Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Regina C. O. B. Delgado"'
Autor:
Ana Carla S. L. S. Coutinho, Joana M. F. Barros, Marcio D. S. Araujo, Jilliano B. Silva, Marcelo J. B. Souza, Regina C. O. B. Delgado, Valter J. Fernandes Jr., Antonio S. Araujo
Publikováno v:
Catalysts, Vol 14, Iss 3, p 198 (2024)
Heterogeneous catalysts containing cobalt and molybdenum supported on mesoporous materials types SBA-15 and AlSBA-15 were synthesized for application in the HDS reactions of thiophene in the n-heptane stream. The materials were synthesized by the hyd
Externí odkaz:
https://doaj.org/article/e0bfad04b4fc4cdc82a48f3a7be16bb6
Catalytic Distillation of Atmospheric Residue of Petroleum over HY-MCM-41 Micro-Mesoporous Materials
Autor:
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
Publikováno v:
Catalysts, Vol 13, Iss 2, p 296 (2023)
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 transfe
Externí odkaz:
https://doaj.org/article/663e7e36077d431a855f93037a64b1b1
Autor:
Antonio S. Araujo, Ana Catarina Fernandes Coriolano, Márcio Rodrigo Oliveira de Souza, Marcio D. S. Araujo, Regina C. O. B. Delgado, Valter J. Fernandes, João M. R. Silva, Josue S. Almeida
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 147:3647-3658
Bimodal silica and aluminosilicate materials containing mesopores and macropores were synthesized by hydrothermal method using sodium silicate, aluminum nitrate, P123 triblock copolymer, n-decane, hydrochloric acid and water. The uncalcined silica co
Autor:
Regina C. O. B. Delgado, Antonio S. Araujo, Carolina Barros Aquino, João M. R. Silva, Valter J. Fernandes, Ana C. F. Coriolano, Marcos H. R. Oliveira
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 136:2139-2144
Thermogravimetry was used in order to evaluate thermal and catalytic degradation of atmospheric residue of petroleum (ATR) which is found at Brazilian refineries, after a process of atmospheric distillation. The catalyst used for the thermocatalytic
Autor:
Regina C. O. B. Delgado, Antonio S. Araujo, Ana C. F. Coriolano, Rafaely Angelica Fonseca Bandeira
Publikováno v:
Materials Science Forum. 930:148-152
Concretes were prepared containing oil sludge additive to produce new materials for construction. The oil sludge and concrete have previously been characterized in terms of chemical composition of the elements present in the materials. The concrete b
Autor:
Ana C. F. Coriolano, Regina C. O. B. Delgado, Jardel Dantas da Cunha, Antonio S. Araujo, João Luiz Porfirio da Silva
Publikováno v:
Impactos das Tecnologias nas Engenharias 6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2075114c722dc490e4b73563c670196
https://doi.org/10.22533/at.ed.5961913037
https://doi.org/10.22533/at.ed.5961913037
Autor:
Ana C. F. Coriolano, Renkel A. Araujo, Regina C. O. B. Delgado, Antonio S. Araujo, Florival Rodrigues de Carvalho, Valter J. Fernandes, Aline A. Alves
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 127:1863-1867
Mg/Al layered double hydroxides (LDH) containing KI were synthesized and tested as basic heterogeneous catalysts for transesterification of sunflower oil, in order to obtain biodiesel. The process was carried out using reflux with 15:1 molar ratio of
Autor:
Regina C. O. B. Delgado, Cleyton K. D. Alberto, Kesia K. V. Castro, Antonio S. Araujo, Gabriel F. S. Barbosa, Ana C. F. Coriolano
Publikováno v:
Petroleum Science and Technology. 34:627-632
The AlSBA-15 nanomaterials with different Si/Al ratios were investigated as a promising material for processing of atmospheric residue of petroleum (ATR). The processing was performed in a thermobalance using nitrogen as a carrier gas at different he
Publikováno v:
Fuel Processing Technology. 88:365-368
In the present work, samples of Brazilian gasoline type C previously mixed with hydrated ethanol at concentrations of 20, 40, 60 and 80 vol.% were analyzed by distillation, octane number, specific mass, pH and conductivity, in order to evaluate the p