Catalytic Distillation of Atmospheric Residue of Petroleum over HY-MCM-41 Micro-Mesoporous Materials
Catalytic distillation is a technology that combines a heterogeneous catalytic reaction and the separation of reactants and products via distillation in a single reactor/distillation system. This process combines catalysis, kinetics, and mass transfer to obtain more selective products. The heterogen...
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MDPI AG
2023-01-01
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| author | Camila G. D. P. Morais Jilliano B. Silva Josue S. Almeida Rafaela R. Oliveira Marcio D. S. Araujo Glauber J. T. Fernandes Regina C. O. B. Delgado Ana C. F. Coriolano Valter J. Fernandes Antonio S. Araujo |
| author_facet | Camila G. D. P. Morais Jilliano B. Silva Josue S. Almeida Rafaela R. Oliveira Marcio D. S. Araujo Glauber J. T. Fernandes Regina C. O. B. Delgado Ana C. F. Coriolano Valter J. Fernandes Antonio S. Araujo |
| author_sort | Camila G. D. P. Morais |
| collection | DOAJ |
| description | Catalytic distillation is a technology that combines a heterogeneous catalytic reaction and the separation of reactants and products via distillation in a single reactor/distillation system. This process combines catalysis, kinetics, and mass transfer to obtain more selective products. The heterogeneous catalyst provides the sites for catalytic reactions and the porous surface for liquid/vapor separation. The advantages of catalytic distillation are energy savings, low waste streams, catalyst longevity, higher conversion, and product selectivity; these properties are interesting for petrochemical and petroleum industries. For this study, 100 mL of atmospheric residue of petroleum (ATR) was distilled in the presence of 1.0 g of a micro/mesoporous catalyst composed of a HY-MCM-41, and the reactor used was an OptiDist automatic distillation device, operating according to ASTM D-86 methodology. The products were collected and analyzed by gas chromatography. The samples of ATR, HY/ATR, and HY-MCM-41/ATR were analyzed by thermogravimetry (TG) to determine the activation energies (Ea) relative to the thermal decomposition of the process, using the Ozawa–Flynn–Wall (OFW) kinetic model. The obtained results show a potential catalytic distillation system for use in the reaction of heavy petroleum fractions and product separation from the HY/MCM-41 micro/mesoporous catalyst. The TG data revealed two mass loss events for ATR in the ranges of 100–390 and 390–590 °C, corresponding to volatilization and thermal cracking, respectively. The Ea determined for the thermal degradation of the ATR without a catalyst was in the range of 83–194 kJ/mol, whereas in the presence of the HY-MCM-41 catalyst, it decreased to 61–105 kJ/mol, evidencing the catalytic effect of the micro-mesoporous material. The chromatography analysis allowed for the identification of gasoline and a major production of diesel and gasoil when the HY-MCM-41 mixture was used as the catalyst, evidencing the synergism of the combined effect of the acid sites, the crystalline phase, and the microporosity of the HY zeolite with the accessibility of the hexagonal mesoporous structure of the MCM-41 material. |
| first_indexed | 2024-03-11T09:01:57Z |
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| last_indexed | 2024-03-11T09:01:57Z |
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| spelling | doaj.art-663e7e36077d431a855f93037a64b1b12023-11-16T19:41:09ZengMDPI AGCatalysts2073-43442023-01-0113229610.3390/catal13020296Catalytic Distillation of Atmospheric Residue of Petroleum over HY-MCM-41 Micro-Mesoporous MaterialsCamila G. D. P. Morais0Jilliano B. Silva1Josue S. Almeida2Rafaela R. Oliveira3Marcio D. S. Araujo4Glauber J. T. Fernandes5Regina C. O. B. Delgado6Ana C. F. Coriolano7Valter J. Fernandes8Antonio S. Araujo9Federal Institute of Education, Science and Technology of Pará, Campus Maraba, Maraba 68501-000, BrazilPost-Graduate Program in Petroleum Science and Engineering, Federal University of Rio Grande do Norte, Natal 59078-970, BrazilLaboratory of Fuels and Lubricants, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal 59078-970, BrazilLaboratory of Fuels and Lubricants, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal 59078-970, BrazilLaboratory of