Pyrolytic oil production by catalytic pyrolysis of refuse-derived fuels: Investigation of low cost catalysts
2015
Whyte, Henrietta Essie | Loubar, Khaled | Awad, Sary | Tazerout, Mohand
Low cost catalytic pyrolysis options were studied by using spent and regenerated ZSM-5, RDF char and oyster shell in the pyrolysis of RDF. The pyrolysis was performed at a temperature of 500°C, sweeping gas flow rate of 20ml/min and heating rate of 10°C/min. The catalysts were effective in reducing tar yield and oxygen content and increasing the organic fraction. ZSM-5 lost some activity after one use but regeneration helped to increase its effectiveness. The catalytic bio-oil had density, heating value and viscosity comparable to the conventional diesel fuel. Gases from catalytic pyrolysis have significant heating values ranging from 17.1 to 21.9MJ/m³ but the use of the catalyst led to an increasing production of CO2. Catalyst use did not alter significantly the characteristics of the solid residue.
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