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THERMAL CRACKING OF THE MODEL SEVEN COMPONENTS MIXED PLASTICS INTO OILS/WAXES

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Author(s): Martin Bajus | Elena Hájeková

Journal: Petroleum and Coal
ISSN 1337-7027

Volume: 52;
Issue: 3;
Start page: 164;
Date: 2010;
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Keywords: Thermal cracking | pyrolysis | mixed plastics | oil/waxes | characterization.

ABSTRACT
In a previous paper we have reported thermal cracking of individual and mixed plastics intooil/waxes. Now we are getting insight into thermal cracking of model seven components mixedplastics. Thermal cracking of mixture composed of high-density polyethylene (HDPE) /low-densitypolyethylene (LDPE) /linear-low-density polyethylene (LLDPE) /polypropylene (PP)/polyvinylchloride (PVC)/ polyethyleneterephthalate (PET) /polystyrene PS/ (HDPE/LDPE/LLPE/PP/PS/PET/PVC = 34.6/17.3/17.3/9.6./9.6./10.6/1.1 %wt.) was carried out in the batch reactor attemperatures from 350 to 500oC in atmospheric pressure. The main objective of this study wasconverting the seven components mixed plastics into oil/wax product for use as hydrocarbon fueloil or chemical feedstock. The effect of temeperature and reaction time have been studied toascertain the optimum conditions necessary for the production as well as to investigate the effectsof these parameters on the composition of pyrolysis products, with special emphasis on theoil/waxes.
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