Photocatalytic oxidation of gas-phase elemental mercury by nanotitanosilicate fibers.

Abstract:

:Photocatalytic fibers were generated from the continuous evaporation of titanium tetraisopropoxide with tetraethyl orthosilicate through a flame burner. The morphology, the crystal form, and the components of the nanotitanosilicate fibers were analyzed by Raman spectroscopy, Field emission-scanning electron microscope, X-ray diffraction, and Brunauer-Emmett-Teller surface area analysis. The nanotitanosilicates prepared by three different carrier gases (air, N(2), and Ar) were tested for their photocatalytic ability to remove/oxidize gas-phase elemental mercury. Under UV black light, the Hg(0) capture efficiencies were 78%, 86%, and 85% for air, N(2), and Ar, respectively. For air, the value was close to 90%, even under household fluorescent light. The Hg(0) capture efficiency by nanotitanosilcate was measured under fluorescent light, UV black light, and sunlight.

journal_name

Chemosphere

journal_title

Chemosphere

authors

Jeon SH,Eom Y,Lee TG

doi

10.1016/j.chemosphere.2007.11.050

subject

Has Abstract

pub_date

2008-03-01 00:00:00

pages

969-74

issue

5

eissn

0045-6535

issn

1879-1298

pii

S0045-6535(07)01497-X

journal_volume

71

pub_type

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