Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1997-05-09
1998-09-08
Tran, Hien
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422173, 422176, 422177, 422186, 42218604, 422220, 422906, 422907, 60275, 60299, 21912136, 416238, F01N 310
Patent
active
058041494
ABSTRACT:
Gas-cleaning equipment is disclosed, which comprises a housing having an intake vent and an exhaust vent and having disposed between the two vents a fan having at least one rotating blade. Air pollutant-removing system using the gas-cleaning equipment is also disclosed. This gas-cleaning equipment can effectively clean a gas through the action of plasma produced by glow discharge caused by rotation of said fan. When a metal layer having a catalytic activity is fixed onto the surface of said rotating blade, this metal layer also functions to effectively clean the gas. In the case where both the plasma and the metal layer function to clean the gas, there car be obtained synergistic effects. Cleaning of the gas can be conducted with more efficiency by bringing the intake gas into contact with the fan in an oxygen-free state. A magnet provided as an outer wall of the housing serves to generate plasma with higher density, leading to more effective cleaning of the gas. As the metal layer showing catalytic activity, at least one noble metal selected from the group consisting of platinum, palladium, ruthenium and rhodium. This gas-cleaning equipment shows markedly excellent gas-cleaning ability considering its compact size, and can remove air pollutants particularly when applied to the exhaust system of automobiles or to outdoor structures such as buildings or props.
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Hayashi Yuji
Kobayashi Daihei
Ota Hiroaki
Sakamoto Fujio
Yanobe Takeshi
Fujitsu Limited
Hokushin Industries, Inc.
Tran Hien
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