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CARBONLETT, vol. 23, no. 1, pp.48-54, 2017

DOI: http://dx.doi.org/ DOI:10.5714/CL.2017.23.048

Effect of added mesophase pitch during the pitch synthesis reaction of PFO

Ji Hong Kim1,2, Jong Gu Kim1,3, Chul Wee Lee1,4, Ki Bong Lee2, and Ji Sun Im1,4,♠

Affiliation: 1C-Industry Incubation Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Korea
2Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Korea
3Department of Applied Chemistry and Biological Engineering, Chungnam National University, Daejeon 34134, Korea
4University of Science and Technology (UST), Daejeon 34113, Korea

Abstract: This research considers the effect of added mesophase pitch (MP) as an additive during the pitch synthesis reaction of pyrolyzed fuel oil (PFO). Two effects are generated by adding MP. One is an enhancement of thermal stability due to the high thermal property of the additive; the other is that the volatile compounds that were removed by vaporization of PFO during the thermal reaction can participate in the pitch synthesis reaction (PFO→pitch) more efficiently. The effect differs according to the amount of the additive. When the amount of the additive is less than 7 wt%, the first effect is dominant, whereas the second effect is dominant when the additive amount exceeds 10 wt%.

Keyword: pyrolyzed fuel oil, pitch, thermal reaction, mesophase, additive