Polydimethylsiloxane (PDMS) has been usedsuccessfully as pure material to prepare membranesand as host matrix to prepare hybridmembranes, by a dry phase inversion process. Thefiller used in the hybrid membrane was NaXzeolite crystals. The morphological characterisationby SEM showed a not homogeneousdistribution of crystals for the hybrid membrane.Both membranes (hydrophobic) were used in abiphasic membrane reactor obtaining a selectiveoxidation of benzene to phenol. The reported results show that PDMS membranes gave thebest system performance in terms of selectivity tophenol (99.85%), benzene conversion to phenol(0.47%), and hydrogen peroxide conversion tophenol (37.99%). Research is in progress toimprove further the system performance.

Preparation, characterisation and reactivity of polydimethylsiloxane membranes for selective oxidation of benzene to phenol

MOLINARI R;POERIO T;ARGURIO P.
2006

Abstract

Polydimethylsiloxane (PDMS) has been usedsuccessfully as pure material to prepare membranesand as host matrix to prepare hybridmembranes, by a dry phase inversion process. Thefiller used in the hybrid membrane was NaXzeolite crystals. The morphological characterisationby SEM showed a not homogeneousdistribution of crystals for the hybrid membrane.Both membranes (hydrophobic) were used in abiphasic membrane reactor obtaining a selectiveoxidation of benzene to phenol. The reported results show that PDMS membranes gave thebest system performance in terms of selectivity tophenol (99.85%), benzene conversion to phenol(0.47%), and hydrogen peroxide conversion tophenol (37.99%). Research is in progress toimprove further the system performance.
one-step production of phenol, Membrane reactors
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/20.500.11770/145899
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 11
  • ???jsp.display-item.citation.isi??? 10
social impact