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Fabrication of a TiO 2 nanoparticles impregnated titanium mesh fi lter and its application for environmental purifi cation

TiO2-impregnated titanium mesh filter (TMiP) elaborated by electrochemical anodization of the titanium mesh, followed by dip coating into TiO2 anatase solution, was used for the removal of cigarette smoke as a principal indoor air pollutant. The TMiP catalyst revealed high activity for the removal of ammonium, nicotine, 3-ethenylpyridine, and tar, which constitute some of the volatile and nonvolatile compounds of cigarette smoke. As a practical application, an air purifier has been developed and tested for the removal of cigarette smoke.

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