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Removal of Dimethyl Sulfide Utilizing Activated Carbon Fiber-supported Photocatalyst in Continuous-flow System by W.K. Jo; S.H. Shin; E.S. Hwang is a Environmental Science article available to read on EtoBox.

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The present study investigated the adsorptional photocatalytic decomposition (APD) efficiency of activated carbon fiber-supported TiO 2 (ACF/TiO 2 ) in a continuous-flow reactor for the removal of dimethyl sulfide (DMS). The SEM analysis identified that the ACF/TiO 2 exhibited the same tridimensional shape as uncovered ACF and that a TiO 2 photocatalyst could be embedded in the surface of the ACF. In the absence of UV light, the time-series removal efficiencies by ACF and the ACF/TiO 2 units exhibited a similar pattern, which decreased gradually as it reached close to zero. However, the APD efficiency determined via the ACF/TiO 2 with UV light remained at nearly 60% during the remaining courses of the 13-h period, after decreasing from a maximum APD of 80%. The APD efficiencies depended upon the weights of the TiO 2 embedded into the ACFs, the UV sources, the relative humidity, and DMS input concentrations. During a long-term (219-h) APD test, the APD efficiencies dropped from 80% to ca 60% within 1 h after the initiation of the APD process and then fluctuated between 52% and 60%. No byproducts were measurable or observable in the effluent gas or on the ACF/TiO 2 surface. Consequen

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Author

W.K. Jo; S.H. Shin; E.S. Hwang

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0304-3894)

Published

2011

Language

EN

Field

Environmental Science (Physical Sciences)