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Desalination and Water Treatment Volume 51, 2013 - Issue 13-15
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Articles

Preparation and characterization of composite membranes ceramic/PSf and ceramic/PA 66

Patrícia Poletto Science and Technology Center, University of Caxias do Sul, C P. 1352, Caxias do Sul, RS, 95020-972, Brazil Phone: Tel. +00 55 54 32182159 Fax: Tel. +00 55 54 32182159
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Dionísio da Silva Biron Science and Technology Center, University of Caxias do Sul, C P. 1352, Caxias do Sul, RS, 95020-972, Brazil Phone: Tel. +00 55 54 32182159 Fax: Tel. +00 55 54 32182159
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Mára Zeni Science and Technology Center, University of Caxias do Sul, C P. 1352, Caxias do Sul, RS, 95020-972, Brazil Phone: Tel. +00 55 54 32182159 Fax: Tel. +00 55 54 32182159
,
Carlos Pérez Bergmann Laboratory of Ceramic Materials (LACER), Departament of Materials, Engineering School, Federal University of Rio Grande do Sul, Osvaldo Aranha 99, Porto Alegre, RS, 90035-190, Brazil
&
Venina dos Santos Science and Technology Center, University of Caxias do Sul, C P. 1352, Caxias do Sul, RS, 95020-972, Brazil Phone: Tel. +00 55 54 32182159 Fax: Tel. +00 55 54 32182159Correspondence[email protected]
Pages 2666-2671 | Received 02 Mar 2012, Accepted 13 Aug 2012, Published online: 02 Apr 2013
 
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ABSTRACT

In this paper, ceramic/polymer composite membranes have been prepared to evaluate the efficiency of polymer deposition on the ceramic support from to separation process of Ultrafiltration. Polymers used were polyamide 66 (PA 66) and polysulfone (PSf). The composite membranes were obtained immersing the supports into polymeric solutions to top layer formation. The presence of polymeric layer was observed on the surface of composite membranes by means of the Fourier transform infrared spectroscopy (FTIR) and scanning electron microscope (SEM). Egg albumin (EA) solution was used to determine the rejection of the composite membranes. The ceramic support showed a higher flux value as expected, since its function is to favor flux passage. The composite membrane ceramic/PA 66 showed a higher flux than that of composite membrane ceramic/PSf. The EA rejection measured by reading the absorbance was 14, 42, and 62% to the support, composite membranes ceramic/PSf and ceramic/PA 66, respectively.

Acknowledgments

The authors acknowledge the University of Caxias do Sul, CNPq, CAPES and Hidro Filtros do Brasil Co. for their financial support.

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