2017
DOI: 10.15761/ams.1000121
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Micro-sized TiO2 catalyst in powder form and as coating on porcelain grès tile for the photodegradation of phenol as model pollutant for water phase

Abstract: In presence of TiO 2 and irradiation, phenol can be degraded by hydroxyl radicals or directly via photogenerated carriers, as occurs in photocalytic processes. In this work a commercial micro-sized TiO 2 sample in powder form and industrially coated on porcelain grès tiles were tested in water remediation with phenol as model molecule. Firstly, we investigated the behaviour of the commercial micro-sized TiO 2 comparing the results with reference nano-sized catalyst in the phenol photodegradation process, widel… Show more

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Cited by 6 publications
(3 citation statements)
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References 22 publications
(25 reference statements)
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“…Graphene with UV irradiation synergistically functioned as the catalyst for hydrogen peroxide splitting, resulting in the enhancement of phenol's AOP. TiO 2 is a standard photocatalyst, in which Evonik P25 has been reported to completely degrade phenol 25 ppm in 400 min [28], and TiO 2 -coated quartz tube could degrade phenol of 100 mg/L within 4 h under UV irradiation [29]. Compared to both cases, the initial phenol concentration we used in this study (941.1 mg/L, 941 ppm) is much higher, showing a better catalytic efficiency.…”
Section: Discussionmentioning
confidence: 89%
“…Graphene with UV irradiation synergistically functioned as the catalyst for hydrogen peroxide splitting, resulting in the enhancement of phenol's AOP. TiO 2 is a standard photocatalyst, in which Evonik P25 has been reported to completely degrade phenol 25 ppm in 400 min [28], and TiO 2 -coated quartz tube could degrade phenol of 100 mg/L within 4 h under UV irradiation [29]. Compared to both cases, the initial phenol concentration we used in this study (941.1 mg/L, 941 ppm) is much higher, showing a better catalytic efficiency.…”
Section: Discussionmentioning
confidence: 89%
“…In this investigation, we tested the antiviral activity of industrially coated AgNPs@TiO 2 tiles against the deactivation of SARS-CoV-2 in both dark and light conditions. The photocatalytic activity was already verified both on the bare powder and the industrially digitally printed ceramic tile, against different toxic air/water compounds such as organic dyes [27], drugs [28], and in abatement processes of NOx [29,30] and phenol [31]. Different bacteria strains were investigated, and both the complete degradation and the absence of the biofilm formation were also confirmed [26,32].…”
Section: Introductionmentioning
confidence: 88%
“…There are numerous substrates (supporting material) that have been used before including stainless steel [2], indium tin oxide (ITO) glass [3], porcelain grès tile [4], latex styrene butadiene rubber (LSBR) [5] and natural rubber (NR) [6]. These substrates, however, have many limitations for industrial applications, for instance, expensive and the possibility of photocatalyst leaching out during application.…”
Section: Introductionmentioning
confidence: 99%