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Received June 30, 2013
Accepted January 12, 2014
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Characteristics of coal upgraded with heavy oils
Eun Mi Jo1
Dong Hyuk Chun1†
In Su Park1 2
Sang Do Kim1
Young Joon Rhim1
Hokyung Choi1
Jiho Yoo1
Jeong Hwan Lim1
Sihyun Lee1
1Clean Fuel Center, Korea Institute of Energy Research, Daejeon 305-343, Korea 2Department of Green Energy Technology, Graduate School of Green Energy Technology, Chungnam National University, 99, Daehak-ro, Yuseong-gu, Daejeon 305-764, Korea
cian@kier.re.kr
Korean Journal of Chemical Engineering, June 2014, 31(6), 981-985(5), 10.1007/s11814-014-0017-3
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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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Carras JN, Young BC, Prog. Energy Combust., 20, 1 (1994)
Choi H, Thiruppathiraja C, Kim S, Rhim Y, Lim J, Lee S, Fuel Process. Technol., 92(10), 2005 (2011)
Jo W, Choi H, Kim S, Yoo J, Chun D, Rhim Y, Lim J, Lee S, Korean J. Chem. Eng., 30(5), 1034 (2013)
Weiquing Z, Shuguang J, Kai W, Lanyun W, Zhengyan W, Liwen K, Xiaorui J, Procedia Eng., 26, 480 (2011)
Ohki A, Xie X, Inakajima T, Itahara T, Maeda S, Coal Prep., 21, 23 (1999)
Tahmasebi A, Yu JL, Han YN, Yin FK, Bhattacharya S, Stokie D, Energy Fuels, 26(6), 3651 (2012)
Tahmasebi A, Yu JL, Bhattacharya S, Energy Fuels, 27(1), 154 (2013)
Kim HS, Nishiyama Y, Ideta K, Miyawaki J, Matsushita Y, Park JI, Mochida I, Yoon SH, J. Ind. Eng. Chem., 19(5), 1673 (2013)
Brunauer S, Emmett PH, Teller E, J. Am. Chem. Soc., 60, 309 (1938)
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Rouquerol F, Rouquerol J, Sing K, Adsorption by powders and porous solids, Academic Press, London (1999)
