• Title/Summary/Keyword: Heavy residual oil

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A Study of physical properties and application to new products from the Heavy Residual Feul oil as Raw Materials. (양산중질유의 대책에 따른 신제품 개발실용화에 관한 연구)

  • 김주항;강호근
    • Proceedings of the Korean Professional Engineer Association Conference
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    • 1984.12a
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    • pp.84-91
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    • 1984
  • Heavy Residual Fuel oils is a mixture of reduced crude from crude unit, bottom products from vacuum and/or catalytic cracking unit with distillate to meet the specification and generally used as Heavy Fuel Oil for large combustion engines, boilers, etc…. But this study was made to investigate Heavy Residual Fuel oils for using as industrial raw material and resulted the following possibilties as valuable raw material as well as Heavy Fuel Oil. 1) Production of straight asphalt through vacuum distillation unit. 2) Using straight asphalt from vacuum distillation unit for manufacturing of Blown Asphalts, Cut Back Asphalts, Emulsified Asphalts and Asphalt Compound, etc…. 3) Using waxy oil side streams for manufacturing of raw oil to be Lube Oil base stocks through solvent dewaxing. 4) Production of lube base oils from dewaxed raw oil through chemical treatments. 5) Manufacturing of paraffine wax from slack wax to be produced as by product of dewaxing process.

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Analysis on the Energy Balance and Performance Variation of the Power Plant by using the Heavy Residual Oil (중질잔사유 적용시 발전플랜트의 에너지 수지 및 성능 변화 분석)

  • Park, Ho-Young;Kim, Tae-Hyung
    • Journal of Energy Engineering
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    • v.17 no.2
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    • pp.107-115
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    • 2008
  • The numerical analysis of energy and material balance, and plant performance has been carried out when applying the heavy residual oil instead of heavy oil to the existing heavy oil power station. The performance analysis model has been constructed for A heavy oil power station in Korea, and the modeling results were compared with the design data in order to ensure the validity of the model, and further compared with the plant operation data. With the heavy residual oil, the simulation gave 315 MW in power output, which is higher than that of the heavy oil combustion, but the plant efficiency turned out to be lower. The sensitivity analysis of heat rate for the changes in cooling water and ambient temperature, flue gas recirculation and power output has provided valuable information for the optimal operation of the power station.

Performance Evaluation of Heavy Residual Oils in IGCC Plants (Heavy Residual Oil IGCC 플랜트 적용 성능 평가)

  • 이승종;윤용승;유진열;이정한
    • Proceedings of the Korea Society for Energy Engineering kosee Conference
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    • 1997.10a
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    • pp.9-16
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    • 1997
  • 원유 정제의 가장 heavy한 잔류물인 중잔유(heavy residual oil)의 IGCC 프랜트의 적용성능을 평가하기 위한 방안으로, 정적시스템 모사방법을 사용하여 중잔유를 발전 연료로 사용한 IGCC 플랜트를 모사하였다. 모사에 적용한 중잔유는 Visbreaker Residue와Butane Asphalt이며, 시스템 모사방법의 검증을 위해서, 중잔유의 가스화 반응 모사결과를 Shell사에서 발표한 실증자료와 비교하여 사용된 모사방법이 적절함을 입증한 후 이 결과를 이용하여 IGCC 플랜트에 대한 모사에 적용하였다.

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Studies on physical properties and application to new products from Heavy Residual Fuel Oil as Raw Materials (양산중질유(量産重質油)를 원료(原料)로한 신제품(新製品) 개발실용화(開發實用化)를 위(爲)한 조사연구(調査硏究))

  • Kim, Ju-Hang;Kang, Ho-Ken;Herh, Dong-Sub
    • Elastomers and Composites
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    • v.20 no.2
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    • pp.115-131
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    • 1985
  • Heavy residual fuel oils is a mixture of reduced crude from crude unit, bottom products from vacuum and/or catalytic cracking unit with distillate to meet the specification and generally used as heavy fuel oil for large combustion engines, boilers, etc$\cdots$. But this study was made to investigate heavy residual fuel oils for using as industrial raw material and resulted the following possiblities as valuable raw material as well as heavy fuel oil. 1) Production of straight asphalt through vacuum distillation unit. 2) Using straight asphalt from vacuum distillation unit for manufacturing of blown asphalts, cut back asphalts, emulsified asphalts and asphalt compound, rubber/asphalt sheet, etc$\cdots$. 3) Using waxy oil side streams for manufacturing of raw oil to be lube oil base stocks through solvent dewaxing. 4) Production of lube base oils and rubber process oils from dewaxed raw oil through chemical treatments. 5) Manufacturing of paraffine wax from slack wax to be produced as by product of dewaxing process.

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Study on Lacquer Formation in Combined of Marine Fuel Oil and Marine Lubricant Oil (선박용 연료유와 윤활유의 조합에 의한 락커 형성에 관한 연구)

  • Hong, Sung-Ho;Park, JongKuk;Ryoo, Young Seok
    • Tribology and Lubricants
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    • v.31 no.3
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    • pp.86-94
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    • 2015
  • We perform lacquer formation experiments with various combinations of marine fuel oils and lubricant oils. We also investigate the influences of base number (BN) in lubricant oil and sulfur content in fuel oil. A dissolution test with 10% dilute sulfuric acid and pull-off force test are accomplished to distinguish whether the residual layers are lacquering or not. The lacquering layers are dissolved by dilute sulfuric acid and have a strong pull-off force. Moreover, the calcium content detected in the residual layers is compared by energy dispersive x-ray spectroscopy (EDS). More calcium is detected in the lacquer layers than in other residual layers. Distillate fuels containing low sulfur levels are more prone to lacquering when mixed with lubricant oil with a high BN. On the other hand, residual fuels with a high sulfur content do not form lacquer. We investigate the effect of mixture volume ratio. The mixture with higher fuel oil content is more prone to generate lacquer. These experiments indicate that a lubricant with an appropriate BN should be used to prevent lacquer forming on the surfaces such as cylinder liners depending on the sulfur content of fuel oil.

