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C3-1
Corona
Induced Non-Thermal Plasma for Pollution Control and Sustainable
Technology
K.
Yan, E.J.M. van Heesch, and A.J.M. Pemen
Abstract
This paper reviews part of our
recent research and development on corona-induced plasma techniques
for pollution control and sustainable technology.
Our work includes investigations on characteristics of pulsed
corona discharge; plasma induced chemical kinetics, high-voltage
pulsed power generator, plasma reactor, exhaust gas cleaning, VOCs
and odor abatement, and tar removal from bio-gas.
Two 1-10 kW systems have been tested for more than one
hundred hours. Moreover,
a 10-30kW corona plasma system is also under construction for
industrial applications.
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C3-2
Simultaneous Removal of NOx and Carbon Soot From Diesel
Exhaust Using Discharge Plasma
Yoshihiko
Matsui, Aki Sakaguchi, Masayuki Hashimoto, Kazunori Takashima and
Akira Mizuno
Abstract
For cleaning of diesel exhaust,
removal of carbon soot and oxidation of collected soot has been
studied using pulsed discharge plasma.
Carbon soot is collected on a quartz fiber filter.
NO2 was absorbed to the collected soot layer.
When the soot layer was exposed to the pulsed plasma without
oxygen, CO2 was generated, indicating the oxidation of
soot using the oxygen in the absorbed NO2.
The experimental results indicate that the oxidation of soot
and the reduction of NO2 are depended on the O2
concentration in the pulsed plasma.
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C3-3
Experimental Study on the Plasma Gas Conditioning in Electrostatic
Precipitator
Y.J. Kim, S.H. Jeong, W.S. Hong,
J.S. Choi, C.H. Cho and S.C. Moon
Abstract
No Abstract
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C3-4
Simultaneous Removal of Fine Particulates, SO2, and NOx
by a Two-Stage Electrostatic Precipitators with Ferro-dielectric
Electrode Precharger
Yoshihiro
Kawada, Tadamitsu Kaneko, Tairo Ito and Jen-Shih Chang
Abstract
An experimental investigation has
been conducted to study performance of two-stage electrostatic
precipitators (ESP) with a ferro-dielectric electrode precharger for
the simultaneous removal of fine particle, NOx and SO2.
Two-stage ESP tested is consisted of wire-rod or quadrupole
type precharger and wire-plate ESPs.
Corona
wire of precharger was made of ferro-dielectric
materials with dielectric constant of 10,000 and rod electrode was
covered by glass barriers. Experiments
were conducted for the precharger applied voltage from 0 to 24kV
peak to peak for 60Hz, total gas flow 2.7 and 5.8Nm3/h,
and increase combustion dust loading from 20 to 50mg/m3 for
NOx and SO2 concentrations of 20 ppm and 10 ppm
respectively. The
results show that dust particle removal efficiency increase with
increasing precharger applied voltage and decreased with increasing
total gas flow rate for quadrupole type prechargers but no
significant removal efficiency improvements were observed for
wire-rod type prechargers.
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