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https://ri.ufs.br/jspui/handle/riufs/24773| Document Type: | Artigo |
| Title: | Effect of the acid treatment of montmorillonite clay in the oleic acid esterification reaction |
| Authors: | Nascimento, Alexsandra Rodrigues do Alves, José Antônio Barros Leal Reis Reis, José Antônio Barros Leal Mel, Dulce Maria de Araújo Souza, Marcelo José Barros de Pedrosa, Anne Michelle Garrido |
| Issue Date: | 2015 |
| Resumo : | Biodiesel is a fuel renewable, biodegradable and environmentally correct fuel, which can be obtained from the esterification reactions, transesterification and pyrolisis. Montmorillonite is a clay mineral of the smectite group and are of great interest for industrial processes such as catalysis and adsorption. Acid activation of clay minerals is one of the most effective methods proposed to produce active materials. In this work, montmorillonite clay was treated with H2 SO4 in different concentrations (0.2 – 0.8 mol L–1), characterized by X-ray diffraction (XRD), infrared spectroscopy (FT-IR) and applied in the catalytic esterification of oleic acid. The results reveal that the clay treated with aqueous solutions 0.8 mol L–1 H2SO4 shows promising catalytic activity toward the studied reaction, with maximum conversion of oleic acid of 65% at 30 °C. |
| Keywords: | Montmorillonite clay Acid treatement Esterification Oleic acid Biofuel |
| ISSN: | 1980-5373 |
| Is part of: | Materials Research |
| Language: | eng |
| Publisher / Institution : | Associação Brasileira de Metalurgia, Materiais e Mineração (ABM) / Associação Brasileira de Cerâmica (ABC) / Associação Brasileira de Polímeros (ABPol) |
| Citation: | NASCIMENTO, A. R. et al. Effect of the acid treatment of montmorillonite clay in the oleic acid esterification reaction. Materials Research, São Carlos, v. 18, n. 2, p. 283–287, 2015. Disponível em: https://www.scielo.br/j/mr/a/NmqT9bqJmLS8Hw9Q64f7Bcf/?lang=en. Acesso em: 13 mar. 2026. |
| License: | Creative Commons Atribuição-NãoComercial 3.0 Não Adaptada (CC BY-NC 3.0) |
| Identifier: | https://doi.org/10.1590/1516-1439.293014 |
| URI: | https://ri.ufs.br/jspui/handle/riufs/24773 |
| Appears in Collections: | DEQ - Artigos de periódicos |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| EffectAcidTreatmentMontimorilloniteClay.pdf | 942,84 kB | Adobe PDF |  View/Open |
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