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Environmental Engineering Research 2004;9(1): 31-37. DOI: https://doi.org/10.4491/eer.2004.9.1.031
PYROLYSIS OF PLASTIC WASTES USING THE NON-CATALYTIC HAMBURG-PROCESS AND A CATALYTIC PROCESS USING THE CYCLED-SPHERES-REACTOR
Joo-Sik Kim
Faculty of Environmental Engineering, University of Seoul, 90, Jeonnong-Dong, Dongdaemun-Gu, Seoul 130-743, Korea
Corresponding Author: Joo-Sik Kim ,Tel: +82-2-2210-5621, Fax: +82-2-2244-2245, Email: joosik@uos.ac.kr
Received: April 16, 2003;  Accepted: February 8, 2004.
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ABSTRACT
Mixed waste plastics from the DSD (Duales System Deutschland) were degraded by the Hamburg-Process using a fluidized-bed. The experiments purposed to obtain oils and heat-providing gas. Experimental results from the laboratory-scale- and pilot-scale- Hamburg Process were compared and analyzed. The most important products were BTX and styrene. On the other hand, a commercially available sample of polyethylene was decomposed over zeolites in the cycled-spheres-reactor. In the experiments, Y-type zeolites showed lower activity and higher deactivation than H-ZSM-5. H-ZSM-5 and Y-type zeolite of higher module showed less deactivation, but lower activity than those of lower module.
Keywords: Pyrolysis | BTX-aromatics | Zeolite | Fluidized-bed | Cycled-Spheres-Reactor
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