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Utilization of liquid product through pyrolysis of LDPE and C/LDPE as commercial wax

2021    Akgun, Hasret; Yapici, Ece; Gunkaya, Zerrin; Ozkan, Aysun; Banar, Mufide

In this study, pyrolysis of low-density polyethylene (LDPE) and LDPE with aluminum (C/LDPE) wastes was carried out with different heating rates (5, 10, 20 degrees C/min) at different temperatures (400, 600, 800 degrees C). Product yields of LDPE and C/LDPE wastes were compared, and optimum liquid products were analyzed to utilize as commercial waxes for future use. The properties of pyrolyzed wastes was investigated with proximate, elemental analysis, and TGA. The as-produced liquid from pyrolysis of wastes was characterized by different characteristic tools, such as elemental analyses, GC-MS analyses, 1H-NMR tests, FT-IR spectra, the density, melting point, and carbon residue to compare commercial waxes. As a result of pyrolysis, the highest liquid product yield was achieved at 800 degrees C with 5 degrees C/min heating rate (85.87%) and at 600 degrees C with 5 degrees C/min heating rate (71.3%) for LDPE and C/LDPE, respectively. The results indicated that the derived liquid products are similar to commercial heavy wax.