NDLI: Degradación Heliofotocatalítica de Escherichia coli en Sistemas tipo Desinfección SODIS, con Dióxido de Titanio Modificado

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Degradación Heliofotocatalítica de Escherichia coli en Sistemas tipo Desinfección SODIS, con Dióxido de Titanio Modificado

Content Provider	Semantic Scholar
Author	Castro, Camilo A. Arámbula, Alba Lucía Centeno, Aristóbulo Giraldo, Sonia A.
Copyright Year	2009
Abstract	A study concerning the Heliophotocatalytic Disinfection of Water (HPDW), in Solar Disinfection type systems (SODIS) is presented. Photocatalysts based on a commercial titanium dioxide (TiO2) and TiO2 obtained by the sol-gel method both modified with transition metals (Ag, Fe, Mo or Pd), were used. Results show that the combination of the SODIS technique with photocatalysis reduces the solar irradiation time exposure of a unidosis of infected water, when compared to the one needed using the SODIS technique alone. In addition, it was observed that both, the synthesis method and the nature of the metal modifying the TiO2 influence the efficiency of the photocatalyst evaluated in HPDW. Inclusion of Ag or Pd enhances the bactericide action of the HPDW system. Ag presents an additional effect besides the photocatalytic one due to its bacteriostatic properties, while Pd enhances the photoactivity due to its electronic properties.
Starting Page	29
Ending Page	36
Page Count	8
File Format	PDF HTM / HTML
DOI	10.4067/S0718-07642009000600005
Volume Number	20
Alternate Webpage(s)	https://scielo.conicyt.cl/pdf/infotec/v20n6/art05.pdf
Alternate Webpage(s)	https://doi.org/10.4067/S0718-07642009000600005
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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