Fuels and Lubricants, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal 59078-970, BrazilLaboratory of Fuels and Lubricants, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal 59078-970, BrazilDepartment of Engineering and Technology, Federal Rural University of Semi-Arid, Mossoro 59625-900, BrazilLaboratory of Catalysis and Petrochemistry, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal 59078-970, BrazilLaboratory of Fuels and Lubricants, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal 59078-970, BrazilLaboratory of Catalysis and Petrochemistry, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal 59078-970, BrazilCatalytic distillation is a technology that combines a heterogeneous catalytic reaction and the separation of reactants and products via distillation in a single reactor/distillation system. This process combines catalysis, kinetics, and mass transfer to obtain more selective products. The heterogeneous catalyst provides the sites for catalytic reactions and the porous surface for liquid/vapor separation. The advantages of catalytic distillation are energy savings, low waste streams, catalyst longevity, higher conversion, and product selectivity; these properties are interesting for petrochemical and petroleum industries. For this study, 100 mL of atmospheric residue of petroleum (ATR) was distilled in the presence of 1.0 g of a micro/mesoporous catalyst composed of a HY-MCM-41, and the reactor used was an OptiDist automatic distillation device, operating according to ASTM D-86 methodology. The products were collected and analyzed by gas chromatography. The samples of ATR, HY/ATR, and HY-MCM-41/ATR were analyzed by thermogravimetry (TG) to determine the activation energies (Ea) relative to the thermal decomposition of the process, using the Ozawa–Flynn–Wall (OFW) kinetic model. The obtained results show a potential catalytic distillation system for use in the reaction of heavy petroleum fractions and product separation from the HY/MCM-41 micro/mesoporous catalyst. The TG data revealed two mass loss events for ATR in the ranges of 100–390 and 390–590 °C, corresponding to volatilization and thermal cracking, respectively. The Ea determined for the thermal degradation of the ATR without a catalyst was in the range of 83–194 kJ/mol, whereas in the presence of the HY-MCM-41 catalyst, it decreased to 61–105 kJ/mol, evidencing the catalytic effect of the micro-mesoporous material. The chromatography analysis allowed for the identification of gasoline and a major production of diesel and gasoil when the HY-MCM-41 mixture was used as the catalyst, evidencing the synergism of the combined effect of the acid sites, the crystalline phase, and the microporosity of the HY zeolite with the accessibility of the hexagonal mesoporous structure of the MCM-41 material.https://www.mdpi.com/2073-4344/13/2/296hybrid materialHY/MCM-41micro-mesoporous materialpetroleum residuethermogravimetrycatalysis |
| spellingShingle | Camila G. D. P. Morais Jilliano B. Silva Josue S. Almeida Rafaela R. Oliveira Marcio D. S. Araujo Glauber J. T. Fernandes Regina C. O. B. Delgado Ana C. F. Coriolano Valter J. Fernandes Antonio S. Araujo Catalytic Distillation of Atmospheric Residue of Petroleum over HY-MCM-41 Micro-Mesoporous Materials Catalysts hybrid material HY/MCM-41 micro-mesoporous material petroleum residue thermogravimetry catalysis |
| title | Catalytic Distillation of Atmospheric Residue of Petroleum over HY-MCM-41 Micro-Mesoporous Materials |
| title_full | Catalytic Distillation of Atmospheric Residue of Petroleum over HY-MCM-41 Micro-Mesoporous Materials |
| title_fullStr | Catalytic Distillation of Atmospheric Residue of Petroleum over HY-MCM-41 Micro-Mesoporous Materials |
| title_full_unstemmed | Catalytic Distillation of Atmospheric Residue of Petroleum over HY-MCM-41 Micro-Mesoporous Materials |
| title_short | Catalytic Distillation of Atmospheric Residue of Petroleum over HY-MCM-41 Micro-Mesoporous Materials |
| title_sort | catalytic distillation of atmospheric residue of petroleum over hy mcm 41 micro mesoporous materials |
| topic | hybrid material HY/MCM-41 micro-mesoporous material petroleum residue thermogravimetry catalysis |
| url | https://www.mdpi.com/2073-4344/13/2/296 |
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