Zobrazeno 1 - 10
of 28
pro vyhledávání: '"José J. Fripiat"'
Autor:
Norma A. Sánchez-Flores, Juan Navarrete-Bolaños, José J. Fripiat, Georgina C. Laredo, Patricia Pérez-Romo, Graciela Pacheco-Malagón
Publikováno v:
Journal of the Brazilian Chemical Society v.32 n.1 2021
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 32, Issue: 1, Pages: 207-215, Published: 20 JAN 2021
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 32, Issue: 1, Pages: 207-215, Published: 20 JAN 2021
The adsorption capacities of two synthesized zeolites (crystalline ZSM-5 and semi-crystalline faujasite Y) for a mixture of indole, quinoline and carbazole were studied. The different samples obtained show different crystalline degree, mesoporosity a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b11c4d1daecb98b0b36bd9cf4538fc2
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532021000100207
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532021000100207
Autor:
Candido Aguilar-Barrera, Carlos Angeles-Chavez, Georgina C. Laredo, Patricia Pérez-Romo, José J. Fripiat
Publikováno v:
Applied Catalysis A: General. 611:117964
During hydrotreating, silica poisoning of catalysts represents a severe problem, because the silicone compounds that are present in coker naphtha feedstocks are adsorbed and transformed on the alumina surface, deactivating it. To provide a solution,
Publikováno v:
Journal of Physics: Conference Series. 1221:012009
NaA zeolite reacts rapidly with molecular fluorine at room temperature forming a mixture of amorphous material and of residual crystalline materials. The extent of the reaction depends on the gaseous pressure. The amorphous material contains fluorina
Autor:
Luis M. Rodríguez-Otal, Patricia Pérez-Romo, Juan Navarrete-Bolaños, Francisco Javier Hernández Beltrán, Candido Aguilar-Barrera, José J. Fripiat
Publikováno v:
Applied Catalysis A: General. 449:183-187
γ-Alumina-based HDT catalysts used as silicon traps adsorb more efficiently silicon compounds from naphtha till saturation, which occurs at a relatively low concentration (5–10 wt%). As the silicon content in the catalyst increases, the surface is
Autor:
S. Bulbulian, José J. Fripiat, J. Legaspe, M. T. Olguín, E. Martinez, Graciela Pacheco-Malagón, Norma A. Sánchez-Flores, José M. Saniger, M. Solache
Publikováno v:
Water Science and Technology. 66:247-253
The adsorption of the three chlorophenol isomers, ortho, meta and para, by silicalite-1 has been studied at 30 °C, below the solubility (at the same temperature) in water. Large differences, up to 30 times, have been observed between the adsorption
Autor:
M.L. Guzmán-Castillo, Patricia Pérez-Romo, S. Ibarra, Héctor Armendáriz-Herrera, Jaime S. Valente, F. Hernández-Beltrán, José J. Fripiat
Publikováno v:
Microporous and Mesoporous Materials. 143:375-382
The effect of the depolymerization–recrystallization (DR) process upon Na dislodging on Y zeolites was studied. A Na–Y zeolite was depolymerized with glycerol at 200 and 250 °C and partially recrystallized in presence of either a structure direc
Autor:
Patricia Pérez-Romo, José J. Fripiat, Héctor Armendáriz-Herrera, M.L. Guzmán-Castillo, Jaime S. Valente, F. Hernández-Beltrán
Publikováno v:
Microporous and Mesoporous Materials. 132:363-374
An original procedure to obtain a solid which combines the microporosity of a Y zeolite with a broad distribution of mesoporosity is described. The starting gel is composed of a mixture of Y zeolite and a source of silica, such as mesoporous FSM-16 o
Autor:
Norma A. Sánchez-Flores, Graciela Pacheco-Malagón, S. Bulbulian, José M. Saniger, José J. Fripiat, Marcos Solache, Ma. Teresa Olguín
Publikováno v:
Environmental Technology. 30:269-275
The rice hull ash is composed by 94% of SiO2, an agricultural waste that can be recovered and purified by a depolymerization reaction yielding an organo-silicic gel. The purpose of this paper is to show that this silica can be used to fix Cd2+ from a
Autor:
J. M. Saniger Blesa, Patricia Pérez-Romo, José J. Fripiat, Norma A. Sánchez-Flores, Graciela Pacheco-Malagón, Jorge Alcaraz, H. Armendariz, L. Baños, M.L. Guzmán-Castillo, Jaime S. Valente
Publikováno v:
Journal of Colloid and Interface Science. 323:359-364
Well crystallized silicalite-1 has been obtained from three sources of amorphous silica, namely, rice hull ashes, commercial Davisil, and a fume silica from Aldrich. The silicas were first dissolved in glycerol according to a recently described react
Autor:
Patricia Pérez-Romo, L. Baños, Norma A. Sánchez-Flores, Jaime S. Valente, Marı´a de L. Guzman-Castillo, José J. Fripiat, Graciela Pacheco-Malagón, F. Hernández-Beltrán, J. Saniger-Blesa
Publikováno v:
Microporous and Mesoporous Materials. 100:70-76
This contribution deals with the synthesis of a silicon-rich ZSM-5 obtained from an amorphous organo-alumino-silicic gel. The gel was formed by reacting a mechanical mixture of RHA (rice hull ash), silica’s source, and of natural clinoptilolite, so