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Wenquan Sun, Zhiqiang Xiao, Yongjun Sun, Lei Ding and Jun Zhou
In this paper, a high-efficiency and stable Cu-Ce@?-Al2O3 catalyst was prepared by taking the reverse osmosis (RO) concentrated water of a sewage treatment plant as the treatment object and activated alumina as the carrier. The preparation factors that a...
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Aliya N. Mukhamed'yarova, Oksana V. Nesterova, Kirill S. Boretsky, Juliya D. Skibina, Avgustina V. Boretskaya, Svetlana R. Egorova and Alexander A. Lamberov
Amorphous aluminum compounds are formed during the synthesis of the γ-Al2O3 catalyst precursor. Amorphous compounds influence on the alumina catalyst variously due to different physicochemical properties, which depend on the method of their prepara...
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Stefano Cimino, Jessica Apuzzo and Luciana Lisi
MgO supported on activated carbon (AC) with a load ranging from 10% to 30% has been investigated as catalyst for the conversion of ethanol into butanol at 400 °C in a fixed bed reactor at different GHSV. Catalysts have been characterized by XRD, SEM/EDX,...
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Behnam Partopour and Anthony G. Dixon
Computational fluid dynamics (CFD) is coupled with reaction and transport in a micro-scale pellet simulation to study CO oxidation over Rh/Al2O3 catalyst. The macro-pores are explicitly modeled to study the interaction of these phenomena in both the soli...
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Nádia Regina Camardo Fernandes Machado, Roberta Carolina Pelissari Rizzo, Robson Pablo Sobradiel Peguin (Author)
Pág. 1637 - 1642
Cu/Nb2O5 and Cu/Nb2O5/Al2O3 were studied as catalysts in ethanol steam-reforming for hydrogen production. They were prepared through impregnation, with different copper and Nb2O5 concentrations. Cu/ZnO/Al2O3 (G66), a commercial catalyst for methanol refo...
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Gilberto da Cunha Gonçalves, Fernando César Gazola, Maria Angelica Simoes Dornellas de Barros, Pedro Augusto Arroyo (Author)
Pág. 1401 - 1406
Synthesis of TAME catalyzed by zeolites USY, H-Mordenita, H-ZSM-5 and H-Beta was studied. Reactions were carried out in a batch reactor at 80oC and 10 kgf/cm2, using methanol and reactive isoamylenes (2-methyl-1-butene and 2-methyl-2-butene) from a mono-...
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Adriano Morales Gonzales, Pedro Augusto Arroyo (Author)
Pág. 1407 - 1414
Synthesis of MTBE on dealuminated and leaching Beta zeolites is provided. Hydrothermal and chemical dealumination of HBeta zeolite leads to less active catalysts due to a decrease in the total concentration of Brönsted acid sites. Furthermore, it has bee...
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