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http://dx.doi.org/10.14478/ace.2015.1023

Synthesis of Pitch from PFO, Byproduct of Naphtha Cracking Process Using UV Irradiation and AlCl3 Catalyst  

Jung, Min-Jung (Department of Applied Chemistry and Biological Engineering, Chungnam National University)
Ko, Yoonyoung (Department of Applied Chemistry and Biological Engineering, Chungnam National University)
Lee, Young-Seak (Department of Applied Chemistry and Biological Engineering, Chungnam National University)
Publication Information
Applied Chemistry for Engineering / v.26, no.2, 2015 , pp. 224-228 More about this Journal
Abstract
The carbon precursor pitch from pyrolyzed fuel oil (PFO), by-product of Naphta cracking process (NCC), was prepared through heat and UV irradiation treatments with various concentrations of $AlCl_3$, which is a new pitch preparation method. The reformed pitches were characterized by measuring their elemental composition, chemical structure of components, molecular weight distribution, and softening point. The oxygen contents of reformed pitch increased as increasing $AlCl_3$ amounts on the other hand, the carbon and hydrogen contents were not nearly changed. UV irradiated reformed pitches were composed of more aromatic carbon compounds than that of using only heat-treatment without any UV irradiation. The addition of $AlCl_3$ catalyst was ineffective on the aromaticity of reformed pitches. The softening point of prepared pitches was in the range of $103.3{\sim}168.9^{\circ}C$. Also the yield of prepared pitch increased from 48% to 80% when 5 wt% of $AlCl_3$ was added during the heat and UV irradiation reforming. It is expected that the UV irradiation reforming method can be practical and helpful to produce high yields of pitches with diverse properties.
Keywords
Pyrolysis fuel oil; Pitch; UV irradiation; Reforming; $AlCl_3$;
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Times Cited By KSCI : 6  (Citation Analysis)
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