Surfactant recovery from mesoporous metal-modified materials (Sn-, Y-, Ce-, Si-MCM-41), by ultrasound assisted ion-exchange extraction and its re-use for a microwave in situ cheap and eco-friendly MCM-41 synthesis (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Surfactant recovery from mesoporous metal-modified materials (Sn-, Y-, Ce-, Si-MCM-41), by ultrasound assisted ion-exchange extraction and its re-use for a microwave in situ cheap and eco-friendly MCM-41 synthesis (Articolo in rivista) (literal)

Anno

• 2014-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1039/c3ta15078j (literal)

Alternative label

• Gonzalez-Rivera, J.; Tovar-Rodriguez, J.; Bramanti, E.; Duce, C.; Longo, I.; Fratini, E.; Galindo-Esquivel, I. R.; Ferrari, C. (2014)
  Surfactant recovery from mesoporous metal-modified materials (Sn-, Y-, Ce-, Si-MCM-41), by ultrasound assisted ion-exchange extraction and its re-use for a microwave in situ cheap and eco-friendly MCM-41 synthesis
  in Journal of Materials Chemistry A
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Gonzalez-Rivera, J.; Tovar-Rodriguez, J.; Bramanti, E.; Duce, C.; Longo, I.; Fratini, E.; Galindo-Esquivel, I. R.; Ferrari, C. (literal)

Pagina inizio

• 7020 (literal)

Pagina fine

• 7033 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 2 (literal)

Rivista

• Journal of Materials Chemistry A (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali

• 14 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 19 (literal)

Note

• Scopus (literal)
• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• Chemical Engineering Department, University of Guanajuato, Noria Alta s/n, 36050, Guanajuato Gto, Mexico; National Research Council of Italy (C.N.R.), Istituto di Chimica Dei Composti Organo Metallici (ICCOM)-UOS Pisa, Via G. Moruzzi 1, 56124 Pisa, Italy; Department of Chemistry and Industrial Chemistry, University of Pisa, Via Risorgimento 35, 56127 Pisa, Italy; National Research Council of Italy (C.N.R.), Istituto Nazionale di Ottica, (INO)-UOS Pisa, Via G. Moruzzi 1, 56124 Pisa, Italy; Department of Chemistry, Ugo Schiff and CSGI, University of Florence, Via della Lastruccia 3, 50019 Sesto Fiorentino, Florence, Italy (literal)

Titolo

• Surfactant recovery from mesoporous metal-modified materials (Sn-, Y-, Ce-, Si-MCM-41), by ultrasound assisted ion-exchange extraction and its re-use for a microwave in situ cheap and eco-friendly MCM-41 synthesis (literal)

Abstract

• Different metal substituted (Y, Sn and Ce) MCM-41 materials were synthesized and detemplated by a low temperature surfactant removal methodology. All metal substituted materials showed an increase in the d(100) lattice parameter compared to the parent MCM-41 matrices. The increase depends on both the metal type and amount that is successfully incorporated by direct conventional hydrothermal synthesis. The metal modified MCM-41 materials were detemplated by an ultrasound assisted (US) ion-exchange process using methanol as the solvent (NH4NO3/US/MeOH). The effect of the ultrasound amplitude, extraction time and salt concentration were explored, and optimal values were determined for Y-MCM-41 detemplation (40 mM of NH4NO3, 60% of US amplitude and 15 min of adiabatic treatment). The removal percentage achieved with these values was in the following order: Y (97.7%) > Ce (94.4%) > Sn ;(92.1%) > Si (90.3%). Several techniques (SAXS, FTIR, TGA, H-1 MAS, Si-29 HPDEC MAS NMR and N-2 physisorption) demonstrated that the mesoporous materials keep their hexagonal structure and high surface area after the NH4NO3/US/MeOH surfactant extraction. Moreover, the thermal shrinkage of the structure was reduced in the following order: Si (0.6%) < Sn (4%) < Ce (5%) < Y (9%) < calcined samples (from 9 to 15%). The surfactant recovered was successfully recycled in a consecutive microwave assisted hydrothermal synthesis cycle (MW-HT). The synergy of different strategies (MW-HT synthesis, NH4NO3/US/MeOH surfactant removal and surfactant recovery) produces considerable time, energy and cost abatement, environmental impact reduction and promising scale up projections in the eco-friendly synthesis of MCM-41 materials. (literal)

Prodotto di

• Metodologie analitiche per la diagnostica non invasiva (PM.P07.015.006) (Modulo)
• Interazione coerente di radiazione con atomi, molecole e superfici attraverso la progettazione e sviluppo di nuove metodologie e sorgenti dall'UV al millimetrico (MD.P03.014.002) (Modulo)
• Istituto di chimica dei composti organo metallici (ICCOM) (Istituto)

Autore CNR

• IGINIO LONGO (Unità di personale esterno)
• EMILIA BRAMANTI (Persona)
• CARLO FERRARI (Unità di personale interno)

Insieme di parole chiave

• Keywords of "Surfactant recovery from mesoporous metal-modified materials (Sn-, Y-, Ce-, Si-MCM-41), by ultrasound assisted ion-exchange extraction and its re-use for a microwave in situ cheap and eco-friendly MCM-41 synthesis" (Insieme di parole chiave)

Incoming links:

Prodotto

• Istituto di chimica dei composti organo metallici (ICCOM) (Istituto)
• Interazione coerente di radiazione con atomi, molecole e superfici attraverso la progettazione e sviluppo di nuove metodologie e sorgenti dall'UV al millimetrico (MD.P03.014.002) (Modulo)
• Metodologie analitiche per la diagnostica non invasiva (PM.P07.015.006) (Modulo)

Autore CNR di

• EMILIA BRAMANTI (Persona)
• CARLO FERRARI (Unità di personale interno)
• IGINIO LONGO (Unità di personale esterno)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Journal of Materials Chemistry A (Rivista)

Insieme di parole chiave di

• Keywords of "Surfactant recovery from mesoporous metal-modified materials (Sn-, Y-, Ce-, Si-MCM-41), by ultrasound assisted ion-exchange extraction and its re-use for a microwave in situ cheap and eco-friendly MCM-41 synthesis" (Insieme di parole chiave)