Zobrazeno 1 - 10
of 388
pro vyhledávání: '"Vicente Rives"'
Publikováno v:
Molecules, Vol 28, Iss 12, p 4717 (2023)
Layered double hydroxides with the hydrotalcite-like structure, containing Mg2+, Al3+, and Fe3+ (with different Al/Fe ratios) in the layers, have been synthesized and fully characterized, as have the mixed oxides formed upon their calcination at 500
Externí odkaz:
https://doaj.org/article/c7fd4ca5949540b0908c3cc488bc4d13
Autor:
Denis T. de Araújo, Katia J. Ciuffi, Eduardo J. Nassar, Miguel A. Vicente, Raquel Trujillano, Vicente Rives, Elena P. Bernal, Emerson H. de Faria
Publikováno v:
Applied Surface Science Advances, Vol 4, Iss , Pp 100081- (2021)
The amidation reaction catalyzed by boric acid between the amino acids proline and phenylalanine and the alkoxide 3-aminopropyltriethoxysilane was studied. Afterwards, the modified alkoxide was used to functionalize the clay mineral kaolinite. The hy
Externí odkaz:
https://doaj.org/article/cba6f5e95bab4d6dbbef3bb7a688f8ba
Publikováno v:
Molecules, Vol 27, Iss 9, p 2904 (2022)
Two titania photocatalysts have been prepared using the sol–gel method using TiCl4 as a precursor, and two different alcohols, namely, ethanol or propanol (Et or Pr). The main aim of this work was to study the effect of the nature of the alcohol on
Externí odkaz:
https://doaj.org/article/56356a4ec4b54e50b04931f35deb238e
Autor:
Hugo Baldan Junior, Evane da Silva, Michelle Saltarelli, Denise Crispim, Eduardo J. Nassar, Raquel Trujillano, Vicente Rives, Miguel A. Vicente, Antonio Gil, Sophia A. Korili, Emerson H. de Faria, Katia J. Ciuffi
Publikováno v:
Applied Surface Science Advances, Vol 1, Iss , Pp 100025- (2020)
Sepiolite clay mineral was functionalized with (3-chloropropyl)triethoxysilane (ClPTES) or 3-[tri(ethoxy/methoxy)silyl] propylurea (TEMSPU) alkoxides and tested as adsorbent for herbicide glyphosate and also of caffeine, two pollutants with very diff
Externí odkaz:
https://doaj.org/article/477948714004497a92bcaa673f7db065
Publikováno v:
Energies, Vol 14, Iss 21, p 7414 (2021)
Synthetic saponites were successfully used to prepare phase change materials (PCMs) based on paraffin/synthetic saponite. Paraffin/synthetic saponites PCMs were prepared by a solution intercalation process. The PCMs were characterized by powder X-ray
Externí odkaz:
https://doaj.org/article/10db0ef2f5854b4982736bd7050b9189
Publikováno v:
ChemEngineering, Vol 4, Iss 3, p 53 (2020)
Nowadays, the contamination of groundwater and soils by highly hazardous and toxic chlorinated solvents is a global issue. Over the past years, different remediation strategies have been developed, involving injection of reactive solutions and/or par
Externí odkaz:
https://doaj.org/article/a7749787ad1d4592b99dffa6b58f0532
Publikováno v:
Processing and Application of Ceramics, Vol 4, Iss 4, Pp 237-243 (2010)
New [Y2-x Mx][Sn2-x Mx]O7-3x/2 (0 ≤x≤ 0.30 for M = Mg and 0 ≤x≤ 0.36 for M = Zn) solid solutions with the pyrochlore structure were synthesized via high-temperature solid-state reaction method. Powder X-ray diffraction (PXRD) patterns and Fou
Externí odkaz:
https://doaj.org/article/11c9a8d4977c4ee59aadfe2a9af3a001
Publikováno v:
ChemEngineering, Vol 2, Iss 3, p 31 (2018)
Three series of layered double hydroxides (LDH) with a hydrotalcite-like structure and composition corresponding to [Mg4Al2(OH)12(CO3)]·3H2O have been prepared from a common batch by applying three different aging procedures, namely, stirring at roo
Externí odkaz:
https://doaj.org/article/293716e4dd45484fb2e73dfa62e1f646
Autor:
Beatriz González, Bárbara Muñoz, Miguel Angel Vicente, Raquel Trujillano, Vicente Rives, Antonio Gil, Sophia Korili
Publikováno v:
ChemEngineering, Vol 2, Iss 2, p 22 (2018)
Montmorillonite–TiO2 nanocomposites were prepared using two different methods (ultrasonic or stirring) and using titanium(IV) isopropoxide as precursor. The solids were characterized by element chemical analysis, X-ray diffraction, FTIR spectroscop
Externí odkaz:
https://doaj.org/article/a971d5a5a46140ff9b08d90d15e5d4a4
Autor:
Priscila Martins Pereira, Breno Freitas Ferreira, Nathalia Paula Oliveira, Eduardo José Nassar, Katia Jorge Ciuffi, Miguel Angel Vicente, Raquel Trujillano, Vicente Rives, Antonio Gil, Sophia Korili, Emerson Henrique de Faria
Publikováno v:
Applied Sciences, Vol 8, Iss 4, p 608 (2018)
The present work reports the synthesis of zeolites from two metakaolins, one derived from the white kaolin and the other derived from the red kaolin, found in a deposit in the city of São Simão (Brazil). The metakaolins were prepared by calcination
Externí odkaz:
https://doaj.org/article/902c235ffbd742b4ac01b5de67145b47