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Characteristics of coal upgraded with heavy oils

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Abstract

We investigated the ability of an oil coating to upgrade Indonesian low-rank coal, which has a low ash content and a moisture content of approximately 30%. Proximate and ultimate analyses of the characteristics of coal samples containing different amounts of asphalt (ASP) and palm fatty acid distillate (PFAD) were studied, including the samples’ calorific values, crossing-point temperatures (CPT), specific surface areas, pore sizes, structural changes, and moisture readsorption. The results showed that the 0.5% PFAD-coated coal was the highest quality. This coal showed few physical and chemical changes, and it had a low surface area and a high CPT value.

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Authors and Affiliations

  1. Clean Fuel Center, Korea Institute of Energy Research, Daejeon, 305-343, Korea

    Eun Mi Jo, Dong Hyuk Chun, In Su Park, Sang Do Kim, Young Joon Rhim, Hokyung Choi, Jiho Yoo, Jeong Hwan Lim & Sihyun Lee

  2. Department of Green Energy Technology, Graduate School of Green Energy Technology, Chungnam National University, 99, Daehak-ro, Yuseong-gu, Daejeon, 305-764, Korea

    In Su Park

Authors
  1. Eun Mi Jo
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  2. Dong Hyuk Chun
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  3. In Su Park
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  4. Sang Do Kim
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  5. Young Joon Rhim
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  6. Hokyung Choi
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  7. Jiho Yoo
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  8. Jeong Hwan Lim
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  9. Sihyun Lee
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Correspondence to Dong Hyuk Chun.

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Jo, E.M., Chun, D.H., Park, I.S. et al. Characteristics of coal upgraded with heavy oils. Korean J. Chem. Eng. 31, 981–985 (2014). https://doi.org/10.1007/s11814-014-0017-3

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  • DOI: https://doi.org/10.1007/s11814-014-0017-3

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