs of the material obtained by scanning electron microscopy showed nanoplates with nanometric sizes and an anisotropic growth aspect. The catalytic activity of lindgrenite was evaluated by esterifying oleic acid with methanol, showing high conversion rate to methyl oleate and good catalyst stability after seven recycling cycles. Above all, the best catalytic performance was reached when we optimized parameters such as oleic acid:methanol molar ratio of 1:5, 5% of catalyst dosage, and reaction time of 5 h, resulting in 98.38% of conversion at 413 K. Therefore, sonochemically synthesized lindgrenite proved to be a high potential material for biofuel production by oleic acid esterification. |
topic |
Lindgrenite Esterification Biofuel Catalysis |
url |
http://www.sciencedirect.com/science/article/pii/S1350417721000833 |
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