Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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A study of Stability of Emulsion Fuel

에멀젼 연료의 안정성에 대한 연구

  • Kim, Moon-Chan (Department of Environmental Engineering,Cheongju University)
  • 김문찬 (청주대학교 환경공학과)
  • Received : 2020.09.23
  • Accepted : 2020.10.30
  • Published : 2020.10.31
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Abstract

In this study, emulsion fuel which contained water of 10 ~ 20% was prepared mixed with water and MDO(Marine Diesel Oil) which largely used in near sea. Diffusion stability of emulsion fuel was measured. Diffusion stability was measured at 30℃, 45℃, and 60℃ for 10 days respectively. The stability of the emulsion fuel was stabilized in the order of MDO-10 > MDO-13 > MDO-16 > MDO-20 and it means that the stability of the emulsion fuel was found to be stable in the order of low water content. Meanwhile, an engine dynamo-meter was used to test whether the manufactured emulsion fuel was actually available in the engine. The emulsified MDO emulsion fuel could be used as fuel for ships. For samples with more than 16% water added emulsion fuel, smoke was reduced by more than 50% in the load area of more than 50%, and nitrogen oxides were reduced by 20%.

본 연구에서는 근해에서 선박유로 많이 사용되는 MDO(Marine Diesel Oil)를 물과 함께 혼합하고 여기에 유화제를 첨가하여 물이 10 ~ 20% 첨가된 에멀젼 연료를 만들었다. 그리고, 이 에멀젼 연료의 분산 안정성을 측정하였다. 에멀젼 연료의 분산 안정성은 30℃, 45℃, 60℃에서 10일간 평가하였다. 에멀젼 연료의 안정성은 MDO-10 > MDO-13 > MDO-16 > MDO-20 순서로 물 함량이 적은 순으로 안정한 것으로 나타났다. 한편 제조된 에멀젼 연료가 실제로 엔진에서 사용 가능한지를 엔진 다이나모메터를 사용하여 실험하였다. 유화시킨 MDO 유화물은 선박용 연료로 사용이 가능하였다. 대기오염에 대하여 물이 16% 이상 첨가된 시료들은 50% 이상의 부하 영역에서 매연은 50% 이상 감소하였으며, 질소산화물은 20% 정도의 저감 효과가 있었다.

Keywords

References

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