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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.50  No.8 (2009)  >  pp.2087-2091

MATERIALS TRANSACTIONS
<<Previous article Vol.50  No.8 (2009)   pp.2087 - 2091 Next article>>

Fixation of Powdered TiO2 onto Metal Substrates by Electrophoretic Deposition and Its Use for Complete Decomposition of Volatile Organic Compounds

A. Maki1), T. Ebara1) and Jin Mizuguchi1)
1) Graduate School of Engineering, Yokohama National University

We are so far involved in complete decomposition of organic wastes as well as volatile organic compounds (VOC) by the use of thermally generated holes in TiO2. In view of the practical use of the present system, fixation of TiO2 powders onto a substrate seems to be the core technology. To realize this, we have tried in the present investigation to fix powdered TiO2 onto SUS meshes or Ni-Cr wires by means of electrophoretic deposition. We have constructed two kinds of equipment. One is a cartridge system which includes ten pieces of the mesh disk coated with TiO2 that are arranged vertically. The other is a “heater-built-in” system with a triple-coaxial structure equipped with Ni-Cr/Cr2O3/TiO2 wires. The former is used in combination with an external furnace; whereas the latter is a stand-alone system. Both systems exhibit excellent performance to completely decompose VOC into H2O and CO2.


Keyword:
volatile organic compounds (VOC), titanium dioxide, oxide semiconductor, thermal activation, electrophoretic deposition

Received: February 25, 2009
Accepted: June 01, 2009 , Published online: July 25, 2009
Copyright (c) 2009 The Japan Institute of Metals

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