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Abundant High-Density Polyethylene (HDPE-2) Turns into Fuel by Using of HZSM-5 Catalyst

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Author(s): Moinuddin Sarker | Mohammad Mamunor Rashid | Mohammed Molla

Journal: Journal of Fundamentals of Renewable Energy and Applications
ISSN 2090-4533

Volume: 1;
Start page: 12 pages;
Date: 2011;
Original page

Keywords: HDPE-2 | hydrocarbon | thermal degradation | GC/MS | fuel | catalyst

ABSTRACT
The thermal degradation of high-density polyethylene (HDPE-2) was conducted in a fiber glass reactor system at a reaction temperature between 370 °C and 420 °C and a reaction time of 4 hours using HZSM-5 molecular sieves as catalyst to obtain hydrocarbon liquid fuel. Reactions in the reactor changed the polymer structures breaking down the long chain hydrocarbons to form shorter ones thus forming a hydrocarbon chain range between C₃ and C₂₈. The gas chromatography and mass spectrometer were used to determine the range of trace mass hydrocarbon present in the liquid fuel. The presence of the HZSM-5 catalyst accelerated the reaction rate and improved the quality of the liquid fuel produced. The experiment process produced gaseous products in the range of C₁–C₄. To obtain hydrocarbon fuel, gross heat of combustion is 123,845 BTU/gal, API gravity is 53.70 °API and sulfur contains 3.05 ppm. The liquid hydrocarbon product is mainly alkane and some alkene groups which resemble aliphatic groups and also some aromatic groups are present.
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