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Composite photocatalyst based on TiO2- active carbon

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F17%3A43913860" target="_blank" >RIV/60461373:22310/17:43913860 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Composite photocatalyst based on TiO2- active carbon

  • Original language description

    Composite photocatalysts based on TiO2 - active carbon (AC) are promising materials for pollutant removal due to the combination of high adsorption ability of AC and photocatalytic activity of TiO2. The objective of this work was to determine the influence of the TiO2/AC fraction on the photocatalytic efficiency of pollutant removal in gaseous (using standard ISO methods) and liquid phase. It was observed that the composite photocatalyst TiO2-AC exhibits a synergistic increase of pollutant removing ability which can be demonstrated on removal of NOx from the gaseous phase. In the case of pure TiO2, under UV irradiation the concentration of inlet NO decreases but the concentration of NO2 (in fact more toxic than the initial NO) increases. This is caused by the accumulation of HNO3 on the surface of TiO2 which reacts with NO to NO2. Composites TiO2-AC exhibit much higher resistance to nitric acid accumulation compared to pure TiO2 due to the significantly higher surface area (460 m2/g) in relation to pure TiO2 (45 m2/g).

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Result continuities

  • Project

    <a href="/en/project/LTACH17007" target="_blank" >LTACH17007: Composite TiO2 - active coke based photocatalyst for water and air purification</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    X. konference Pigmenty a pojiva

  • ISBN

    978-80-906269-2-8

  • ISSN

  • e-ISSN

    neuvedeno

  • Number of pages

    7

  • Pages from-to

    18-24

  • Publisher name

    CHEMAGAZÍN s.r.o.

  • Place of publication

    Pardubice

  • Event location

    Seč

  • Event date

    Nov 6, 2017

  • Type of event by nationality

    CST - Celostátní akce

  • UT code for WoS article