NOx Removal Using Indriect Plasma oxidation and Chemical Hybrid Process Comparison of Air Radical Injection with Direct oxidation

Previous results have shown that the plasma-chemical hybrid process was effective for simultaneous removal of NOx, SOx and diesel particulate. In the present study, two types of plasma supplies, the direct oxidation method and the indirect plasma oxidation (air radical injection) method, were evalua...

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Bibliographic Details
Published inTransactions of the Japan Society of Mechanical Engineers Series B Vol. 71; no. 711; pp. 2816 - 2822
Main Authors FUJISHIMA, Hidekatsu, HARUNA, Shunji, KUROKI, Tomoyuki, OKUBO, Masaaki, YAMAMOTO, Toshiaki
Format Journal Article
LanguageJapanese
Published The Japan Society of Mechanical Engineers 25.11.2005
Subjects
Indirect Plasma Hybrid System
NO Oxidation
Non-equilibrium
NOx Removal
Plasma
Radical Injection
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Summary:Previous results have shown that the plasma-chemical hybrid process was effective for simultaneous removal of NOx, SOx and diesel particulate. In the present study, two types of plasma supplies, the direct oxidation method and the indirect plasma oxidation (air radical injection) method, were evaluated with regard to NO and NOx removal efficiencies and applied power. The air radical injection method showed that both NO and NOx removal efficiencies were better than those the direct oxidation method even at around 1/3 applied power. Furthermore, performance parameters of NO oxidation were investigated. As a result, more than 80% of NO removal efficiency was achieved when the ratio of air radical gas to exhaust gas was in the range of 20%.
ISSN:0387-5016
1884-8346
DOI:10.1299/kikaib.71.2816