Özet:

Pyrolysis is a thermal decomposition event that occurs as a result of heating organic materials in an oxygen-free environment. Biomass is converted into liquid products with high energy value by the catalytic pyrolysis process. Metal supported/unsupported MCM-41 catalysts were used as catalysts. Hydrothermal method was used for catalyst synthesis. For this purpose, in this study, crambe orientalis plant was pyrolyzed at 400 oC in the presence of 5% and 25% by mass MCM-41, MCM-41/Al, MCM-41/Fe catalysts. The highest upper calorific value for 5% and 25% by mass was obtained as 23.87 and 23.95 in the presence of MCM-41 catalyst, respectively. The catalysts were characterized by X-Ray diffraction (XRD), Scanning electron microscopy (SEM) with energy dispersive x-ray analysis (EDX) and energy dispersive spectroscopy (EDS) methods. The liquid products obtained were analyzed by gas chromatography- mass spectrometry (GC-MS), elemental and fouirer transform ınfrared spektrofotometre (FT-IR) analysis methods. According to the results obtained, Crambe orientalis plant has the potential to be used as a biomass source. Catalysts are effective on product composition.