Journal of Energy Engineering (에너지공학)

The Korean Society for Energy (한국에너지학회)
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A Study on the Performance and Exhaust Emissions Characteristics of LPG Engine using LPG Fuel with New Sulfur Free Odorant

새로운 비황분계 부취제 혼합 LPG 연료의 엔진성능과 배출가스 특성에 관한 연구

  • Kim, Jae-Kon (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority(K-Petro)) ;
  • Yim, Eui Soon (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority(K-Petro)) ;
  • Min, Kyong-Il (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority(K-Petro)) ;
  • Jung, Choong-Sub (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority(K-Petro))
  • 김재곤 (한국석유관리원 석유기술연구소) ;
  • 임의순 (한국석유관리원 석유기술연구소) ;
  • 민경일 (한국석유관리원 석유기술연구소) ;
  • 정충섭 (한국석유관리원 석유기술연구소)
  • Received : 2014.07.21
  • Accepted : 2014.09.15
  • Published : 2014.09.30
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Abstract

In general, odorants are added to fuel gases, such as LPG, LNG and city gas, to prevent gas poisoning, ignition, explosion, or other accident caused by fuel gases, and to enable immediate and easy detection of fuel-gas leakage by emitting an offensive smell. This study describes a study on the performance and exhaust emissions (CO, THC, $CO_2$, $NO_x$, $SO_2$) characteristics of liquefied petroleum gas (LPG) engine using LPG fuel with new sulfur free odorant (K-Petro S-Free). New sulfur free odorant (40 mg/kg) was added to 2 type LPG fuels for summer, and winter and it was used in performance and exhaust emissions, compare to LPG fuel with sulfur containing odorant (EM, ethyl mercaptan). Engine performance using LPG with sulfur free odorant was similar to LPG with sulfur-containing odorant. Exhaust emissions (CO, THC, $CO_2$, $NO_x$) of LPG with sulfur free odorant were also similar characteristics, compare with sulfur containing odorant. Especially, $SO_2$ emission using LPG with K-Petro S-Free odorant was more reduced 83 % than LPG with sulfur containing odorant(EM) at 2000 rpm.

일반적으로 황분계 부취제는 연료가스에 인한 가스중독, 발화, 폭발 등의 사고를 방지하고, 배출가스에 의해 연료 가스 누출의 즉각적으로 손쉽게 검출할 수 있도록 LPG, LNG 그리고 도시가스와 같은 연료가스에 첨가 사용하고 있다. 본 연구에서는 새로운 비황분계 부취제(K-Petro S-Free)를 사용한 LPG 혼합연료의 엔진 성능과 배출가스(CO, THC, $CO_2$, $NO_x$, $SO_2$ ) 특성을 살펴보았다. 새로운 비황분계 부취제를 40mg/kg를 혼합한 LPG 연료(여름용, 겨울용)와 현재 사용 중인 황분계 부취제 (EM, ethyl mercaptan)를 혼합한 LPG 연료의 엔진 성능과 배출가스 특성을 실험하였다. 비황분계 부취제를 혼합한 LPG 연료의 엔진 성능은 황분계 부취제를 혼합한 LPG 연료와 비교할 때 비슷한 결과를 보여 주었다. 한편, 비황분계 부취제를 혼합한 LPG 연료의 엔진 배출가스 중 CO, THC, $CO_2$, $NO_x$은 황분계 부취제를 혼합한 LPG 연료와 비교할 때 비슷한 특성을 보였다. 그러나 2,000rpm에서 배출가스 중 $SO_2$은 비황분계 부취제를 혼합한 LPG 연료가 황분계 부취제를 혼합한 LPG 연료보다 83% 감소하는 우수한 결과를 보였다.

Keywords

References

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  1. A Study on the Exhaust Emissions Characteristics of LPG Vehicle using LPG Fuel with Sulfur Free Odorant vol.30, pp.6, 2014, https://doi.org/10.5572/KOSAE.2014.30.6.545