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Heriberto Esteban Benito, Ricardo García Alamilla, Luz Arcelia García Serrano, Francisco Paraguay Delgado and Juan Antonio Carmona García
The influence of hafnium metal (Hf) and sulfate ions (SO42−" role="presentation" style="position: relative;">SO2-4SO42-
S
O
4
2
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) on the acidic properties of SiO2 mesopores synthesized by a non-hydrothermal method was studied using the follo...
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Vladimir Sánchez, María Dolores González, Pilar Salagre and Yolanda Cesteros
5-hydroxymethylfurfural (5-HMF) is an important platform molecule for the synthesis of high-added value products. Several synthesized clay materials, such as mesoporous hectorite and fluorohectorite, in addition to commercial montmorillonite K-10, have b...
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Wenhe Wang, Changsen Zhang, Guanghui Chen and Ruiqin Zhang
Hydrodeoxygenation (HDO) of bio-oil is a method of bio-oil upgrading. In this paper, x%CeO2?Ni?Cu/HZSM-5 (x = 5, 15, and 20) was synthesized as an HDO catalyst by the co-impregnation method. The HDO performances of x%CeO2?Ni?Cu/HZSM-5 (x = 5, 15, and 20)...
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Vanessa Silenia Garcia-Cuello, Liliana Giraldo and Juan C. Moreno-Pirajan
An adsorption microcalorimeter was designed and built in our laboratory and used for the determination of differential adsorption heats in different samples of porous solids: activated carbon granules, activated carbon pellets, an activated carbon monoli...
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Werner Bonrath, Fabrice Aquino, Alois Haas, Simone Hoppmann, Thomas Netscher, Francesco Pace and Horst Pauling
Methanetrisulfonic acid had been prepared for the first time over 140 years ago, but it was used only scarcely in chemical transformations. In the course of our activities dealing with key-steps of industrial syntheses of vitamins, e.g. economically impo...
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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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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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