2019
DOI: 10.3390/molecules24244499
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Evaluation of the Photocatalytic Activity of a Cordierite-Honeycomb-Supported TiO2 Film with a Liquid–Solid Photoreactor

Abstract: Anatase nanoparticles in suspension have demonstrated high photoactivity that can be exploited for pollutant removal in water phases. The main drawback of this system is the difficulty of recovering (and eventually reusing) the nanoparticles after their use, and the possible interference of inorganic salts (e.g., sulfates) that can reduce the performance of the photocatalyst. The present work describes the development of a cordierite-honeycomb-supported TiO2 film to eliminate the problems of catalyst recovery.… Show more

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Cited by 8 publications
(5 citation statements)
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“…Titanium dioxide Evonik P25 (85% anatase/15% rutile; Evonik Industries AG, Essen, Germany) has a Brunauer–Emmett–Teller specific surface area of 55 m 2 g –1 . Before usage, a photocatalyst suspension was cleaned by dialysis against Milli-Q grade water in order to remove inorganic ions that could affect the degradation . Finally, the suspension was frozen and freeze-dried to obtain a cleaned powder without any heat treatment.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Titanium dioxide Evonik P25 (85% anatase/15% rutile; Evonik Industries AG, Essen, Germany) has a Brunauer–Emmett–Teller specific surface area of 55 m 2 g –1 . Before usage, a photocatalyst suspension was cleaned by dialysis against Milli-Q grade water in order to remove inorganic ions that could affect the degradation . Finally, the suspension was frozen and freeze-dried to obtain a cleaned powder without any heat treatment.…”
Section: Methodsmentioning
confidence: 99%
“…Before usage, a photocatalyst suspension was cleaned by dialysis against Milli-Q grade water in order to remove inorganic ions that could affect the degradation. 13 Finally, the suspension was frozen and freezedried to obtain a cleaned powder without any heat treatment. The water used in the experiments was of Milli-Q quality.…”
Section: Introductionmentioning
confidence: 99%
“…The nanocrystalline TiO 2 powder used for the photocatalytic degradation experiments was TiO 2 Degussa P25 (80% anatase/20% rutile, mean particle size 40-50 nm, BET (Brunauer-Emmett-Teller) surface area 50 m 2 g −1 [34,35], plate-like particles with the relevant amount of surface steps, corners, and borders). The photocatalyst were purified from organic and ionic impurities, which can affect the photocatalyst activity [36] by UV irradiation of a water suspension (48 h), followed by several washings until no inorganic ions were detected by ion chromatography; then, the powder was dried at 80 • C for two hours.…”
Section: Methodsmentioning
confidence: 99%
“…Under optimal operating conditions, 78.6% removal efficiency and 99.5% CO 2 selectivity were achieved using the Ag/TiO 2 photocatalyst. Pellegrino et al 21 . investigated the use of a TiO 2 ‐coated CHM for real wastewater containing 0.15 g L −1 phenol at pH 6.5.…”
Section: Introductionmentioning
confidence: 99%