Photocatalytic oxidation of gas-phase Hg0 by Fe-doped TiO2 hollow microspheres

2021 ◽  
Vol 291 ◽  
pp. 129538
Author(s):  
Zhaopeng Zhang ◽  
Xian Li ◽  
Dayong Guan ◽  
Yingchao Gao ◽  
Jiang Wu ◽  
...  
Keyword(s):  
Gas Phase ◽  
Photocatalytic Oxidation ◽  
Hollow Microspheres ◽  
Doped Tio2

Gas phase photocatalytic oxidation of toluene using highly active Pt doped TiO2

2010 ◽  
Vol 320 (1-2) ◽  
pp. 14-18 ◽  
Author(s):  
G. Colón ◽  
M. Maicu ◽  
M.C. Hidalgo ◽  
J.A. Navío ◽  
A. Kubacka ◽  
...  
Keyword(s):  
Gas Phase ◽  
Photocatalytic Oxidation ◽  
Doped Tio2 ◽  
Highly Active

Gas-phase photocatalytic oxidation of NO over palladium modified TiO2 catalysts

2008 ◽  
Vol 9 (9) ◽  
pp. 1941-1944 ◽  
Author(s):  
Zhongyi Sheng ◽  
Zhongbiao Wu ◽  
Yue Liu ◽  
Haiqiang Wang
Keyword(s):  
Gas Phase ◽  
Photocatalytic Oxidation ◽  
Oxidation Of No

scholarly journals Modified-TiO2 Photocatalyst Supported on β-SiC Foams for the Elimination of Gaseous Diethyl Sulfide as an Analog for Chemical Warfare Agent: Towards the Development of a Photoreactor Prototype

Catalysts ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 403
Author(s):  
Armelle Sengele ◽  
Didier Robert ◽  
Nicolas Keller ◽  
Valérie Keller
Keyword(s):  
Photocatalytic Oxidation ◽  
Chemical Warfare Agents ◽  
Chemical Warfare Agent ◽  
Chemical Warfare ◽  
Diethyl Sulfide ◽  
Tio2 Photocatalysts ◽  
Doped Tio2 ◽  
Model Molecule ◽  
Warfare Agents ◽  
Oxidation Efficiency

In the context of the increase in chemical threat due to warfare agents, the development of efficient methods for destruction of Chemical Warfare Agents (CWAs) are of first importance both for civilian and military purposes. Amongst possible methods for destruction of CWAs, photocatalytic oxidation is an alternative one. The present paper reports on the preparation of Ta and Sn doped TiO2 photocatalysts immobilized on β-SiC foams for the elimination of diethyl sulfide (DES) used as a model molecule mimicking Yperite (Mustard Gas) in gaseous phase. Photo-oxidation efficiency of doped TiO2 catalyst has been compared with TiO2-P25. Here, we demonstrate that the Sn doped-TiO2 with a Polyethylene glycol (PEG)/TiO2 ratio of 7 exhibits the best initial activity (up to 90%) but is deactivates more quickly than Ta doped-TiO2 (40% after 800 min). The activity of the catalysts is strongly influenced by the adsorption properties of the support, as β-SiC foams adsorb DES and other sulfur compounds. This adsorption makes it possible to limit the poisoning of the catalysts and to maintain an acceptable conversion rate even after ten hours under continuous DES flow. Washing with NaOH completely regenerates the catalyst after a firs treatment and even seems to “wash” it by removing impurities initially present on the foams.

TiO2 deactivation during the gas-phase photocatalytic oxidation of dimethyl sulfide

2004 ◽  
Vol 52 (1) ◽  
pp. 69-77 ◽  
Author(s):  
Nuria González-Garcı́a ◽  
José A Ayllón ◽  
Xavier Doménech ◽  
José Peral
Keyword(s):  
Gas Phase ◽  
Photocatalytic Oxidation ◽  
Dimethyl Sulfide

The rate of photocatalytic oxidation of aromatic volatile organic compounds in the gas-phase

2008 ◽  
Vol 42 (34) ◽  
pp. 7844-7850 ◽  
Author(s):  
Aikaterini K. Boulamanti ◽  
Christos A. Korologos ◽  
Constantine J. Philippopoulos
Keyword(s):  
Volatile Organic Compounds ◽  
Gas Phase ◽  
Organic Compounds ◽  
Photocatalytic Oxidation ◽  
Volatile Organic

Photocatalytic oxidation of gas-phase Hg0 by carbon spheres supported visible-light-driven CuO–TiO2

2017 ◽  
Vol 46 ◽  
pp. 416-425 ◽  
Author(s):  
Jiang Wu ◽  
Chaoen Li ◽  
Xiantuo Chen ◽  
Jing Zhang ◽  
Lili Zhao ◽  
...  
Keyword(s):  
Visible Light ◽  
Gas Phase ◽  
Photocatalytic Oxidation ◽  
Carbon Spheres ◽  
Visible Light Driven
Sign in / Sign up

Export Citation Format

Share Document