Photo and electro catalysis for solar disinfection of Escherichia coli contaminated water using Ag–TiO2 graphite
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Toxicological & Envir onm ental Chem istr y
V olu m e 93, I ssu e 8 , 20 11
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Photo- and electr o-catalysis for solar disinfection of Escher ichia
coli-contam inated water using Ag– TiO 2 / gr aphite
DOI :
10.1080/ 02772248.2011.604322
Fitria Rahm awati a* , Triana Kusumaningsih b & Aris Hastuti a
pages 1602-1612
Publishing m odels and ar ticle dates explained
Received: 9 Jan 2011
Accepted: 6 Jul 2011
Accepted author version posted online: 13 Jul 2011
Published online: 10 Aug 2011
Ar ticle Views: 81
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Abstr act
A titanium dioxide film on a graphite substrate was synthesized by chemical bath deposition from TiCl 4 as precursor and with the surfactant cetyl trimethyl ammonium bromide
as a linking and assembling agent. Silver was loaded on the TiO2 film by electrodeposition at 0.025 A. Water contaminated with Escher ichia coli was disinfected under sunlight
irradiation by photolysis (Lys), photocatalysis (PC), photoelectrocatalysis (PEC), and electrocatalysis (EC). The highest rate constant, k, was achieved with EC; k was 5.1 × 10 −2
colony forming units (CFU) mL −1 m in −1 . However, auto-oxidation of Ag occurred during EC and PEC. Meanwhile, the rate constant of disinfection by means of PC was lower
than EC and PEC, and k was 3.82 × 10 −2 CFU mL −1 min −1 . Nevertheless, the auto-oxidation of Ag in the Ag– TiO 2/ graphite tablet did not occur during the disinfection process.
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Keyw or ds
photo catalysis,
electro catalysis,
Escherichia coli ,
solar disinfection,
Ag– TiO2/ Graphite
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Received: 09 Jan 2011
Accepted: 06 Jul 2011
Accepted author ver sion posted online: 13 Jul 2011
Published online: 10 Aug 2011
Au th or affiliation s
a Departm ent of Chem istry, Research Group of Physical Chemistry, Sebelas Maret University, Jl. I r. Sutami 36 A, Surakarta 57772, I ndonesia
b Department of Chemistry, Research Group of Biochemistry, Sebelas Maret University, Jl. I r. Sutam i 36 A Kentingan, Surakarta 57772, I ndonesia
Br owse jour nal
View all volum es and issues
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M ost r ead ar ticles
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Author s and submissions
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N ews & offer s
Toxicological & Envir onm ental Chem istr y
V olu m e 93, I ssu e 8 , 20 11
Select Language ▼
Translator disclaimer
Photo- and electr o-catalysis for solar disinfection of Escher ichia
coli-contam inated water using Ag– TiO 2 / gr aphite
DOI :
10.1080/ 02772248.2011.604322
Fitria Rahm awati a* , Triana Kusumaningsih b & Aris Hastuti a
pages 1602-1612
Publishing m odels and ar ticle dates explained
Received: 9 Jan 2011
Accepted: 6 Jul 2011
Accepted author version posted online: 13 Jul 2011
Published online: 10 Aug 2011
Ar ticle Views: 81
Article usage statistics combine cumulative total PDF downloads and full-text HTML views from publication date (but no earlier than 25 Jun 2011, launch date of this website) to
17 Jun 2013. Article views are only counted from this site. Although these data are updated every 24 hours, there may be a 48-hour delay before the most recent numbers are
available.
Preview
Access Options
Ale
TOC email alert
TOC RSS feed
Citation email alert
Citation RSS feed
Abstr act
A titanium dioxide film on a graphite substrate was synthesized by chemical bath deposition from TiCl 4 as precursor and with the surfactant cetyl trimethyl ammonium bromide
as a linking and assembling agent. Silver was loaded on the TiO2 film by electrodeposition at 0.025 A. Water contaminated with Escher ichia coli was disinfected under sunlight
irradiation by photolysis (Lys), photocatalysis (PC), photoelectrocatalysis (PEC), and electrocatalysis (EC). The highest rate constant, k, was achieved with EC; k was 5.1 × 10 −2
colony forming units (CFU) mL −1 m in −1 . However, auto-oxidation of Ag occurred during EC and PEC. Meanwhile, the rate constant of disinfection by means of PC was lower
than EC and PEC, and k was 3.82 × 10 −2 CFU mL −1 min −1 . Nevertheless, the auto-oxidation of Ag in the Ag– TiO 2/ graphite tablet did not occur during the disinfection process.
View full text
Download full text
Keyw or ds
photo catalysis,
electro catalysis,
Escherichia coli ,
solar disinfection,
Ag– TiO2/ Graphite
Related
Add to shortlist
Link
Per m a l i n k
http:/ / dx.doi.org/ 10.1080/ 02772248.2011.604322
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U SD 44.0 0
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Full text
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D etails
Received: 09 Jan 2011
Accepted: 06 Jul 2011
Accepted author ver sion posted online: 13 Jul 2011
Published online: 10 Aug 2011
Au th or affiliation s
a Departm ent of Chem istry, Research Group of Physical Chemistry, Sebelas Maret University, Jl. I r. Sutami 36 A, Surakarta 57772, I ndonesia
b Department of Chemistry, Research Group of Biochemistry, Sebelas Maret University, Jl. I r. Sutam i 36 A Kentingan, Surakarta 57772, I ndonesia