Gasification Performance with Key Operating Variables Using a Heavy Residual Oil (중잔유 사용시 주요 운전 변수에 따른 가스화 성능 예측)

  • 이승종;윤용승
    • Proceedings of the Korea Society for Energy Engineering kosee Conference
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    • 2000.11a
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    • pp.49-54
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    • 2000
  • 중잔유(heavy residual oil)는 원유 정제 후 남는 원유의 잔여물로서, 세계적으로 정제공정(즉, SOx 및 NOx 방출량)과 정제물의 질에 대한 환경 규제가 계속 강화되고 있는 추세에비추어 다른 유류나 석탄에 비해 유황과 중금속(특히 바나듐)을 많이 포함하고 있는 중잔유를 환경적합적으로 활용하는 문제는 시급히 해결해야 하는 과제가 되고 있다.(중략)

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Compositional Characterization of Petroleum Heavy Oils Generated from Vacuum Distillation and Catalytic Cracking by Positive-mode APPI FT-ICR Mass Spectrometry

  • Kim, Eun-Kyoung;No, Myoung-Han;Koh, Jae-Suk;Kim, Sung-Whan
    • Mass Spectrometry Letters
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    • v.2 no.2
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    • pp.41-44
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    • 2011
  • Molecular compositions of two types of heavy oil were studied using positive atmospheric pressure photoionization (APPI) Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS). Vacuum gas oil (VGO) was generated from vacuum distillation of atmospheric residual oil (AR), and slurry oil (SLO) was generated from catalytic cracking of AR. These heavy oils have similar boiling point ranges in the range of 210-$650^{\circ}C$, but they showed different mass ranges and double-bond equivalent (DBE) distributions. Using DBE and carbon number distributions, aromatic ring distributions, and the extent of alkyl side chains were estimated. In addition to the main aromatic hydrocarbon compounds, those containing sulfur, nitrogen, and oxygen heteroatoms were identified using simple sample preparation and ultra-high mass resolution FT-ICR MS analysis. VGO is primarily composed of mono- and di-aromatic hydrocarbons as well as sulfur-containing hydrocarbons, whereas SLO contained mainly polyaromatic hydrocarbons and sulfur-containing hydrocarbons. Both heavy oils contain polyaromatic nitrogen components. SLO inludes shorter aromatic alkyl side chains than VGO. This study demonstrates that APPI FT-ICR MS is useful for molecular composition characterization of petroleum heavy oils obtained from different refining processes.

Effects of Organic Amendments on Heavy Mineral Oil Biodegradation (중질유 오염토양의 생물학적 처리에 있어 amendments의 효과)

  • Lee, Sang-Hwan;Kim, Eul-Young;Choi, Ho-Jin
    • Journal of Soil and Groundwater Environment
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    • v.12 no.5
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    • pp.54-63
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    • 2007
  • To examine the effects of amendments on heavy mineral oil degradation, a pilot scale experiment was conducted for over 105days. During the experiment, soil samples were collected and analyzed periodically for the determination of residual hydrocarbon and microbial activities. At the end of the experiment, the initial level of contamination ($6,205{\pm}173mgkg^{-1}$) was reduced by $33{\sim}45%$ in the amendment amended soil; whereas only 8% of the hydrocarbon was eliminated in the non-amended soil. Heavy mineral oil degradation was much faster and more complete in compost amended soils. Enhanced dissipation of heavy mineral oil in compost amended soil might be derived from increased microbial activities (respiration, microbial biomass-C) and soil enzyme activity(lipase, dehydrogenase, and FDA hydrolase) were strongly correlated with heavy mineral oil biodegradaton (P < 0.01).

Upgrading of Heavy Oil or Vacuum Residual Oil : Aquathermolysis and Demetallization (중질유 혹은 감압잔사유의 개질 반응 : Aquathermolysis와 Demetallization)

  • Lee, Hoo-Cheol;Park, Seung-Kyu
    • Applied Chemistry for Engineering
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    • v.27 no.4
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    • pp.343-352
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    • 2016
  • It has been estimated that the Earth has nearly 1.688 trillion barrels of crude oil, which will last 53.3 years at current extraction rates. The organization of petroleum exporting countries (OPEC) group forecasted that the oil prices will not jump to triple-digit territory within a decade, but it can quickly increase as the political issue for reducing oil production appears. With the potential of serious shortage of conventional hydrocarbon resources, the heavy oil, one of unconventional hydrocarbon resources including oil sand and natural bitumen has attracted worldwide interest. The heavy oil contains heavy hydrocarbon compounds, commonly called as resins and asphaltenes, with long carbon chains more than sixty carbon atoms. The high content of heavier fraction corresponds with the high molecular weight, viscosity, and boiling point. Physicochemical properties of residues from vacuum distillation of conventional oil, referred to as vacuum residues (VR) were similar to those of heavy oil. For the development of heavy oil reserves, reducing the heavy oil viscosity is the most important. In this article, commercially employed aquathermolysis processes and their application to VR upgrading are discussed. VR contains transition metals such as Ni and V, but these metals should be eliminated in advance for further refining. Recent studies on demetallization technologies for VR are also reviewed.