Production of Hydrogen from Plastics by Pyrolysis and Catalytic Steam Reform

Thermal decomposition of the most common plastics such as polyethylene and polypropylene produces a mixture of many different hydrocarbons that can be used as a feedstock for producing hydrogen. The proposed process includes two steps:  pyrolysis of plastics and catalytic steam reforming of pyrolysi...

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Bibliographic Details
Published in:Energy & fuels 2006-03, Vol.20 (2), p.754-758
Main Authors: Czernik, Stefan, French, Richard J
Format: Article
Language:English
Subjects:
08 HYDROGEN
Alternative fuels. Production and utilization
Applied sciences
BioPower
Energy
Exact sciences and technology
Fuels
HYDROGEN
PLASTICS
PRODUCTION
PYROLYSIS
STEAM
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Summary:Thermal decomposition of the most common plastics such as polyethylene and polypropylene produces a mixture of many different hydrocarbons that can be used as a feedstock for producing hydrogen. The proposed process includes two steps:  pyrolysis of plastics and catalytic steam reforming of pyrolysis gases and vapors. This research provides a proof of concept supported by experiments on selected polymers performed using a microscale reactor system interfaced with a molecular beam mass spectrometer and demonstrates process performance using a two-reactor bench-scale system. From 60 g/h polypropylene fed to the system 20.5 g/h hydrogen was produced, which corresponds to 80% of the theoretical potential.
ISSN:0887-0624
1520-5029
DOI:10.1021/ef050354h