Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Analysis of Illegally Mixed Used Lube Oil in Bunker C

폐윤활유 불법혼입 C중유 물성 분석

  • Lim, Young-Kwan (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Lee, Jae-Min (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Kim, Wan-Sik (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Lee, Jeong-Min (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority)
  • 임영관 (한국석유관리원 석유기술연구소) ;
  • 이재민 (한국석유관리원 석유기술연구소) ;
  • 김완식 (한국석유관리원 석유기술연구소) ;
  • 이정민 (한국석유관리원 석유기술연구소)
  • Received : 2018.08.05
  • Accepted : 2018.09.24
  • Published : 2018.10.31
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Abstract

Bunker C is used in heavy-lift ships, furnaces, and boilers for generating heat, and power. Bunker C has only four regulations for quality standards and is rarely inspected in Korea. For these reasons, other oils such as used lubricant oil are commonly blended with Bunker C. This illegal mixture of fuel can damage the boilers, engines and affect the environment adversely. In this study, we investigate the fuel properties and perform atomic analysis of illegal Bunker C blended with used lube oil. The test results show that higher quantities of used lube oil in Bunker C have higher flash points, total acid numbers, copper corruption, solid contamination, and metal components. Further, increasing quantities of used lube oil in Bunker C cause lower viscosity, sulfur, and V content. However, adequate sample (approximately 1 L) is needed to evaluate presence of adulterants in Bunker C, we attempted the SIMDIST analysis. In the SIMDIST chromatogram, the used engine oils are detected for longer retention times than Bunker C owing to the high boiling point. We also quantitatively analyzed the lube oil content using SIMDIST.

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References

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