Abstract.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 20 ml / 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 21.9 MJ / 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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