Morphological, chemical surface and filtration characterization of a new silicon carbide membrane

Maria C. Fraga, Sandra Sanches, V. J. Pereira, J. G. Crespo, L. Yuan, J. Marcher, MªV Martínez de Yuso, E. Rodríguez-Castellón, J. Benavente

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

A new silicon carbide ceramic membrane consisting of a unique top layer on a SiC support for application in oily wastewaters filtration was produced and characterized in terms of morphology and chemical surface composition by scanning electron microscopy and X-ray photoelectron spectroscopy measurements. The manufacturing process of this new membrane allows time and economic savings when compared with a two layers membrane previously obtained. The new membrane has a smooth top layer with controlled porosity and a higher permeability compared to already developed commercial membranes. Moreover, it is extremely efficient to remove total suspended solids as well as oil and grease and, consequently, it can be applied to effective treatment of industrial oily wastewaters.

Original languageEnglish
Pages (from-to)899-905
Number of pages7
JournalJournal of the European Ceramic Society
Volume37
Issue number3
DOIs
Publication statusPublished - Mar 2017

Keywords

  • Ceramic membranes
  • Characterization
  • Silicon carbide
  • Structural modifications
  • Time and economic savings

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