Study of the Pyrolysis Product of Waste Plastic Fractions in ASR using a Twin Auger Pyrolysis System 


Vol. 30,  No. 4, pp. 322-329, Dec.  2024
10.7464/ksct.2024.30.4.322


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  Abstract

In this study, the properties of the pyrolysis products of plastics, primarily consisting of sorted high crystalline polypropylene (HCPP) in automobile shredder residue (ASR), at reaction temperatures ranging from 380 to 530 oC were investigated. The pyrolysis was conducted using a twin auger pyrolysis system and the yield and properties of the pyrolysis oil were observed as the reaction temperature changed. The optimal yield of pyrolysis oil was 38 wt% at a reaction temperature of 428 oC. According to the results of the GC-MS analysis, the concentration of aromatic compounds in the pyrolysis oil increased as the reaction temperature increased. The primary compounds were benzene, xylene, and toluene, and oxygen and nitrogen compounds were detected in significant amounts. Based on the results of the GC-MS analysis, the hydrocarbons were sorted by carbon number in order to analyze the naphtha content. The pyrolysis gas and char were analyzed by using GC-TCD/FID and ICP-OES instruments, respectively. The concentration of propene gas was the highest, and as the temperature increased, more methane gas was produced. In the case of the char, alkaline earth metals such as calcium and magnesium, as well asi ron, were detected, and the effects of these metals on the pyrolysis oil yield were investigated.

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  Cite this article

[IEEE Style]

H. Kim, J. Kim, S. Kim, S. Chun, D. Jung, S. Jeong, "Study of the Pyrolysis Product of Waste Plastic Fractions in ASR using a Twin Auger Pyrolysis System," Clean Technology, vol. 30, no. 4, pp. 322-329, 2024. DOI: 10.7464/ksct.2024.30.4.322.

[ACM Style]

Hyeong-jin Kim, Jong-su Kim, Seung-young Kim, Seung-kyu Chun, Dae-Sung Jung, and Soo-hwa Jeong. 2024. Study of the Pyrolysis Product of Waste Plastic Fractions in ASR using a Twin Auger Pyrolysis System. Clean Technology, 30, 4, (2024), 322-329. DOI: 10.7464/ksct.2024.30.4.322.

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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