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Effect of Dielectrics on NOx Removal of Metal Particle-AI2O3 Barrier Reactor

금속파티클-AI2O3Barrier 반응기의 NOx 제거에 미치는 유전체 영향

  • 박재윤 (경남대학교 전기ㆍ전자공학부) ;
  • 김종석 (경남대학교 전기공학부) ;
  • 고희석 (경남대학교 전기ㆍ전자공학부) ;
  • 김형만 (인제대학교 기계공학부) ;
  • 배명환 (경상대학교 기계항공공학부)
  • Published : 2003.03.01

Abstract

In this paper, we made four types of metal particle $Al_2$O$_3$ barrier reactors with and without dielectric of BaTiO$_3$ between metal particle and $Al_2$O$_3$ barrier to investigate NOx removal characteristic and the effect of dielectric on Nox removal. And Nox removal rate is measured when sludge pellets are put at down stream of plasma reactor. Nox removal rate in the reactor with $Al_2$O$_3$ barrier is much better than that in the reactor without $Al_2$O$_3$ barrier, Nox removal rate is not so good in metal particle-Al$_2$O$_3$ barrier reactor with BaTiO$_3$ between metal particle and $Al_2$O$_3$ barrier, however, Nox removal rate is about 40% in metal particle-Al$_2$O$_3$ barrier reactor with TiO$_2$. The most of NO is conversed to NO$_2$ in these kind of reactor. When sludge pellets are put at down stream of plasma reactor, Nox removal rate is greatly improved up to 90%. It indicates that sludge pellets have great effect on the NO$_2$ removal and the improvement of Nox removal rate, however, dielectric materials between metal particle and $Al_2$O$_3$ barrier have not effect. Organic materials included in sludge may react with NO$_2$ and ozone so that Nox removal rate is greatly improved.

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