The increased generation of waste tires in recent decades has raised concerns and questions about its impact on the environment. The simple disposal is no longer admissible and the use of new processes imposes itself. The chemical recycling through the pyrolysis of the waste tires is one of these alternatives, transforming the material into gaseous, liquid and solid fractions that can be completely reused, even in the productive chain of the tires. This work evaluates the pyrolysis of rubber waste from discarded tires in the absence and presence of different catalysts and characterizes the obtanied fractions based on IR, 1 H and 13 C NMR analysis. The focus was on the liquid fraction, which by its characterization has great potential as a source of raw materials for the chemical industry or for use as fuel.
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