Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
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Fabrication and Characteristics of Diesel Particulate Filters (I)

Diesel Particulate Filter의 특성 및 제조방법 (I)

  • Yang, Jin (Ssangyong Research Center, Environment & Resources Research Team)
  • 양진 (쌍용중앙연구소 환경자원연구실)
  • Published : 1998.09.01
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Abstract

The atmospheric pollution by diesel emission is mainly attributed to particulate matters and NO$_x$. Their regulation limits have become tighter. This paper reviews the characteristics and the fabrication method of the diesd particulate filter(DPF) which is used to control the particulate matters of diesel emission. First the constituent of particulate matters and the regulation standard are discussed and then the state of the art post-treatment system is reviewed. The materials, the fabrication method and the control of thermal expansion of the ceramic honeycomb filter, which is widely used as the DPF, are also reviewed.

경유자동차에 의한 오염물질의 배출은 주로 입자상물질과 NO$_x$가 문제시되고 있는데 특히 입자상물질은 각종 호흡기질환의 원인 등으로 간주되어 이의 규제가 국내외적으로 강화되고 있다. 본 고에서는 이러한 입자상 물질을 제거하기 위하여 사용되는 각종 필터의 특성 및 제조방법에 대하여 알아보고자 하였다. 이를 위하여 먼저 경유자동차에서 발생하는 오염물질 및 이의 규제현황에 대하여 다루었으며 각종 후처리장치의 종류 및 개발현황에 대하여 언급하였다. 다음으로 가장 일반적으로 사용되어지는 필터인 세라믹 하니컴 필터를 중심으로 하여 원료 및 소재, 제조방법 그리고 열팽창계수의 조절 등에 대하여 논하였다.

Keywords

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