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Pyrolysis of marine biomass to produce bio-oil and its upgrading using a novel multi-metal catalyst prepared from the spent car catalytic converter
- Sabegh, Mahzad Yaghmaei, Norouzi, Omid, Jafarian, Sajedeh, khosh, Akram Ghanbari, Tavasoli, Ahmad
- Bioresource technology 2018 v.249 pp. 473-478
- Cladophora glomerata, Fourier transform infrared spectroscopy, X-ray diffraction, biofuels, biomass, catalysts, energy-dispersive X-ray analysis, gasification, nitrogen compounds, pyrolysis, scanning electron microscopy, temperature, thermal stability
- In order to reduce the economic and environmental consequences caused by spent car catalyst, we herein report for the first time a novel promising multi-metal catalyst prepared from spent car catalytic converters to upgrade the pyrolysis bio-oils. The physico-chemical properties of prepared catalyst were characterized by XRD, EDS, FESEM, and FT-IR analyses. The thermal stability of the multi-metal catalyst was studied with TGA. To investigate the activity of the catalyst, Conversion of Cladophora glomerata (C. glomerata) into bio-products was carried out via a fixed bed reactor with and without catalyst at the temperature of 500°C. Although the catalyst didn’t catalyze the gasification reaction, bio-oil was upgraded over the catalyst. The main effect of the catalyst on the bio-oil components is deoxygenating of nitrogen compounds and promotion the ketonization reaction, which converts acid to ketone and declines the corrosive nature of bio-oil.