A NEW GAS PHASE PHOTOCATALYTIC REACTOR FOR CO2 CONVERSION: OPTIMAL PHOTOREDUCTION CONDITIONS WITH TiO2 P25 PHOTOCATALYST

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27710%2F15%3A10238617" target="_blank" >RIV/61989100:27710/15:10238617 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
A NEW GAS PHASE PHOTOCATALYTIC REACTOR FOR CO2 CONVERSION: OPTIMAL PHOTOREDUCTION CONDITIONS WITH TiO2 P25 PHOTOCATALYST
Original language description
In this work, a new gas phase photocatalytic reduction system was designed to convert CO2 into fuels. The optimal conditions (such as humidity, initial concentration of CO2 and the placement of powder photocatalyst in the reactor) for CO2 photocatalytic reduction were systematically investigated with the commercial photocatalyst TiO2 Evonik P25 in the homemade gas phase reactor. Methane (CH4) and hydrogen (H2) were the main products. Also carbon monoxide (CO) was detected. The photocatalytic reduction rate was decreasing with increasing dilution of CO2 by Helium. The humidity is the key role for the CO2 photocatalytic reduction as the source of needed H+ and hydroxyl radicals, the best value of relative humidity was experimentally set to 51.8% leading to the highest yields of all products (CH4, H2 and CO). In addition, the photocatalytic conversion was also influenced by the different placement of photocatalyst, the perfectly spread sample which possessed more effective gas-solid contact showed higher conversion than that of piled one
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
NANOCON 2015: 7th international conference : proceedings of abstracts
ISBN
978-80-87294-59-8
ISSN
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e-ISSN
neuvedeno
Number of pages
6
Pages from-to
236-241
Publisher name
Tanger
Place of publication
Ostrava
Event location
Brno
Event date
Oct 14, 2015
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000374708800041

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