Nano Science and Technology Institute
Nanotech 2007 Vol. 2
Nanotech 2007 Vol. 2
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 2
 
Chapter 7: Enviroment, Health and Society
 

Characterization on Dioxin Emission of TiO2 Nanoparticle-Encapsulating Poly(vinyl chloride) (TEPVC) compared to conventional PVC

Authors:H. Yoo, S.H. Kim, A.R. Lee and S.-Y. Kwak
Affilation:Seoul National University, KR
Pages:598 - 601
Keywords:poly(vinyl chloride), PVC, dioxin, titanium dioxide, TiO2, incineration
Abstract:In our previous study, we first prepared TiO2 nanoparticle-encapsulating poly(vinyl chloride) (TEPVC) aiming at breakthrough to enhance the dispersibility of TiO2 nanoparticles in PVC matrix to maximize catalytic activities of TiO2 nanoparticles. The present study is aimed o measure and compare the amount of dioxin emitted from both TEPVC and PVC incineration, estimating the dioxin inhibition efficiency of TEPVC. TEPVC and PVC were first combusted in a well-controlled, small-scale incinerator at 700 C. Synthetic air (21% oxygen) was introduced as the air for combustion. The combustion gas was trapped using a thimble filter, water and diethylene glycol impingers in a cold-bath, and amberlite XAD-2 resin absorption tubes, sequentially along the stream. The thus-treated samples were extracted, spiked with internal standards, and purified through a multi-layer silica-gel column and alumina column. Finally, the samples were condensed and used for dioxin analysis based on HRGC/HRMS. The TEPVC shows reduced dioxin emission due to the enhanced dispersibility of TiO2 nanoparticles by nanoparticle encapsulation
Characterization on Dioxin Emission of TiO2 Nanoparticle-Encapsulating Poly(vinyl chloride) (TEPVC) compared to conventional PVCView PDF of paper
ISBN:1-4200-6183-6
Pages:838
Hardcopy:$139.95
 
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